Castleark Management’s Simpson Manufacturing SSD Stock Holding History

Castleark Management’s Portfolio SSD Stock Details SSD Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-38,382	Closed	-$6.59M	–	346
2026 Q1	$6.59M	Sell	38,382 -2,050	-5%	-$378K	0.22%	119
2025 Q4	$6.53M	Buy	40,432 +1,320	+3%	+$223K	0.19%	130
2025 Q3	$6.55M	Buy	+39,112	New	+$7M	0.18%	123
2019 Q1	–	Sell	-107,661	Closed	-$5.83M	–	402
2018 Q4	$5.83M	Sell	107,661 -46,440	-30%	-$2.73M	0.25%	128
2018 Q3	$11.2M	Buy	+154,101	New	+$10.9M	0.32%	105

Other funds holding SSD

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

BAAM

Baker Avenue Asset Management San Francisco, California $5.28B AUM 39.19% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

QCM

Quantinno Capital Management New York $83.3B AUM 37.97% 1-Year Est. Return

Castleark Management's SSD Position: Q2 2026 in Review

Castleark Management sold out of Simpson Manufacturing (SSD) in Q2 2026, closing a stake of 38,382 shares — an estimated $6.59M sold.

Castleark Management first reported a position in SSD in Q3 2018 and held it in 5 quarters. The position peaked at $11.2M in Q3 2018. 486 funds tracked by Wall St. Rank hold SSD as of Q2 2026.

Castleark Management reported no remaining Simpson Manufacturing position as of Q2 2026 after selling out during the quarter.
Castleark Management sold 38,382 Simpson Manufacturing shares in Q2 2026, an estimated $6.59M.
Castleark Management first reported a position in Simpson Manufacturing in Q3 2018 and held it in 5 quarters.
Castleark Management's Simpson Manufacturing position peaked at $11.2M in Q3 2018.
486 funds tracked by Wall St. Rank held Simpson Manufacturing as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.