Adage Capital Partners
PSIX

Adage Capital Partners’s Power Solutions International PSIX Stock Holding History

Adage Capital Partners’s Portfolio PSIX Stock Details PSIX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-75,000
Closed -$4.29M – 1092
2025
Q4 		$4.29M Buy
+75,000
New +$5.35M 0.01% 779

Other funds holding PSIX

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Arrowstreet Capital
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SA
Situational Awareness San Francisco, California $13.7B AUM 334.5% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
BB
Busey Bank Urbana, Illinois $3.68B AUM 26.6% 1-Year Est. Return
SG Americas Securities
SG Americas Securities New York $92.9B AUM 36.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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

Adage Capital Partners sold out of Power Solutions International (PSIX) in Q1 2026, closing a stake of 75,000 shares — an estimated $4.29M sold.

Adage Capital Partners first reported a position in PSIX in Q4 2025 and held it in 1 quarter. The position peaked at $4.29M in Q4 2025. 201 funds tracked by Wall St. Rank hold PSIX as of Q1 2026.

  • Adage Capital Partners reported no remaining Power Solutions International position as of Q1 2026 after selling out during the quarter.
  • Adage Capital Partners sold 75,000 Power Solutions International shares in Q1 2026, an estimated $4.29M.
  • Adage Capital Partners first reported a position in Power Solutions International in Q4 2025 and held it in 1 quarter.
  • Adage Capital Partners's Power Solutions International position peaked at $4.29M in Q4 2025.
  • 201 funds tracked by Wall St. Rank held Power Solutions International as of Q1 2026.

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