BLAIR WILLIAM & CO/IL

Position in FSS — Federal Signal Corp /De/

CIK 902367 CHICAGO, IL

Position in FSS

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$4,634,772

-$310,633 QoQ

Shares Held

42,859

-5.9% QoQ

Ownership

0.070%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

Voting authority Sole 98.1987447210621.ToString("F0")% Shared 0.ToString("F0")% None 1.8012552789379126.ToString("F0")%

Industrials · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $194,114,664 across 7 Farm & Heavy Construction Machinery names. FSS ranks #4 (2.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CAT	Caterpillar Inc	118,501	$83,953,218
2	DE	Deere & Co	147,623	$83,156,035
3	BLBD	Blue Bird Corp	320,736	$18,214,597
4	FSS	Federal Signal Corp /De/ This page	42,859	$4,634,772
5	PCAR	Paccar Inc	21,265	$2,456,107
6	OSK	Oshkosh Corp	8,960	$1,319,001
7	TWI	Titan International Inc	55,128	$380,934

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,634,772	42,859	-5.9%	Shares	Sole	2026-05-08
2025-12-31	$4,945,405	45,542	-5.8%	Shares	Sole	2026-02-17
2025-09-30	$5,752,333	48,343	+19.8%	Shares	Sole	2025-11-12
2025-06-30	$4,294,579	40,355	+35.1%	Shares	Sole	2025-07-24
2025-03-31	$2,197,453	29,877	-20.7%	Shares	Sole	2025-05-09
2024-12-31	$3,479,776	37,664	+145.8%	Shares	Sole	2025-02-12
2024-09-30	$1,432,181	15,324	+5.2%	Shares	Sole	2024-11-12
2024-06-30	$1,218,402	14,562	+434.0%	Shares	Sole	2024-08-12
2024-03-31	$231,440	2,727	0.0%	Shares	Sole	2024-05-09
2023-12-31	$209,269	2,727	—	Shares	Sole	2024-02-12
No filing history on record for this holder in this stock.