HCA
ROCK icon

Harbor Capital Advisors’s Gibraltar Industries ROCK Stock Holding History

Harbor Capital Advisors’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 		$12K Sell
262
-16
-6% -$627 ﹤0.01% 964
2026
Q1 		$11K Buy
278
+156
+128% +$7.54K ﹤0.01% 961
2025
Q4 		$6K Sell
122
-2
-2% -$115 ﹤0.01% 1106
2025
Q3 		$8K Sell
124
-4
-3% -$250 ﹤0.01% 1024
2025
Q2 		$8K Sell
128
-26
-17% -$1.49K ﹤0.01% 1038
2025
Q1 		$9K Buy
154
+63
+69% +$3.92K ﹤0.01% 1003
2024
Q4 		$5K Sell
91
-2
-2% -$136 ﹤0.01% 1140
2024
Q3 		$7K Buy
+93
New +$6.49K ﹤0.01% 1073

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 $3.38T AUM 44.17% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
Frontier Capital Management
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

Harbor Capital Advisors's ROCK Position: Q2 2026 in Review

Harbor Capital Advisors reduced its Gibraltar Industries (ROCK) stake by 5.8% in Q2 2026, selling an estimated $627 and leaving 262 shares worth $12K. The position accounts for ﹤0.01% of the portfolio, ranked #964.

Harbor Capital Advisors first reported a position in ROCK in Q3 2024 and has held it in 8 quarters since. 245 funds tracked by Wall St. Rank hold ROCK as of Q2 2026.

  • Harbor Capital Advisors held 262 shares of Gibraltar Industries worth $12K as of Q2 2026.
  • Harbor Capital Advisors sold 16 Gibraltar Industries shares in Q2 2026, an estimated $627.
  • Gibraltar Industries made up ﹤0.01% of Harbor Capital Advisors's portfolio in Q2 2026, its #964 holding.
  • Harbor Capital Advisors first reported a position in Gibraltar Industries in Q3 2024 and has held it in 8 quarters since.
  • 245 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2026.

Based on Harbor Capital Advisors's 13F filing for Q2 2026, filed 7 Aug 2026.