Russell Investments Group
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Russell Investments Group’s SELLAS Life Sciences SLS Stock Holding History

Russell Investments Group’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
Q1 		$76.2K Buy
18,006
+8,446
+88% +$37.8K ﹤0.01% 3171
2025
Q4 		$36K Buy
9,560
+371
+4% +$721 ﹤0.01% 3414
2025
Q3 		$14.8K Buy
+9,189
New +$16.4K ﹤0.01% 3689

Other funds holding SLS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $208B AUM 16.12% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

Russell Investments Group's SLS Position: Q1 2026 in Review

Russell Investments Group increased its SELLAS Life Sciences (SLS) stake by 88% in Q1 2026, buying an estimated $37.8K and bringing the position to 18,006 shares worth $76.2K. The position accounts for ﹤0.01% of the portfolio, ranked #3171.

Russell Investments Group first reported a position in SLS in Q3 2025 and has held it in 3 quarters since. 160 funds tracked by Wall St. Rank hold SLS as of Q1 2026.

  • Russell Investments Group held 18,006 shares of SELLAS Life Sciences worth $76.2K as of Q1 2026.
  • Russell Investments Group bought 8,446 SELLAS Life Sciences shares in Q1 2026, an estimated $37.8K.
  • SELLAS Life Sciences made up ﹤0.01% of Russell Investments Group's portfolio in Q1 2026, its #3171 holding.
  • Russell Investments Group first reported a position in SELLAS Life Sciences in Q3 2025 and has held it in 3 quarters since.
  • 160 funds tracked by Wall St. Rank held SELLAS Life Sciences as of Q1 2026.

Based on Russell Investments Group's 13F filing for Q1 2026, filed 8 May 2026.