Gibraltar Industries
ROCK
254 hedge funds and large institutions have $1.47B invested in Gibraltar Industries in 2025 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 75 increasing their positions, 114 reducing their positions, and 42 closing their positions.
0.59% less ownership
Funds ownership: 101.37% → 100.78% (-0.59%)
5% less funds holding
Funds holding: 266 → 254 (-12)
17% less first-time investments, than exits
New positions opened: 35 | Existing positions closed: 42
22% less capital invested
Capital invested by funds: $1.88B → $1.47B (-$407M)
34% less repeat investments, than reductions
Existing positions increased: 75 | Existing positions reduced: 114
99% less call options, than puts
Call options by funds: $15K | Put options by funds: $2.23M
100% less funds holding in top 10
Funds holding in top 10: 2 → 0 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$67.5M |
| 2 |
Boston Partners
Boston,
Massachusetts
|
+$51.5M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$33.3M |
| 4 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$9.87M |
| 5 |
Jane Street
New York
|
+$5.45M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SAM
Silvercrest Asset Management
New York
|
-$38.1M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$26.2M |
| 3 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$17.3M |
| 4 |
BlackRock
New York
|
-$15M |
| 5 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$12.6M |
ROCK Hedge Fund Activity: Q4 2025 in Review
254 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Gibraltar Industries (ROCK) for Q4 2025, worth a combined $1.47B — down 22% from $1.88B a quarter earlier.
Sellers outnumbered buyers: 42 funds closed out of ROCK and 35 opened new positions — a net loss of 7 holders — while 114 trimmed existing stakes and 75 added.
The largest buyer was AllianceBernstein, adding an estimated $67.5M. The largest seller was Silvercrest Asset Management, cutting an estimated $38.1M.
- 254 institutional investors held Gibraltar Industries (ROCK) as of Q4 2025, down from 266 in Q3 2025.
- Funds reported $1.47B of Gibraltar Industries stock for Q4 2025, down 22% quarter-over-quarter.
- 35 funds opened new Gibraltar Industries positions in Q4 2025 and 42 closed out, a net change of -7 holders.
- The largest Gibraltar Industries buyer in Q4 2025 was AllianceBernstein, an estimated $67.5M added.
- The largest Gibraltar Industries seller in Q4 2025 was Silvercrest Asset Management, an estimated $38.1M sold.
Based on aggregated 13F filings for Q4 2025.