Gibraltar Industries
ROCK
229 hedge funds and large institutions have $1.26B invested in Gibraltar Industries in 2026 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 92 increasing their positions, 68 reducing their positions, and 61 closing their positions.
147% more capital inflows, than outflows
Capital inflows: $337M | Capital outflows: $137M
35% more repeat investments, than reductions
Existing positions increased: 92 | Existing positions reduced: 68
4.34% more ownership
Funds ownership: 100.78% → 105.12% (+4.3%)
11% less funds holding
Funds holding: 256 → 229 (-27)
38% less first-time investments, than exits
New positions opened: 38 | Existing positions closed: 61
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$35.5M |
| 2 |
AllianceBernstein
Nashville,
Tennessee
|
+$23.4M |
| 3 |
First Wilshire Securities Management
Pasadena,
California
|
+$17.9M |
| 4 |
Mirae Asset Global ETFs Holdings
Causeway Bay,
Hong Kong
|
+$12.3M |
| 5 |
SG Capital Management
Chicago,
Illinois
|
+$11.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Victory Capital Management
San Antonio,
Texas
|
-$32.2M |
| 2 |
Swedbank
Stockholm,
Sweden
|
-$13.2M |
| 3 |
Boston Partners
Boston,
Massachusetts
|
-$11.5M |
| 4 |
Russell Investments Group
London,
United Kingdom
|
-$7.22M |
| 5 |
Ancora Advisors
Cleveland,
Ohio
|
-$5.93M |
ROCK Hedge Fund Activity: Q1 2026 in Review
229 of the 8,225 institutional investors tracked by Wall St. Rank reported a position in Gibraltar Industries (ROCK) for Q1 2026, worth a combined $1.26B — down 14% from $1.47B a quarter earlier.
Sellers outnumbered buyers: 61 funds closed out of ROCK and 38 opened new positions — a net loss of 23 holders — while 68 trimmed existing stakes and 92 added.
The largest buyer was Fidelity Investments, adding an estimated $35.5M. The largest seller was Victory Capital Management, cutting an estimated $32.2M.
- 229 institutional investors held Gibraltar Industries (ROCK) as of Q1 2026, down from 256 in Q4 2025.
- Funds reported $1.26B of Gibraltar Industries stock for Q1 2026, down 14% quarter-over-quarter.
- 38 funds opened new Gibraltar Industries positions in Q1 2026 and 61 closed out, a net change of -23 holders.
- The largest Gibraltar Industries buyer in Q1 2026 was Fidelity Investments, an estimated $35.5M added.
- The largest Gibraltar Industries seller in Q1 2026 was Victory Capital Management, an estimated $32.2M sold.
Based on aggregated 13F filings for Q1 2026.