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Portolan Capital Management’s Gibraltar Industries ROCK Stock Holding History

Portolan Capital Management’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
2021
Q2 		– Sell
-69,976
Closed -$6.4M – 154
2021
Q1 		$6.4M Sell
69,976
-917
-1% -$84.1K 0.5% 86
2020
Q4 		$5.1M Buy
70,893
+28,650
+68% +$1.91M 0.46% 80
2020
Q3 		$2.75M Buy
+42,243
New +$2.49M 0.31% 100

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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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $122B AUM 29.27% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Portolan Capital Management's ROCK Position: Q2 2021 in Review

Portolan Capital Management sold out of Gibraltar Industries (ROCK) in Q2 2021, closing a stake of 69,976 shares — an estimated $6.4M sold.

Portolan Capital Management first reported a position in ROCK in Q3 2020 and held it in 3 quarters. The position peaked at $6.4M in Q1 2021. 215 funds tracked by Wall St. Rank hold ROCK as of Q2 2021.

  • Portolan Capital Management reported no remaining Gibraltar Industries position as of Q2 2021 after selling out during the quarter.
  • Portolan Capital Management sold 69,976 Gibraltar Industries shares in Q2 2021, an estimated $6.4M.
  • Portolan Capital Management first reported a position in Gibraltar Industries in Q3 2020 and held it in 3 quarters.
  • Portolan Capital Management's Gibraltar Industries position peaked at $6.4M in Q1 2021.
  • 215 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2021.

Based on Portolan Capital Management's 13F filing for Q2 2021, filed 16 Aug 2021.