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Research firm

Jefferies

112 analysts asked questions on tracked earnings calls, covering 387 companies across 11 sectors.

Period: Reporting periods mapped to calendar 2024 Q3 – 2026 Q3 (9 quarters).

Questions
2,421on tracked calls
Challenge rate
7%171 of 2,421 questions
Analysts
112with at least one question
Companies
387questioned at least once

These figures cover the whole profile: every tracked question, all reporting periods.

How to read these numbers

Challenge rate is the share of questions that pushed back, pressed for specifics or questioned management’s assumptions. It describes how questions were asked on the calls tracked here; it does not measure whether any view turned out to be right.

Rounding. Rates are rounded to whole percentages, so a small share can show as 0% even when some questions were challenging. The count beside each rate is exact; “none of N questions” means no question was challenging.

No questions recorded. “—” means there is nothing to calculate: no questions were recorded for that period on the calls tracked here. It does not mean there was no activity.

Small samples. Profiles with fewer than 10 questions are marked Limited sample.

Reporting periods. Questions are grouped by the calendar quarter each company’s fiscal reporting period maps to, not by the date of the call. Periods without a calendar mapping are listed separately under their fiscal label.

Analysts

Most questions first. Each challenge rate shows the exact count behind it.

AnalystCompaniesQuestionsChallenge rate
Julien Dumoulin-Smith332724%12 of 272 questions
Dan Fannon171274%5 of 127 questions
Sheila Kahyaoglu1512313%16 of 123 questions
Steve Volkmann17927%6 of 92 questions
Philip Ng9896%5 of 89 questions
Tycho Peterson108714%12 of 87 questions
Brent Thill158023%18 of 80 questions
Paul Zimbardo13803%2 of 80 questions
Suneet Kamath67927%21 of 79 questions
Dave Katz11761%1 of 76 questions
Show all 112 analysts
AnalystCompaniesQuestionsChallenge rate
Blayne Curtis16758%6 of 75 questions
Andrew Andersen12703%2 of 70 questions
Kaumil Gajrawala116219%12 of 62 questions
Dave Windley105910%6 of 59 questions
Bret Jordan5583%2 of 58 questions
Surinder Thind11557%4 of 55 questions
Matt Taylor13544%2 of 54 questions
Stephanie Moore11510%none of 51 questions
Scott Marks8480%none of 48 questions
Linda Tsai13462%1 of 46 questions
Samad Samana5427%3 of 42 questions
Laurence Alexander104212%5 of 42 questions
David Chiaverini12373%1 of 37 questions
John Colantuoni7333%1 of 33 questions
Corey Tarlowe7323%1 of 32 questions
Akash Tewari73228%9 of 32 questions
Saree Boroditsky72811%3 of 28 questions
John Hecht4284%1 of 28 questions
Joe Gallo5260%none of 26 questions
James Heaney7250%none of 25 questions
Jonathan Matuszewski5244%1 of 24 questions
Trevor Williams6205%1 of 20 questions
Brian Tanquilut4200%none of 20 questions
Brian Russo4140%none of 14 questions
Greg Konrad1140%none of 14 questions
Kylie Cohu1128%1 of 12 questions
Lloyd Byrne3110%none of 11 questions
Young Li2110%none of 11 questions
John Byun3110%none of 11 questions
Andy Barish51010%1 of 10 questions
Alex Slagle21010%1 of 10 questions
Charlie Rodgers1100%none of 10 questions
Kevin Garrigan3100%none of 10 questions
Jon PetersenLimited sample490%none of 9 questions
Chris LaFeminaLimited sample3933%3 of 9 questions
Harold AntorLimited sample490%none of 9 questions
John DuniganLimited sample2911%1 of 9 questions
Alejandro DemichelisLimited sample180%none of 8 questions
Dushyant AilaniLimited sample380%none of 8 questions
Ezra WeenerLimited sample280%none of 8 questions
Joe HaflingLimited sample5813%1 of 8 questions
Tom ChongLimited sample270%none of 7 questions
Fahad TariqLimited sample170%none of 7 questions
Spark LiLimited sample360%none of 6 questions
Ed AlterLimited sample160%none of 6 questions
Rob MoscaLimited sample260%none of 6 questions
Blake AndersonLimited sample260%none of 6 questions
Jesse BaroneLimited sample260%none of 6 questions
Dan RizzoLimited sample550%none of 5 questions
Tanner JamesLimited sample250%none of 5 questions
Ramoun LazarLimited sample150%none of 5 questions
Margaret GradyLimited sample1520%1 of 5 questions
Noah KavaLimited sample150%none of 5 questions
Francis ByrneLimited sample240%none of 4 questions
James WardLimited sample240%none of 4 questions
Andrei Andon-IonitaLimited sample240%none of 4 questions
Sydney WagnerLimited sample140%none of 4 questions
Jack SlevinLimited sample240%none of 4 questions
Jack MelickLimited sample240%none of 4 questions
Jae KoLimited sample140%none of 4 questions
Unknown AnalystLimited sample340%none of 4 questions
Maury RaycroftLimited sample140%none of 4 questions
Glen SantangeloLimited sample230%none of 3 questions
Patrick BuckleyLimited sample130%none of 3 questions
Tucker RemmersLimited sample230%none of 3 questions
Michael SarconeLimited sample230%none of 3 questions
Faisal KhursheedLimited sample230%none of 3 questions
