Illinois Municipal Retirement Fund

Pension

Position in ROCK — Gibraltar Industries, Inc.

CIK 1541910 OAK BROOK, IL

Position in ROCK

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$733,461

+$84,139 QoQ

Shares Held

16,263

-0.1% QoQ

Ownership

0.055%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#106

of 243 holders

Holding Since

Sep 2023

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

Illinois Municipal Retirement Fund holds $49,410,828 across 15 Building Products & Equipment names. ROCK ranks #13 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TT	Trane Technologies plc	27,377	$13,446,487
2	AWI	Armstrong World Industries Inc	48,933	$7,849,831
3	BLDR	Builders FirstSource, Inc.	77,729	$6,955,190
4	MAS	Masco Corp /De/	69,996	$5,695,574
5	JCI	Johnson Controls International plc	25,574	$3,736,617
6	LII	Lennox International Inc	3,492	$2,000,741
7	GFF	Griffon Corp	20,039	$1,954,403
8	WMS	Advanced Drainage Systems, Inc.	9,734	$1,527,848

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$733,461	16,263	-0.1%	Shares	Sole	2026-08-12
2026-03-31	$649,322	16,286	+2.4%	Shares	Sole	2026-05-05
2025-12-31	$786,046	15,899	-0.3%	Shares	Sole	2026-02-11
2025-09-30	$1,001,785	15,952	-1.9%	Shares	Sole	2025-11-06
2025-06-30	$959,635	16,265	+4.1%	Shares	Sole	2025-08-07
2025-03-31	$916,914	15,631	-7.3%	Shares	Sole	2025-04-24
2024-12-31	$993,701	16,871	+1.4%	Shares	Sole	2025-02-04
2024-09-30	$1,163,215	16,634	-5.7%	Shares	Sole	2024-11-04
2024-06-30	$1,208,947	17,636	-0.8%	Shares	Sole	2024-08-05
2024-03-31	$1,432,387	17,787	+3.2%	Shares	Sole	2024-05-07
2023-12-31	$1,361,536	17,239	-6.1%	Shares	Sole	2024-02-01
2023-09-30	$1,239,618	18,362	—	Shares	Sole	2023-11-06
No filing history on record for this holder in this stock.