CM
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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
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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VH
ValueAct Holdings San Francisco, California $5.71B AUM 7.41% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BAAM
Baker Avenue Asset Management San Francisco, California $4.43B AUM 26.6% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Castleark Management's SSD Position: Q1 2026 in Review

Castleark Management reduced its Simpson Manufacturing (SSD) stake by 5.1% in Q1 2026, selling an estimated $378K and leaving 38,382 shares worth $6.59M. The position accounts for 0.22% of the portfolio, ranked #119.

Castleark Management first reported a position in SSD in Q3 2018 and has held it in 5 quarters since. The position peaked at $11.2M in Q3 2018. 460 funds tracked by Wall St. Rank hold SSD as of Q1 2026.

  • Castleark Management held 38,382 shares of Simpson Manufacturing worth $6.59M as of Q1 2026.
  • Castleark Management sold 2,050 Simpson Manufacturing shares in Q1 2026, an estimated $378K.
  • Simpson Manufacturing made up 0.22% of Castleark Management's portfolio in Q1 2026, its #119 holding.
  • Castleark Management first reported a position in Simpson Manufacturing in Q3 2018 and has held it in 5 quarters since.
  • Castleark Management's Simpson Manufacturing position peaked at $11.2M in Q3 2018.
  • 460 funds tracked by Wall St. Rank held Simpson Manufacturing as of Q1 2026.

Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.