Ticker · CUSIP 30214U102

EXPO

EXPONENT INC

Industrials·Engineering & Construction

···Share

Holders (tracked)

Combined shares

3,660,787

Combined value

$254.28M

Last close

$68.05

Quarter

2025Q4

Price is -2.0% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$68.05-8.97 (-11.64%)H $79.46 · L $64.47 · Avg Vol 409K

Congress buyCongress sell

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

26 events

Corrigan Catherine · President & CEO
2026-04-15
Sold $149.7K @ $67.70
Insider sell
Corrigan Catherine · President & CEO
2026-04-15
Sold $114.9K @ $67.70
Insider sell
Corrigan Catherine · President & CEO
2026-03-16
Sold $149.4K @ $67.49
Insider sell
Corrigan Catherine · President & CEO
2026-03-16
Sold $114.6K @ $67.49
Insider sell
Ken Griffin (Citadel Advisors) trimmed2026-02-17
−48,923 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−78,207 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+95,088 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) added2026-02-17
+5,146 shares · 2025Q4
Position
Steve Cohen (Point72) added2026-02-17
+49,428 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+4,550 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+115,000 shares · 2025Q4
Position
Ron Baron (Baron Capital / BAMCO) trimmed2026-02-17
−31,581 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+293,075 shares · 2025Q4
Position
Renaissance Technologies exited2026-02-12
−142,800 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+736,619 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−58,472 shares · 2025Q3
Position
Steve Cohen (Point72) opened position2025-11-14
+471,025 shares · 2025Q3
Position
Two Sigma Investments opened position2025-11-14
+428,616 shares · 2025Q3
Position
Ron Baron (Baron Capital / BAMCO) added2025-11-14
+1,210 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+143,406 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+72,700 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+2,520 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−105,285 shares · 2025Q3
Position
Renaissance Technologies trimmed2025-11-13
−130,300 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−585,619 shares · 2025Q3
Position
Norges Bank (Norway SWF) added2025-11-12
+10,523 shares · 2024Q3
Position

Insider activity

Last 30 days

Net (open-market)

−$264.6K

Buys

0 · $0

Sells

2 · $264.6K

Unique insiders

Date	Insider	Code	Shares	Price	Value
04-15	Corrigan Catherine President & CEO · Officer, Director	M	3,225	$25.41	$81.9K
04-15	Corrigan Catherine President & CEO · Officer, Director	S	2,212	$67.70	$149.7K
04-15	Corrigan Catherine President & CEO · Officer, Director	M	2,380	$29.05	$69.1K
04-15	Corrigan Catherine President & CEO · Officer, Director	S	1,697	$67.70	$114.9K

View full insider history for EXPO →

Follow-the-investor returns

If you'd copied each holder of EXPO…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
T. Rowe Price	2016Q1	$61.25	+11.1%	$3.2M
Ken Griffin (Citadel Advisors)	2016Q1	$69.55	-2.2%	$272K
Ken Griffin (Citadel Advisors)	2016Q1	$69.55	-2.2%	$272K
Steve Cohen (Point72)	2020Q2	$69.65	-2.3%	$35.4M
Two Sigma Investments	2016Q1	$70.03	-2.8%	$35.6M
Paul Tudor Jones (Tudor Investment)	2020Q3	$71.87	-5.3%	$6.8M
Paul Tudor Jones (Tudor Investment)	2020Q3	$71.87	-5.3%	$6.8M
AQR Capital Management	2016Q1	$72.37	-6.0%	$37.3M
D.E. Shaw & Co.	2016Q1	$77.10	-11.7%	$14.0M
Ron Baron (Baron Capital / BAMCO)	2024Q1	$79.94	-14.9%	$32.0M
Izzy Englander (Millennium Mgmt)	2016Q4	$81.03	-16.0%	$17.2M
Norges Bank (Norway SWF)	2016Q1	$2105.50	-96.8%	$50.1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions2

Norges Bank (Norway SWF)
+736,619
$51.2M
Paul Tudor Jones (Tudor Investment)
+115,000
$8.0M

Added to5

AQR Capital Management
+293,075
$20.4M
Two Sigma Investments
+95,088
$6.6M
Steve Cohen (Point72)
+49,428
$3.4M
Izzy Englander (Millennium Mgmt)
+5,146
$357K
T. Rowe Price
+4,550
$316

