⌘K

ROCK Institutional Ownership & 13F Holders | SmartMoneyDB

ROCKGIBRALTAR INDS INC

COM · CUSIP 374689107

Smart Money Ownership

Of the 9 tracked institutions holding ROCK, 4 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +4.9pt. It's a gauge of who owns the name, not just how many.

PRICE T ROWE ASSOCIATES INC /MD/

ROCK (GIBRALTAR INDS INC) Institutional Ownership Summary

Among the 9 tracked institutional investors we monitor, ROCK (GIBRALTAR INDS INC) is held with a combined value of $584.38M across 13,969,855 shares. The largest holder is BlackRock, Inc. with a position worth $201.30M. 6 funds increased their holdings. 3 funds reduced their position.

Total Institutional Value

$584.38M

Total Shares Held

13,969,855

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

FMR LLC+20% shares~$29.3M BlackRock, Inc.+2% shares~$3.2M AQR CAPITAL MANAGEMENT LLC+157% shares~$2.3M CITADEL ADVISORS LLC+27% shares~$1.0M PRICE T ROWE ASSOCIATES INC /MD/+23% shares~$316.2K

13F Institutional Holders

Sort

AQR CAPITAL MANAGEMENT LLC

0.00% of book+156.6%

$3.83M

PRICE T ROWE ASSOCIATES INC /MD/

0.00% of book+22.9%

$1.70M

RENAISSANCE TECHNOLOGIES LLC

0.00% of book-60.4%

$617.99K

Bridgewater Associates, LP

0.00% of book+14.2%

$281.00K

#	Fund	Value↓	Shares	Portfolio %	Change
1	BlackRock, Inc.	$201.30M	5,048,987	0.00%	+1.6%
2	FMR LLC	$176.71M	4,432,059	0.01%	+19.9%
3	VANGUARD GROUP INC	$141.58M	2,863,575	0.00%	-1.3%
4	STATE STREET CORP	$53.65M	1,345,665	0.00%	-1.3%
5	CITADEL ADVISORS LLC	$4.72M	118,449	0.00%	+26.9%
6	AQR CAPITAL MANAGEMENT LLC	$3.83M	96,033	0.00%	+156.6%
7	PRICE T ROWE ASSOCIATES INC /MD/	$1.70M	42,539	0.00%	+22.9%
8	RENAISSANCE TECHNOLOGIES LLC	$617.99K	15,500	0.00%	-60.4%
9	Bridgewater Associates, LP	$281.00K	7,048	0.00%	+14.2%

Frequently Asked Questions

Which institutional investors own the most ROCK stock?

As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of ROCK with a position worth $201.30M, representing 0.00% of their portfolio. In total, 9 institutional investors hold ROCK with a combined value of $584.38M.

What percentage of ROCK is owned by institutional investors?

Institutional investors hold $584.38M worth of ROCK stock across 9 positions. The largest institutional holder is BlackRock, Inc. with $201.30M in holdings.

What is a 13F filing and why does it matter for ROCK?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ROCK, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track ROCK institutional moves

Get notified when hedge funds change their ROCK positions.