Gibraltar Industries
ROCK
266 hedge funds and large institutions have $1.88B invested in Gibraltar Industries in 2025 Q3 according to their latest regulatory filings, with 38 funds opening new positions, 89 increasing their positions, 107 reducing their positions, and 34 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
13% more call options, than puts
Call options by funds: $1.49M | Put options by funds: $1.32M
12% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 34
7% more capital invested
Capital invested by funds: $1.75B → $1.88B (+$130M)
0.87% more ownership
Funds ownership: 100.5% → 101.37% (+0.87%)
0% more funds holding
Funds holding: 266 → 266 (0)
17% less repeat investments, than reductions
Existing positions increased: 89 | Existing positions reduced: 107
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$29.3M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$26.1M |
| 3 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$23.5M |
| 4 |
SBH
Segall Bryant & Hamill
Chicago,
Illinois
|
+$22.7M |
| 5 |
RS
Robeco Schweiz
Zurich,
Switzerland
|
+$11.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$20.8M |
| 2 |
Victory Capital Management
San Antonio,
Texas
|
-$13.1M |
| 3 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$10.7M |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
-$7.96M |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
-$7.05M |
ROCK Hedge Fund Activity: Q3 2025 in Review
266 of the 7,640 institutional investors tracked by Wall St. Rank reported a position in Gibraltar Industries (ROCK) for Q3 2025, worth a combined $1.88B — up 7.4% from $1.75B a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new ROCK positions and 34 closed out — a net gain of 4 holders — while 89 added to existing stakes and 107 trimmed.
The largest buyer was AllianceBernstein, adding an estimated $29.3M. The largest seller was Arrowstreet Capital, cutting an estimated $20.8M.
- 266 institutional investors held Gibraltar Industries (ROCK) as of Q3 2025, unchanged from Q2 2025.
- Funds reported $1.88B of Gibraltar Industries stock for Q3 2025, up 7.4% quarter-over-quarter.
- 38 funds opened new Gibraltar Industries positions in Q3 2025 and 34 closed out, a net change of +4 holders.
- The largest Gibraltar Industries buyer in Q3 2025 was AllianceBernstein, an estimated $29.3M added.
- The largest Gibraltar Industries seller in Q3 2025 was Arrowstreet Capital, an estimated $20.8M sold.
Based on aggregated 13F filings for Q3 2025.