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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
RhumbLine Advisers
51
RhumbLine Advisers
Massachusetts
$5.83M -$87.5K -1,399 -1%
GI
52
GAMCO Investors
Connecticut
$5.74M -$68.8K -1,100 -1%
Arrowstreet Capital
53
Arrowstreet Capital
Massachusetts
$5.13M -$20.8M -332,411 -80%
CA
54
CSM Advisors
Pennsylvania
$5.03M +$5.01M +80,094 New
Legal & General Group
55
Legal & General Group
United Kingdom
$4.88M -$208K -3,327 -4%
BNP Paribas Financial Markets
56
BNP Paribas Financial Markets
France
$4.65M +$1.07M +17,059 +30%
Teacher Retirement System of Texas
57
Teacher Retirement System of Texas
Texas
$4.62M +$3.43M +54,895 +295%
Citigroup
58
Citigroup
New York
$4.43M +$973K +15,555 +28%
Barclays
59
Barclays
United Kingdom
$4.36M -$940K -15,032 -18%
VanEck Associates
60
VanEck Associates
New York
$4.25M +$844K +13,493 +25%
CP
61
Clayton Partners
California
$4.18M +$4.17M +66,589 New
BL
62
BFSG LLC
California
$4.13M +$84K +1,342 +2%
UBS AM
63
UBS AM
Illinois
$3.88M -$3.98M -63,555 -51%
Swiss National Bank
64
Swiss National Bank
Switzerland
$3.59M +$31.3K +500 +0.9%
SDIC
65
South Dakota Investment Council
South Dakota
$3.53M -$263K -4,200 -7%
PFC
66
Phocas Financial Corp
California
$3.52M +$84.7K +1,354 +2%
WCM
67
Wedge Capital Management
North Carolina
$3.51M -$128K -2,044 -4%
TA
68
Teton Advisors
New York
$3.42M -$93.8K -1,500 -3%
Lazard Asset Management
69
Lazard Asset Management
New York
$3.39M +$2.54M +40,574 +304%
American Century Companies
70
American Century Companies
Missouri
$2.9M -$582K -9,295 -17%
First Trust Advisors
71
First Trust Advisors
Illinois
$2.81M +$45.5K +727 +2%
New York State Teachers Retirement System (NYSTRS)
72
New York State Teachers Retirement System (NYSTRS)
New York
$2.68M -$50K -800 -2%
Deutsche Bank
73
Deutsche Bank
Germany
$2.65M +$169K +2,705 +7%
SEI Investments
74
SEI Investments
Pennsylvania
$2.51M -$22.2K -355 -0.9%
SCP
75
Seizert Capital Partners
Michigan
$2.43M -$45.2K -722 -2%
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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.