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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
KCM
26
Kennedy Capital Management
Missouri
$13.1M -$591K -9,449 -4%
Bank of New York Mellon
27
Bank of New York Mellon
New York
$12.5M -$232K -3,704 -2%
Citadel Advisors
28
Citadel Advisors
Florida
$11.6M +$4.44M +70,955 +62%
RS
29
Robeco Schweiz
Switzerland
$11.3M +$11.3M +180,000 New
FWSM
30
First Wilshire Securities Management
California
$11M +$11M +175,159 New
Goldman Sachs
31
Goldman Sachs
New York
$10.4M +$4.02M +64,277 +63%
Principal Financial Group
32
Principal Financial Group
Iowa
$10.2M -$353K -5,642 -3%
Qube Research & Technologies (QRT)
33
Qube Research & Technologies (QRT)
United Kingdom
$9.34M -$2.24M -35,836 -19%
Nordea Investment Management
34
Nordea Investment Management
Sweden
$8.84M +$255K +4,083 +3%
Invesco
35
Invesco
Georgia
$8.75M +$147K +2,355 +2%
New York State Common Retirement Fund
36
New York State Common Retirement Fund
New York
$8.71M – – –
AA
37
Ancora Advisors
Ohio
$8.57M +$828K +13,230 +11%
JP Morgan Chase
38
JP Morgan Chase
New York
$8.5M -$2.82M -45,093 -25%
RA
39
Royce & Associates
New York
$8.45M +$1.07M +17,038 +15%
Bank of America
40
Bank of America
North Carolina
$8.04M +$1.51M +24,187 +23%
RC
41
RBF Capital
California
$7.73M – – –
SFM
42
Systematic Financial Management
New Jersey
$7.6M +$75.1K +1,200 +1%
Russell Investments Group
43
Russell Investments Group
United Kingdom
$7.42M +$894K +14,287 +14%
Public Sector Pension Investment Board (PSP Investments)
44
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$7.23M +$917K +14,650 +15%
Renaissance Technologies
45
Renaissance Technologies
New York
$6.57M -$6.59M -105,365 -50%
Connor, Clark & Lunn Investment Management (CC&L)
46
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$6.19M +$663K +10,591 +12%
Point72 Asset Management
47
Point72 Asset Management
Connecticut
$6.02M -$1.42M -22,724 -19%
Ameriprise
48
Ameriprise
Minnesota
$6.01M +$1.22M +19,502 +26%
Primecap Management
49
Primecap Management
California
$6M – – –
AQR Capital Management
50
AQR Capital Management
Connecticut
$5.94M -$205K -3,275 -3%
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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.