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Portolan Capital Management’s First Solar FSLR Stock Holding History

Portolan Capital Management’s Portfolio FSLR Stock Details FSLR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-78,761
Closed -$20.6M – 151
2025
Q4 		$20.6M Sell
78,761
-4,437
-5% -$1.12M 1.1% 26
2025
Q3 		$18.3M Buy
+83,198
New +$16M 0.99% 32

Other funds holding FSLR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
HCC
Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Amundi
Amundi Paris, France $416B AUM 44.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Portolan Capital Management's FSLR Position: Q1 2026 in Review

Portolan Capital Management sold out of First Solar (FSLR) in Q1 2026, closing a stake of 78,761 shares — an estimated $20.6M sold.

Portolan Capital Management first reported a position in FSLR in Q3 2025 and held it in 2 quarters. The position peaked at $20.6M in Q4 2025. 970 funds tracked by Wall St. Rank hold FSLR as of Q1 2026.

  • Portolan Capital Management reported no remaining First Solar position as of Q1 2026 after selling out during the quarter.
  • Portolan Capital Management sold 78,761 First Solar shares in Q1 2026, an estimated $20.6M.
  • Portolan Capital Management first reported a position in First Solar in Q3 2025 and held it in 2 quarters.
  • Portolan Capital Management's First Solar position peaked at $20.6M in Q4 2025.
  • 970 funds tracked by Wall St. Rank held First Solar as of Q1 2026.

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