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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
266
Holders Change
–
Holders Change %
0%
% of All Funds
3.49%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
38
Increased
89
Reduced
107
Closed
34
Calls
$1.49M
Puts
$1.32M
Net Calls
+$169K
Net Calls Change
-$409K

Top Buyers

1
AllianceBernstein
AllianceBernstein
Tennessee
+$29.3M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$26.1M
3
FCM
Frontier Capital Management
Massachusetts
+$23.5M
4
SBH
Segall Bryant & Hamill
Illinois
+$22.7M
5
RS
Robeco Schweiz
Switzerland
+$11.3M

Top Sellers

1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$20.8M
2
Victory Capital Management
Victory Capital Management
Texas
-$13.1M
3
Allspring Global Investments
Allspring Global Investments
North Carolina
-$10.7M
4
Geode Capital Management
Geode Capital Management
Massachusetts
-$7.96M
5
Wellington Management Group
Wellington Management Group
Massachusetts
-$7.05M
Name Holding Trade Value Shares
Change 		Change in
Stake
Los Angeles Capital Management
276
Los Angeles Capital Management
California
– -$616K -10,449 Closed
SO
277
STRS Ohio
Ohio
– -$584K -9,900 Closed
N
278
Numerai
California
– -$544K -9,226 Closed
HI
279
Horizon Investments
North Carolina
– -$481K -8,158 Closed
B
280
Bailard
California
– -$443K -7,500 Closed
AC
281
AXQ Capital
New Jersey
– -$310K -5,252 Closed
Holocene Advisors
282
Holocene Advisors
New York
– -$287K -4,856 Closed
Truist Financial
283
Truist Financial
North Carolina
– -$281K -4,766 Closed
Marshall Wace
284
Marshall Wace
United Kingdom
– -$263K -4,455 Closed
CCIA
285
Campbell & Co Investment Adviser
Maryland
– -$251K -4,262 Closed
Daiwa Securities Group
286
Daiwa Securities Group
Japan
– -$230K -3,900 Closed
CC
287
Centiva Capital
New York
– -$227K -3,843 Closed
Commonwealth Equity Services
288
Commonwealth Equity Services
Massachusetts
– -$214K -3,620 Closed
PAS
289
Point72 Asia (Singapore)
Singapore
– -$123K -2,088 Closed
QL
290
Quarry LP
New York
– -$64.7K -1,097 Closed
BTI
291
Blue Trust Inc
Georgia
– -$54.7K -927 Closed
BIG
292
Brooklyn Investment Group
New York
– -$26.4K -448 Closed
BAMF
293
BI Asset Management Fondsmaeglerselskab
Denmark
– -$21K -357 Closed
Raymond James Financial
294
Raymond James Financial
Florida
– -$14.6K -248 Closed
TPWA
295
Twin Peaks Wealth Advisors
California
– -$2.28K -37 Closed
Simplex Trading
296
Simplex Trading
Illinois
– -$1K -30 Closed
C
297
Covestor
United Kingdom
– -$125 -2 -22%
LFG
298
Larson Financial Group
Missouri
– -$59 -1 Closed
SC
299
Stephens Consulting
Michigan
– -$59 -1 Closed
CCM
300
Cloud Capital Management
Washington
– +$375 +6 New
8 9 10 11
12

ROCK Hedge Fund Activity: Q3 2025 in Review

266 of the 7,619 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.