Parallax Volatility Advisers
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Parallax Volatility Advisers’s Gibraltar Industries ROCK Stock Holding History

Parallax Volatility Advisers’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
2023
Q3 		– Sell
-16,000
Closed -$1.01M – 2562
2023
Q2 		$1.01M Buy
16,000
+2,000
+14% +$108K ﹤0.01% 1400
2023
Q1 		$679K Buy
+14,000
New +$716K ﹤0.01% 1647
2020
Q3 		– Sell
-8,000
Closed -$384K – 3145
2020
Q2 		$384K Buy
+8,000
New +$356K ﹤0.01% 2065
2019
Q4 		– Sell
-27,000
Closed -$1.24M – 2602
2019
Q3 		$1.24M Buy
+27,000
New +$1.13M ﹤0.01% 1307

Other funds holding ROCK

BlackRock
BlackRock New York $5.72T AUM 30.48% 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
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Parallax Volatility Advisers's ROCK Position: Q2 2023 in Review

Parallax Volatility Advisers sold out of Gibraltar Industries (ROCK) in Q2 2023, closing a stake of 114 shares — an estimated $6.17K sold.

Parallax Volatility Advisers first reported a position in ROCK in Q3 2016 and held it in 6 quarters. The position peaked at $722K in Q3 2019. 230 funds tracked by Wall St. Rank hold ROCK as of Q2 2023.

  • Parallax Volatility Advisers reported no remaining Gibraltar Industries position as of Q2 2023 after selling out during the quarter.
  • Parallax Volatility Advisers sold 114 Gibraltar Industries shares in Q2 2023, an estimated $6.17K.
  • Parallax Volatility Advisers first reported a position in Gibraltar Industries in Q3 2016 and held it in 6 quarters.
  • Parallax Volatility Advisers's Gibraltar Industries position peaked at $722K in Q3 2019.
  • 230 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2023.

Based on Parallax Volatility Advisers's 13F filing for Q2 2023, filed 14 Aug 2023.