Bo YinLimited sample220%none of 2 questions
Jim ThalackerLimited sample220%none of 2 questions
Albert BelliniLimited sample120%none of 2 questions
Will ClarkeLimited sample120%none of 2 questions
Jamieson WardLimited sample120%none of 2 questions
Keith DavisLimited sample2250%1 of 2 questions
Sara BorodinskiLimited sample120%none of 2 questions
John PetersonLimited sample120%none of 2 questions
Andy TsaiLimited sample120%none of 2 questions
Dennis DingLimited sample1250%1 of 2 questions
Andres PadillaLimited sample120%none of 2 questions
Cassidy EppsLimited sample120%none of 2 questions
Peter SullvianLimited sample120%none of 2 questions
Tony BerniLimited sample110%none of 1 question
Ashley HelgansLimited sample110%none of 1 question
Adam SamuelsonLimited sample110%none of 1 question
Kevin AstokLimited sample110%none of 1 question
Randal KonikLimited sample110%none of 1 question
Dingding ShiLimited sample110%none of 1 question
Yuxi DongLimited sample110%none of 1 question
Kevin EspeckLimited sample110%none of 1 question
Brooks DuttonLimited sample110%none of 1 question
Ivana ErgovicLimited sample110%none of 1 question
Brian ViolinoLimited sample110%none of 1 question
Chuck MacDonaldLimited sample110%none of 1 question
Clara Shi)Limited sample110%none of 1 question
Craig ConradLimited sample110%none of 1 question
Phillip DantoinLimited sample11100%1 of 1 question
Chirag PatelLimited sample110%none of 1 question
Meghan HoltzLimited sample110%none of 1 question
Kelly ShiLimited sample110%none of 1 question
Yongle LeeLimited sample110%none of 1 question
Alex MulanLimited sample110%none of 1 question
Philippe HouchoisLimited sample110%none of 1 question
Ivan YuLimited sample110%none of 1 question
  • Blayne Curtis
    16 companies · 75 questions
    8%6 of 75 questions
  • Andrew Andersen
    12 companies · 70 questions
    3%2 of 70 questions
  • Kaumil Gajrawala
    11 companies · 62 questions
    19%12 of 62 questions
  • Dave Windley
    10 companies · 59 questions
    10%6 of 59 questions
  • Bret Jordan
    5 companies · 58 questions
    3%2 of 58 questions
  • Surinder Thind
    11 companies · 55 questions
    7%4 of 55 questions
  • Matt Taylor
    13 companies · 54 questions
    4%2 of 54 questions
  • Stephanie Moore
    11 companies · 51 questions
    0%none of 51 questions
  • Scott Marks
    8 companies · 48 questions
    0%none of 48 questions
  • Linda Tsai
    13 companies · 46 questions
    2%1 of 46 questions
  • Samad Samana
    5 companies · 42 questions
    7%3 of 42 questions
  • Laurence Alexander
    10 companies · 42 questions
    12%5 of 42 questions
  • David Chiaverini
    12 companies · 37 questions
    3%1 of 37 questions
  • John Colantuoni
    7 companies · 33 questions
    3%1 of 33 questions
  • Corey Tarlowe
    7 companies · 32 questions
    3%1 of 32 questions
  • Akash Tewari
    7 companies · 32 questions
    28%9 of 32 questions
  • Saree Boroditsky
    7 companies · 28 questions
    11%3 of 28 questions
  • John Hecht
    4 companies · 28 questions
    4%1 of 28 questions
  • Joe Gallo
    5 companies · 26 questions
    0%none of 26 questions
  • James Heaney
    7 companies · 25 questions
    0%none of 25 questions
  • Jonathan Matuszewski
    5 companies · 24 questions
    4%1 of 24 questions
  • Trevor Williams
    6 companies · 20 questions
    5%1 of 20 questions
  • Brian Tanquilut
    4 companies · 20 questions
    0%none of 20 questions
  • Brian Russo
    4 companies · 14 questions
    0%none of 14 questions
  • Greg Konrad
    1 company · 14 questions
    0%none of 14 questions
  • Kylie Cohu
    1 company · 12 questions
    8%1 of 12 questions
  • Lloyd Byrne
    3 companies · 11 questions
    0%none of 11 questions
  • Young Li
    2 companies · 11 questions
    0%none of 11 questions
  • John Byun
    3 companies · 11 questions
    0%none of 11 questions
  • Andy Barish
    5 companies · 10 questions
    10%1 of 10 questions
  • Alex Slagle
    2 companies · 10 questions
    10%1 of 10 questions
  • Charlie Rodgers
    1 company · 10 questions
    0%none of 10 questions
  • Kevin Garrigan
    3 companies · 10 questions
    0%none of 10 questions
  • Jon PetersenLimited sample
    4 companies · 9 questions
    0%none of 9 questions
  • Chris LaFeminaLimited sample
    3 companies · 9 questions
    33%3 of 9 questions
  • Harold AntorLimited sample
    4 companies · 9 questions
    0%none of 9 questions
  • John DuniganLimited sample
    2 companies · 9 questions
    11%1 of 9 questions
  • Alejandro DemichelisLimited sample
    1 company · 8 questions
    0%none of 8 questions
  • Dushyant AilaniLimited sample
    3 companies · 8 questions
    0%none of 8 questions
  • Ezra WeenerLimited sample
    2 companies · 8 questions
    0%none of 8 questions
  • Joe HaflingLimited sample
    5 companies · 8 questions
    13%1 of 8 questions
  • Tom ChongLimited sample
    2 companies · 7 questions
