State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s Fortuna Silver Mines FSM Stock Holding History

State of Wisconsin Investment Board’s Portfolio FSM Stock Details FSM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$168K Buy
+16,999
New +$184K ﹤0.01% 2369
2023
Q4 		– Sell
-14,789
Closed -$40.5K – 2441
2023
Q3 		$40.5K Buy
+14,789
New +$46.4K ﹤0.01% 2440
2023
Q2 		– Sell
-17,464
Closed -$66.5K – 2408
2023
Q1 		$66.5K Buy
+17,464
New +$62.1K ﹤0.01% 2434

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Arrowstreet Capital
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Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
TI
Tidal Investments Milwaukee, Wisconsin $47.4B AUM 59.58% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

State of Wisconsin Investment Board's FSM Position: Q1 2026 in Review

State of Wisconsin Investment Board opened a new position in Fortuna Silver Mines (FSM) in Q1 2026: 16,999 shares worth $168K. The stake represents ﹤0.01% of the portfolio and ranks #2369 among its holdings. This is a return to the name: State of Wisconsin Investment Board previously reported a position in FSM as recently as Q3 2023.

State of Wisconsin Investment Board first reported a position in FSM in Q1 2023 and has held it in 3 quarters since. 253 funds tracked by Wall St. Rank hold FSM as of Q1 2026.

  • State of Wisconsin Investment Board held 16,999 shares of Fortuna Silver Mines worth $168K as of Q1 2026.
  • Fortuna Silver Mines was a new State of Wisconsin Investment Board position in Q1 2026.
  • Fortuna Silver Mines made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2369 holding.
  • State of Wisconsin Investment Board first reported a position in Fortuna Silver Mines in Q1 2023 and has held it in 3 quarters since.
  • 253 funds tracked by Wall St. Rank held Fortuna Silver Mines as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.