Adage Capital Partners
SSD icon

Adage Capital Partners’s Simpson Manufacturing SSD Stock Holding History

Adage Capital Partners’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 		$27M Buy
157,500
+7,500
+5% +$1.38M 0.04% 391
2025
Q4 		$24.2M Sell
150,000
-25,000
-14% -$4.23M 0.04% 425
2025
Q3 		$29.3M Buy
175,000
+100,000
+133% +$17.9M 0.05% 367
2025
Q2 		$11.6M Buy
+75,000
New +$11.6M 0.02% 585
2020
Q2 		– Sell
-103,982
Closed -$6.45M – 796
2020
Q1 		$6.45M Buy
+103,982
New +$8.12M 0.02% 544

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Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
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VCM
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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

Adage Capital Partners's SSD Position: Q1 2026 in Review

Adage Capital Partners increased its Simpson Manufacturing (SSD) stake by 5% in Q1 2026, buying an estimated $1.38M and bringing the position to 157,500 shares worth $27M. The position accounts for 0.04% of the portfolio, ranked #391.

Adage Capital Partners first reported a position in SSD in Q1 2020 and has held it in 5 quarters since. The position peaked at $29.3M in Q3 2025. 460 funds tracked by Wall St. Rank hold SSD as of Q1 2026.

  • Adage Capital Partners held 157,500 shares of Simpson Manufacturing worth $27M as of Q1 2026.
  • Adage Capital Partners bought 7,500 Simpson Manufacturing shares in Q1 2026, an estimated $1.38M.
  • Simpson Manufacturing made up 0.04% of Adage Capital Partners's portfolio in Q1 2026, its #391 holding.
  • Adage Capital Partners first reported a position in Simpson Manufacturing in Q1 2020 and has held it in 5 quarters since.
  • Adage Capital Partners's Simpson Manufacturing position peaked at $29.3M in Q3 2025.
  • 460 funds tracked by Wall St. Rank held Simpson Manufacturing as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.