    0%none of 7 questions
  • Fahad TariqLimited sample
    1 company · 7 questions
    0%none of 7 questions
  • Spark LiLimited sample
    3 companies · 6 questions
    0%none of 6 questions
  • Ed AlterLimited sample
    1 company · 6 questions
    0%none of 6 questions
  • Rob MoscaLimited sample
    2 companies · 6 questions
    0%none of 6 questions
  • Blake AndersonLimited sample
    2 companies · 6 questions
    0%none of 6 questions
  • Jesse BaroneLimited sample
    2 companies · 6 questions
    0%none of 6 questions
  • Dan RizzoLimited sample
    5 companies · 5 questions
    0%none of 5 questions
  • Tanner JamesLimited sample
    2 companies · 5 questions
    0%none of 5 questions
  • Ramoun LazarLimited sample
    1 company · 5 questions
    0%none of 5 questions
  • Margaret GradyLimited sample
    1 company · 5 questions
    20%1 of 5 questions
  • Noah KavaLimited sample
    1 company · 5 questions
    0%none of 5 questions
  • Francis ByrneLimited sample
    2 companies · 4 questions
    0%none of 4 questions
  • James WardLimited sample
    2 companies · 4 questions
    0%none of 4 questions
  • Andrei Andon-IonitaLimited sample
    2 companies · 4 questions
    0%none of 4 questions
  • Sydney WagnerLimited sample
    1 company · 4 questions
    0%none of 4 questions
  • Jack SlevinLimited sample
    2 companies · 4 questions
    0%none of 4 questions
  • Jack MelickLimited sample
    2 companies · 4 questions
    0%none of 4 questions
  • Jae KoLimited sample
    1 company · 4 questions
    0%none of 4 questions
  • Unknown AnalystLimited sample
    3 companies · 4 questions
    0%none of 4 questions
  • Maury RaycroftLimited sample
    1 company · 4 questions
    0%none of 4 questions
  • Glen SantangeloLimited sample
    2 companies · 3 questions
    0%none of 3 questions
  • Patrick BuckleyLimited sample
    1 company · 3 questions
    0%none of 3 questions
  • Tucker RemmersLimited sample
    2 companies · 3 questions
    0%none of 3 questions
  • Michael SarconeLimited sample
    2 companies · 3 questions
    0%none of 3 questions
  • Faisal KhursheedLimited sample
    2 companies · 3 questions
    0%none of 3 questions
  • Bo YinLimited sample
    2 companies · 2 questions
    0%none of 2 questions
  • Jim ThalackerLimited sample
    2 companies · 2 questions
    0%none of 2 questions
  • Albert BelliniLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Will ClarkeLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Jamieson WardLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Keith DavisLimited sample
    2 companies · 2 questions
    50%1 of 2 questions
  • Sara BorodinskiLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • John PetersonLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Andy TsaiLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Dennis DingLimited sample
    1 company · 2 questions
    50%1 of 2 questions
  • Andres PadillaLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Cassidy EppsLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Peter SullvianLimited sample
    1 company · 2 questions
    0%none of 2 questions
  • Tony BerniLimited sample
    1 company · 1 question
    0%none of 1 question
  • Ashley HelgansLimited sample
    1 company · 1 question
    0%none of 1 question
  • Adam SamuelsonLimited sample
    1 company · 1 question
    0%none of 1 question
  • Kevin AstokLimited sample
    1 company · 1 question
    0%none of 1 question
  • Randal KonikLimited sample
    1 company · 1 question
    0%none of 1 question
  • Dingding ShiLimited sample
    1 company · 1 question
    0%none of 1 question
  • Yuxi DongLimited sample
    1 company · 1 question
    0%none of 1 question
  • Kevin EspeckLimited sample
    1 company · 1 question
    0%none of 1 question
  • Brooks DuttonLimited sample
    1 company · 1 question
    0%none of 1 question
  • Ivana ErgovicLimited sample
    1 company · 1 question
    0%none of 1 question
  • Brian ViolinoLimited sample
    1 company · 1 question
    0%none of 1 question
  • Chuck MacDonaldLimited sample
    1 company · 1 question
    0%none of 1 question
  • Clara Shi)Limited sample
    1 company · 1 question
    0%none of 1 question
  • Craig ConradLimited sample
    1 company · 1 question
    0%none of 1 question
  • Phillip DantoinLimited sample
    1 company · 1 question
    100%1 of 1 question
  • Chirag PatelLimited sample
    1 company · 1 question
    0%none of 1 question
  • Meghan HoltzLimited sample
    1 company · 1 question
    0%none of 1 question
  • Kelly ShiLimited sample
    1 company · 1 question
    0%none of 1 question
  • Yongle LeeLimited sample
    1 company · 1 question
    0%none of 1 question
  • Alex MulanLimited sample
    1 company · 1 question
    0%none of 1 question
  • Philippe HouchoisLimited sample
    1 company · 1 question
    0%none of 1 question
  • Ivan YuLimited sample
    1 company · 1 question
    0%none of 1 question

