Man Group
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Man Group’s Gibraltar Industries ROCK Stock Holding History

Man Group’s Portfolio ROCK Stock Details ROCK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.76M Buy
+83,282
New +$3.26M 0.01% 1267
2025
Q4 		– Sell
-12,452
Closed -$782K – 2439
2025
Q3 		$782K Sell
12,452
-87,856
-88% -$5.5M ﹤0.01% 1750
2025
Q2 		$5.92M Buy
100,308
+66,820
+200% +$3.83M 0.01% 989
2025
Q1 		$1.96M Buy
33,488
+6,715
+25% +$418K 0.01% 1360
2024
Q4 		$1.58M Sell
26,773
-41,766
-61% -$2.85M ﹤0.01% 1381
2024
Q3 		$4.79M Sell
68,539
-44,264
-39% -$3.09M 0.01% 1038
2024
Q2 		$7.73M Buy
112,803
+6,547
+6% +$477K 0.02% 822
2024
Q1 		$8.56M Sell
106,256
-4,064
-4% -$324K 0.02% 768
2023
Q4 		$8.71M Buy
+110,320
New +$7.54M 0.02% 715
2023
Q3 		– Sell
-9,061
Closed -$620K – 1476
2023
Q2 		$570K Buy
+9,061
New +$490K ﹤0.01% 1544
2022
Q1 		– Sell
-4,765
Closed -$318K – 2336
2021
Q4 		$318K Buy
4,765
+407
+9% +$29.1K ﹤0.01% 1657
2021
Q3 		$304K Sell
4,358
-1
-0% -$72 ﹤0.01% 1642
2021
Q2 		$333K Buy
4,359
+152
+4% +$12.6K ﹤0.01% 1653
2021
Q1 		$385K Sell
4,207
-12,119
-74% -$1.11M ﹤0.01% 1564
2020
Q4 		$1.17M Sell
16,326
-294
-2% -$19.6K 0.01% 1370
2020
Q3 		$1.08M Sell
16,620
-11,150
-40% -$658K ﹤0.01% 1351
2020
Q2 		$1.33M Buy
27,770
+12,094
+77% +$538K 0.01% 1195
2020
Q1 		$673K Sell
15,676
-1,475
-9% -$73.8K ﹤0.01% 1209
2019
Q4 		$865K Buy
17,151
+3,609
+27% +$181K ﹤0.01% 1516
2019
Q3 		$622K Buy
+13,542
New +$567K ﹤0.01% 1531

Other funds holding ROCK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Man Group's ROCK Position: Q2 2026 in Review

Man Group opened a new position in Gibraltar Industries (ROCK) in Q2 2026: 83,282 shares worth $3.76M. The stake represents 0.01% of the portfolio and ranks #1267 among its holdings. This is a return to the name: Man Group previously reported a position in ROCK as recently as Q3 2025.

Man Group first reported a position in ROCK in Q3 2019 and has held it in 20 quarters since. The position peaked at $8.71M in Q4 2023. 245 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • Man Group held 83,282 shares of Gibraltar Industries worth $3.76M as of Q2 2026.
  • Gibraltar Industries was a new Man Group position in Q2 2026.
  • Gibraltar Industries made up 0.01% of Man Group's portfolio in Q2 2026, its #1267 holding.
  • Man Group first reported a position in Gibraltar Industries in Q3 2019 and has held it in 20 quarters since.
  • Man Group's Gibraltar Industries position peaked at $8.71M in Q4 2023.
  • 245 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on Man Group's 13F filing for Q2 2026, filed 14 Aug 2026.