Ticker · CUSIP 313855108

FSS

FEDERAL SIGNAL CORP

Industrials·Pollution & Treatment Controls

···Share

Holders (tracked)

Combined shares

3,170,746

Combined value

$344.31M

Last close

$114.24

Quarter

2025Q4

Price is +5.2% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$114.24+39.53 (+52.92%)H $129.41 · L $72.32 · Avg Vol 518K

Congress buy

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

24 events

Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+321,830 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) trimmed2026-02-17
−12,090 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−18,653 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−14,594 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−82,869 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−90,649 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+64,794 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+214,319 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) added2026-02-13
+7,814 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+33,104 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+904,842 shares · 2025Q4
Position
Mario Gabelli (GAMCO) trimmed2026-02-05
−3,405 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−88,438 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+140,014 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+9,017 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) trimmed2025-11-14
−486,065 shares · 2025Q3
Position
Steve Cohen (Point72) exited2025-11-14
−109,394 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+33,162 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+2,880 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) opened position2025-11-13
+34,055 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+19,900 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−743,890 shares · 2025Q3
Position
Mario Gabelli (GAMCO) trimmed2025-11-12
−22,039 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−120,773 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for FSS →

Follow-the-investor returns

If you'd copied each holder of FSS…

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
Mario Gabelli (GAMCO)	2016Q1	$13.58	+741.2%	$38.8M
T. Rowe Price	2016Q1	$57.51	+98.7%	$108.0M
Steve Cohen (Point72)	2019Q2	$73.57	+55.3%	$7.4M
AQR Capital Management	2016Q1	$81.94	+39.4%	$3.4M
Izzy Englander (Millennium Mgmt)	2016Q1	$86.24	+32.5%	$9.2M
Two Sigma Investments	2016Q1	$89.21	+28.1%	$18.7M
Renaissance Technologies	2016Q1	$92.46	+23.6%	$12.9M
Paul Tudor Jones (Tudor Investment)	2016Q1	$100.41	+13.8%	$36.8M
Ken Griffin (Citadel Advisors)	2016Q3	$109.20	+4.6%	$251K
Ken Griffin (Citadel Advisors)	2016Q3	$109.20	+4.6%	$251K
Ken Griffin (Citadel Advisors)	2016Q3	$109.20	+4.6%	$251K
D.E. Shaw & Co.	2016Q1	$115.40	-1.0%	$15.1M
Ray Dalio (Bridgewater Associates)	2025Q3	$117.05	-2.4%	$4.8M
Norges Bank (Norway SWF)	2016Q1	$3255.80	-96.5%	$103.4M

Who moved on this name in 2025Q4

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

New positions3

Norges Bank (Norway SWF)
+904,842
$98.3M
Paul Tudor Jones (Tudor Investment)
+321,830
$34.9M
Steve Cohen (Point72)
+64,794
$7.0M

Added to3

Renaissance Technologies
+33,104
$3.6M
Ray Dalio (Bridgewater Associates)
+7,814
$849K
T. Rowe Price
+214,319
$23K

Trimmed6

Izzy Englander (Millennium Mgmt)
−90,649
$9.8M
Two Sigma Investments
−82,869
$9.0M
D.E. Shaw & Co.
−18,653
$2.0M
AQR Capital Management
−14,594
$1.6M
Ken Griffin (Citadel Advisors)
−12,090
$1.3M
Mario Gabelli (GAMCO)
−3,405
$370K

Exited0

—

Institutional ownership over time

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

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	10	14,067,374	$27.31B	—
2022Q2	10	13,331,723	$20.25B	—
2022Q3	8	10,937,724	$408.2M	-2
2022Q4	10	11,157,190	$518.5M	+2
2023Q1	11	11,332,561	$614.3M	+1
2023Q2	10	11,139,796	$713.3M	-1
2023Q3	11	11,193,508	$668.6M	+1
2023Q4	9	11,388,461	$874.0M	-2
2024Q1	12	11,639,804	$987.9M	+3
2024Q2	13	12,113,472	$1.01B	+1
2024Q3	13	2,458,144	$229.7M	—
2024Q4	12	2,576,996	$238.1M	-1
2025Q1	12	2,379,974	$175.0M	—
2025Q2	13	3,081,390	$327.9M	+1
2025Q3	11	1,845,903	$219.6M	-2
2025Q4	14	3,170,746	$344.3M	+3

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2026-03-09	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗
2026-03-02	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗
2026-02-26	Josh Gottheimer	Buy	$1K – $15K	PDF ↗

Who owns FSS

14 super-investors · 2025Q4

Tracked stake

3.17M

Combined value

$344M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added3Trim8

#	Manager	Shares	Value	% of book	Last action
1	T. Rowe Price	945.2K	$103M	0.0%	Added+214.3K
2	Norges Bank Norway SWF	904.8K	$98M	0.0%	New+904.8K
3	Mario Gabelli GAMCO	339.4K	$37M	0.4%	Trim−3.4K
4	Paul Tudor Jones Tudor Investment	321.8K	$35M	0.1%	New+321.8K
5	Two Sigma Investments	163.5K	$18M	0.0%	Trim−82.9K
6	D.E. Shaw & Co.	131.8K	$14M	0.0%	Trim−18.7K
7	Renaissance Technologies	112.6K	$12M	0.0%	Added+33.1K
8	Izzy Englander Millennium Mgmt	80.3K	$9M	0.0%	Trim−90.6K
9	Steve Cohen Point72	64.8K	$7M	0.0%	New+64.8K
10	Ray Dalio Bridgewater Associates	41.9K	$5M	0.0%	Added+7.8K
11	Ken Griffin Citadel Advisors	30.6K	$3M	0.0%	Trim−12.1K
12	AQR Capital Management	30.0K	$3M	0.0%	Trim−14.6K
13	Ken Griffin Citadel Advisors	2.2K	$239K	0.0%	Trim−12.1K
14	Ken Griffin Citadel Advisors	1.9K	$206K	0.0%	Trim−12.1K

Recent moves

20 transactions

TRIMKen Griffin (Citadel Advisors)
−12,090 · 2025Q4
TRIMD.E. Shaw & Co.
−18,653 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+321,830 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−90,649 · 2025Q4
NEWSteve Cohen (Point72)
+64,794 · 2025Q4
ADDT. Rowe Price
+214,319 · 2025Q4
TRIMAQR Capital Management
−14,594 · 2025Q4
TRIMTwo Sigma Investments
−82,869 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+7,814 · 2025Q4
ADDRenaissance Technologies
+33,104 · 2025Q4
NEWNorges Bank (Norway SWF)
+904,842 · 2025Q4
TRIMMario Gabelli (GAMCO)
−3,405 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−88,438 · 2025Q3
TRIMIzzy Englander (Millennium Mgmt)
−486,065 · 2025Q3
SOLDSteve Cohen (Point72)
−109,394 · 2025Q3
ADDTwo Sigma Investments
+33,162 · 2025Q3
ADDD.E. Shaw & Co.
+140,014 · 2025Q3
ADDT. Rowe Price
+2,880 · 2025Q3
ADDAQR Capital Management
+9,017 · 2025Q3
SOLDNorges Bank (Norway SWF)
−743,890 · 2025Q3

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