Gibraltar Industries
ROCK
271 hedge funds and large institutions have $1.75B invested in Gibraltar Industries in 2025 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 114 increasing their positions, 89 reducing their positions, and 44 closing their positions.
28% more repeat investments, than reductions
Existing positions increased: 114 | Existing positions reduced: 89
2.17% more ownership
Funds ownership: 98.39% → 100.55% (+2.2%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0% less capital invested
Capital invested by funds: $1.76B → $1.75B (-$8.72M)
4% less funds holding
Funds holding: 283 → 271 (-12)
20% less first-time investments, than exits
New positions opened: 35 | Existing positions closed: 44
81% less call options, than puts
Call options by funds: $1.32M | Put options by funds: $6.83M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$29.3M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$15.7M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$11M |
| 4 |
Mirae Asset Global ETFs Holdings
Causeway Bay,
Hong Kong
|
+$10.9M |
| 5 |
D.E. Shaw & Co
New York
|
+$10M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Pacer Advisors
Malvern,
Pennsylvania
|
-$34.1M |
| 2 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
-$24.3M |
| 3 |
Janus Henderson Group
London,
United Kingdom
|
-$18.3M |
| 4 |
BlackRock
New York
|
-$16.3M |
| 5 |
Bank of New York Mellon
New York
|
-$8.82M |
ROCK Hedge Fund Activity: Q1 2025 in Review
271 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Gibraltar Industries (ROCK) for Q1 2025, worth a combined $1.75B — down 0.5% from $1.76B a quarter earlier.
Sellers outnumbered buyers: 44 funds closed out of ROCK and 35 opened new positions — a net loss of 9 holders — while 89 trimmed existing stakes and 114 added.
The largest buyer was Wellington Management Group, adding an estimated $29.3M. The largest seller was Pacer Advisors, cutting an estimated $34.1M.
- 271 institutional investors held Gibraltar Industries (ROCK) as of Q1 2025, down from 283 in Q4 2024.
- Funds reported $1.75B of Gibraltar Industries stock for Q1 2025, down 0.5% quarter-over-quarter.
- 35 funds opened new Gibraltar Industries positions in Q1 2025 and 44 closed out, a net change of -9 holders.
- The largest Gibraltar Industries buyer in Q1 2025 was Wellington Management Group, an estimated $29.3M added.
- The largest Gibraltar Industries seller in Q1 2025 was Pacer Advisors, an estimated $34.1M sold.
Based on aggregated 13F filings for Q1 2025.