Castleark Management’s Gibraltar Industries ROCK Stock Holding History

Castleark 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	-107,484	Closed	-$9.84M	–	357
2021 Q1	$9.84M	Buy	107,484 +5,075	+5%	+$466K	0.35%	86
2020 Q4	$7.37M	Sell	102,409 -50,889	-33%	-$3.4M	0.28%	101
2020 Q3	$9.99M	Buy	153,298 +164	+0.1%	+$9.68K	0.39%	69
2020 Q2	$7.35M	Buy	153,134 +7,889	+5%	+$351K	0.32%	91
2020 Q1	$6.23M	Buy	145,245 +60,290	+71%	+$3.02M	0.37%	77
2019 Q4	$4.29M	Buy	+84,955	New	+$4.27M	0.17%	165

Other funds holding ROCK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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 London, United Kingdom $122B AUM 29.27% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Castleark Management's ROCK Position: Q2 2021 in Review

Castleark Management sold out of Gibraltar Industries (ROCK) in Q2 2021, closing a stake of 107,484 shares — an estimated $9.84M sold.

Castleark Management first reported a position in ROCK in Q4 2019 and held it in 6 quarters. The position peaked at $9.99M in Q3 2020. 215 funds tracked by Wall St. Rank hold ROCK as of Q2 2021.

Castleark Management reported no remaining Gibraltar Industries position as of Q2 2021 after selling out during the quarter.
Castleark Management sold 107,484 Gibraltar Industries shares in Q2 2021, an estimated $9.84M.
Castleark Management first reported a position in Gibraltar Industries in Q4 2019 and held it in 6 quarters.
Castleark Management's Gibraltar Industries position peaked at $9.99M in Q3 2020.
215 funds tracked by Wall St. Rank held Gibraltar Industries as of Q2 2021.

Based on Castleark Management's 13F filing for Q2 2021, filed 17 Aug 2021.