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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
271
Holders Change
-12
Holders Change %
-4.24%
% of All Funds
3.63%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
35
Increased
114
Reduced
89
Closed
44
Calls
$1.32M
Puts
$6.83M
Net Calls
-$5.5M
Net Calls Change
-$2.38M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
+$29.3M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$15.7M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$11M
4
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings
Hong Kong
+$10.9M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$10M

Top Sellers

1
Pacer Advisors
Pacer Advisors
Pennsylvania
-$34.1M
2
GKIM
GW&K Investment Management
Massachusetts
-$24.3M
3
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$18.3M
4
BlackRock
BlackRock
New York
-$16.3M
5
Bank of New York Mellon
Bank of New York Mellon
New York
-$8.82M
Name Holding Trade Value Shares
Change 		Change in
Stake
Ameriprise
51
Ameriprise
Minnesota
$4.92M -$248K -3,986 -5%
Legal & General Group
52
Legal & General Group
United Kingdom
$4.82M -$132K -2,121 -3%
American Century Companies
53
American Century Companies
Missouri
$4.43M +$231K +3,713 +5%
AllianceBernstein
54
AllianceBernstein
Tennessee
$4.13M – – –
Point72 Asset Management
55
Point72 Asset Management
Connecticut
$4M -$7.62M -122,459 -64%
Envestnet Asset Management
56
Envestnet Asset Management
Illinois
$3.88M -$174K -2,795 -4%
BL
57
BFSG LLC
California
$3.77M -$8.71K -140 -0.2%
SDIC
58
South Dakota Investment Council
South Dakota
$3.54M -$43.5K -700 -1%
Barclays
59
Barclays
United Kingdom
$3.49M -$526K -8,457 -12%
TI
60
Trexquant Investment
Connecticut
$3.47M +$2.93M +47,153 +391%
Swiss National Bank
61
Swiss National Bank
Switzerland
$3.45M -$68.4K -1,100 -2%
Susquehanna International Group
62
Susquehanna International Group
Pennsylvania
$3.42M +$2.51M +40,416 +227%
TA
63
Teton Advisors
New York
$3.31M -$187K -3,000 -5%
VanEck Associates
64
VanEck Associates
New York
$3.16M +$1.48M +23,724 +79%
First Trust Advisors
65
First Trust Advisors
Illinois
$3.12M +$1.19M +19,083 +56%
Millennium Management
66
Millennium Management
New York
$2.94M -$6.33M -101,822 -67%
OAM
67
OP Asset Management
$2.73M +$2.89M +46,488 New
Bank of America
68
Bank of America
North Carolina
$2.7M +$104K +1,671 +4%
GKIM
69
GW&K Investment Management
Massachusetts
$2.69M -$24.3M -389,913 -89%
IIM
70
INTECH Investment Management
Florida
$2.6M -$22.6K -364 -0.8%
HF
71
HRT Financial
New York
$2.57M +$1.37M +21,990 +101%
New York State Teachers Retirement System (NYSTRS)
72
New York State Teachers Retirement System (NYSTRS)
New York
$2.55M -$261K -4,200 -9%
Deutsche Bank
73
Deutsche Bank
Germany
$2.54M -$161K -2,584 -6%
MAM
74
Martingale Asset Management
Massachusetts
$2.53M +$532K +8,551 +25%
EP
75
Edgestream Partners
New Jersey
$2.41M -$436K -7,016 -15%
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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.