NRD
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Nebula Research & Development’s Gibraltar Industries ROCK Stock Holding History

Nebula Research & Development’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
2025
Q3 		– Sell
-27,511
Closed -$1.62M – 706
2025
Q2 		$1.62M Buy
27,511
+2,044
+8% +$117K 0.14% 243
2025
Q1 		$1.49M Buy
25,467
+5,385
+27% +$335K 0.14% 247
2024
Q4 		$1.18M Sell
20,082
-2,995
-13% -$204K 0.14% 240
2024
Q3 		$1.61M Buy
23,077
+11,130
+93% +$777K 0.19% 136
2024
Q2 		$819K Buy
+11,947
New +$870K 0.13% 269
2024
Q1 		– Sell
-4,611
Closed -$364K – 958
2023
Q4 		$364K Sell
4,611
-356
-7% -$24.3K 0.11% 364
2023
Q3 		$335K Buy
+4,967
New +$340K 0.18% 242

Other funds holding ROCK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Nebula Research & Development's ROCK Position: Q3 2025 in Review

Nebula Research & Development sold out of Gibraltar Industries (ROCK) in Q3 2025, closing a stake of 27,511 shares — an estimated $1.62M sold.

Nebula Research & Development first reported a position in ROCK in Q3 2023 and held it in 7 quarters. The position peaked at $1.62M in Q2 2025. 266 funds tracked by Wall St. Rank hold ROCK as of Q3 2025.

  • Nebula Research & Development reported no remaining Gibraltar Industries position as of Q3 2025 after selling out during the quarter.
  • Nebula Research & Development sold 27,511 Gibraltar Industries shares in Q3 2025, an estimated $1.62M.
  • Nebula Research & Development first reported a position in Gibraltar Industries in Q3 2023 and held it in 7 quarters.
  • Nebula Research & Development's Gibraltar Industries position peaked at $1.62M in Q2 2025.
  • 266 funds tracked by Wall St. Rank held Gibraltar Industries as of Q3 2025.

Based on Nebula Research & Development's 13F filing for Q3 2025.