ROCK GIBRALTAR INDUSTRIES, INC.: institutional ownership and insider trading
272 funds reported holding $1.57B of GIBRALTAR INDUSTRIES, INC. in their latest 13F filings; in Q2 2026 funds net bought $8.22M, with 50 new positions and 33 funds selling out; over the last 12 months insiders bought $1.60M and sold $0 on the open market; over its last four quarters it reported revenue of $1.45B and net income of −$151M.
ROCK revenue and earnings
- Quarter ended Jun 30, 2026: revenue $510M, net income $8.19M, EPS 0.28
- Quarter ended Mar 31, 2026: revenue $356M, net income −$67.5M, EPS -2.26
- Quarter ended Dec 31, 2025: revenue $269M, net income −$2.45M, EPS -0.06
- Quarter ended Sep 30, 2025: revenue $311M, net income −$89.1M, EPS -2.98
Famous investors holding ROCK
- D. E. Shaw (D. E. Shaw & Co.): $10.1M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $9.10M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $3.01M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $2.55M, 0.0% of the portfolio
Largest institutional holders of ROCK
- BlackRock, Inc. (BLK) — $222M
- FMR LLC — $201M
- VANGUARD GROUP INC — $142M
- ALLIANCEBERNSTEIN L.P. — $89.0M
- DIMENSIONAL FUND ADVISORS LP — $67.6M
- VANGUARD CAPITAL MANAGEMENT LLC — $60.1M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $58.2M
- STATE STREET CORP (STT, STT-PG) — $55.4M
- BARROW HANLEY MEWHINNEY & STRAUSS LLC — $44.4M
- FRONTIER CAPITAL MANAGEMENT CO LLC — $37.4M
Recent ROCK insider trades
- May 26, 2026: Bosway William T bought 19,735 shares ($739K)
- May 21, 2026: Bolanowski Katherine bought 1,400 shares ($49.9K)
- May 20, 2026: Lovechio Joseph A bought 1,000 shares ($34.6K)
- Mar 13, 2026: Bosway William T bought 1,000 shares ($41.4K)
5%+ owners
- FMR LLC: 15.0% (Schedule 13G/A, filed May 6, 2026)
- AllianceBernstein L.P.: 7.4% (Schedule 13G/A, filed May 18, 2026)
- Vanguard Capital Management: 5.2% (Schedule 13G, filed Apr 29, 2026)
Who owns the most ROCK stock?
The largest institutional holders of GIBRALTAR INDUSTRIES, INC. in the latest 13F filings are BlackRock, Inc. (BLK) ($222M), FMR LLC ($201M), VANGUARD GROUP INC ($142M).
Are insiders buying or selling ROCK?
Over the last 12 months insiders bought $1.60M and sold $0 of GIBRALTAR INDUSTRIES, INC. stock on the open market (SEC Form 4).
Which famous investors own ROCK?
D. E. Shaw, Ken Griffin, Renaissance Technologies, Izzy Englander.
What was ROCK's revenue last quarter?
GIBRALTAR INDUSTRIES, INC. reported revenue of $510M for the quarter ended June 30, 2026, with net income of $8.19M.
Which ETFs hold ROCK?
30 ETFs and mutual funds hold it among their top 100 positions, including PAVE, ABASX, FSCRX, FJACX.