Companies

Most questions first, counting every analyst at this firm.

Show all 387 companies

Activity by reporting period

Questions recorded for each calendar quarter that companies’ reporting periods map to (not the call date), with the challenge rate for that period. Periods inside the range with no questions are shown as “No questions recorded”.

Questions by calendar reporting period
Calendar periodQuestionsChallenge rateAnalystsCompanies
2024 Q3333%1 of 33 questions1724
2024 Q43146%20 of 314 questions57211
2025 Q13226%19 of 322 questions59225
2025 Q23328%27 of 332 questions66229
2025 Q33579%32 of 357 questions58236
2025 Q43296%21 of 329 questions59224
2026 Q13747%27 of 374 questions65243
2026 Q23207%23 of 320 questions60243
2026 Q3403%1 of 40 questions1534
  1. 2024 Q333 questions · challenge rate 3% (1 of 33 questions) · 17 analysts · 24 companies
  2. 2024 Q4314 questions · challenge rate 6% (20 of 314 questions) · 57 analysts · 211 companies
  3. 2025 Q1322 questions · challenge rate 6% (19 of 322 questions) · 59 analysts · 225 companies
  4. 2025 Q2332 questions · challenge rate 8% (27 of 332 questions) · 66 analysts · 229 companies
  5. 2025 Q3357 questions · challenge rate 9% (32 of 357 questions) · 58 analysts · 236 companies
  6. 2025 Q4329 questions · challenge rate 6% (21 of 329 questions) · 59 analysts · 224 companies
  7. 2026 Q1374 questions · challenge rate 7% (27 of 374 questions) · 65 analysts · 243 companies
  8. 2026 Q2320 questions · challenge rate 7% (23 of 320 questions) · 60 analysts · 243 companies
  9. 2026 Q340 questions · challenge rate 3% (1 of 40 questions) · 15 analysts · 34 companies

Topics and sectors

Topics tagged on this firm’s questions

  • Demand714
  • Competitive Dynamics473
  • Revenue Growth449
  • Margin367
  • Capex Investment305
  • Regulation Policy253
  • Capital Allocation233
  • Pricing233
  • Innovation & R&D201
  • Guidance Reliability191
Show all 23 topics
  • Product Launch175
  • Cost Pressure165
  • Cloud & AI164
  • M&A157
  • Geographic Expansion143
  • Supply Chain105
  • Macroeconomic101
  • Trade Tariffs92
  • Subscriber Growth52
  • Credit52
  • Labor Market27
  • Inventory22
  • Fx14

Questions by company sector

  • Industrials410
  • Financial Services377
  • Utilities355
  • Technology335
  • Healthcare308
  • Consumer Cyclical283
  • Consumer Defensive140
  • Basic Materials89
  • Real Estate70
  • Energy43
  • Communication Services11