Trimmed3

D.E. Shaw & Co.
−78,207
$5.4M
Ken Griffin (Citadel Advisors)
−48,923
$3.4M
Ron Baron (Baron Capital / BAMCO)
−31,581
$2.2M

Exited1

Renaissance Technologies
−142,800
$9.9M

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	12	9,866,416	$47.69B	—
2022Q2	11	10,202,078	$41.35B	-1
2022Q3	13	9,532,497	$835.7M	+2
2022Q4	14	9,668,862	$958.1M	+1
2023Q1	13	8,396,111	$837.0M	-1
2023Q2	11	7,671,580	$715.9M	-2
2023Q3	12	7,086,729	$606.6M	+1
2023Q4	9	6,932,108	$610.3M	-3
2024Q1	10	7,032,029	$581.5M	+1
2024Q2	12	7,334,705	$697.7M	+2
2024Q3	11	1,207,633	$139.1M	-1
2024Q4	10	1,195,689	$106.5M	-1
2025Q1	12	1,168,390	$94.7M	+2
2025Q2	11	2,328,648	$174.0M	-1
2025Q3	10	2,662,992	$185.0M	-1
2025Q4	12	3,660,787	$254.3M	+2

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2025-09-11	Lisa McClain	Sell	$1K – $15K	PDF ↗
2025-08-13	Lisa McClain	Buy	$1K – $15K	PDF ↗

Who owns EXPO

12 super-investors · 2025Q4

Tracked stake

3.66M

Combined value

$254M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added5Trim4

#	Manager	Shares	Value	% of book	Last action
1	Norges Bank Norway SWF	736.6K	$51M	0.0%	New+736.6K
2	AQR Capital Management	547.7K	$38M	0.0%	Added+293.1K
3	Two Sigma Investments	523.7K	$36M	0.1%	Added+95.1K
4	Steve Cohen Point72	520.5K	$36M	0.0%	Added+49.4K
5	Ron Baron Baron Capital / BAMCO	470.9K	$33M	0.1%	Trim−31.6K
6	Izzy Englander Millennium Mgmt	252.1K	$18M	0.0%	Added+5.1K
7	Ken Griffin Citadel Advisors	237.1K	$16M	0.0%	Trim−48.9K
8	D.E. Shaw & Co.	205.6K	$14M	0.0%	Trim−78.2K
9	Paul Tudor Jones Tudor Investment	100.0K	$7M	0.0%	New+115.0K
10	T. Rowe Price	47.5K	$3M	0.0%	Added+4.5K
11	Paul Tudor Jones Tudor Investment	15.0K	$1M	0.0%	New+115.0K
12	Ken Griffin Citadel Advisors	4.0K	$278K	0.0%	Trim−48.9K

Recent moves

20 transactions

TRIMRon Baron (Baron Capital / BAMCO)
−31,581 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+115,000 · 2025Q4
ADDT. Rowe Price
+4,550 · 2025Q4
ADDAQR Capital Management
+293,075 · 2025Q4
ADDSteve Cohen (Point72)
+49,428 · 2025Q4
TRIMKen Griffin (Citadel Advisors)
−48,923 · 2025Q4
ADDTwo Sigma Investments
+95,088 · 2025Q4
ADDIzzy Englander (Millennium Mgmt)
+5,146 · 2025Q4
TRIMD.E. Shaw & Co.
−78,207 · 2025Q4
SOLDRenaissance Technologies
−142,800 · 2025Q4
NEWNorges Bank (Norway SWF)
+736,619 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−58,472 · 2025Q3
NEWSteve Cohen (Point72)
+471,025 · 2025Q3
ADDT. Rowe Price
+2,520 · 2025Q3
ADDRon Baron (Baron Capital / BAMCO)
+1,210 · 2025Q3
NEWTwo Sigma Investments
+428,616 · 2025Q3
ADDD.E. Shaw & Co.
+72,700 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−105,285 · 2025Q3
ADDAQR Capital Management
+143,406 · 2025Q3
SOLDNorges Bank (Norway SWF)
−585,619 · 2025Q3

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