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Mangrove Partners’s SELLAS Life Sciences SLS Stock Holding History

Mangrove Partners’s Portfolio SLS Stock Details SLS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$504K Buy
+34,140
New +$236K 0.03% 212

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Vanguard Capital Management
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Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AFM
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Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Mangrove Partners's SLS Position: Q2 2026 in Review

Mangrove Partners opened a new position in SELLAS Life Sciences (SLS) in Q2 2026: 34,140 shares worth $504K. The stake represents 0.03% of the portfolio and ranks #212 among its holdings.

192 funds tracked by Wall St. Rank hold SLS as of Q2 2026.

  • Mangrove Partners held 34,140 shares of SELLAS Life Sciences worth $504K as of Q2 2026.
  • SELLAS Life Sciences was a new Mangrove Partners position in Q2 2026.
  • SELLAS Life Sciences made up 0.03% of Mangrove Partners's portfolio in Q2 2026, its #212 holding.
  • 192 funds tracked by Wall St. Rank held SELLAS Life Sciences as of Q2 2026.

Based on Mangrove Partners's 13F filing for Q2 2026, filed 14 Aug 2026.