SELLAS Life Sciences Group, Inc. (SLS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

108,396,260Shares Outstanding
43,588,097Shares held by institutions
$537,877,124Value of institutional holdings
40.21%Institutional ownership %
-3.21%Shares Changed QoQ
67No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

SELLAS Life Sciences Group, Inc. (NASDAQ:SLS) is held by 67 institutional investors per 13F filings through December 2025.

228 Institutional Holders

43,588,097 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
Helikon Investments Ltd 31 Mar, 2026 15,545,845 6,523,773 72.31% $133,383,350.00
BlackRock, Inc. 31 Mar, 2026 12,198,410 4,657,356 61.76% $51,599,273.00
State Street Corp 31 Mar, 2026 8,396,356 6,208,185 283.72% $35,516,586.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 7,525,929 7,525,929 0.00% $31,834,680.00
PSquared Asset Management AG 31 Mar, 2026 4,084,315 121,300 3.06% $35,261,752.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 31 Mar, 2026 4,034,414 1,184,782 41.58% $34,719,868.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 3,912,606 835,269 27.14% $16,554,768.00
Principal Financial Group Inc 31 Mar, 2026 3,000,000 2,234,530 291.92% $25,817,778.00
Orion Resource Partners LP 31 Mar, 2026 2,700,000 -2,300,000 -46.00% $23,166,000.00
PICTON MAHONEY ASSET MANAGEMENT 31 Mar, 2026 2,157,522 114,683 5.61% $18,632,228.00
MARSHALL WACE, LLP 31 Mar, 2026 2,037,162 696,494 51.95% $8,617,196.00
L1 Capital Pty Ltd 31 Mar, 2026 1,967,387 -1,261,997 -39.08% $16,971,318.00
Sprott Inc. 31 Mar, 2026 1,761,374 -786,795 -30.88% $15,120,788.00
Janus Henderson Group Plc 31 Mar, 2026 1,746,738 1,115,118 176.55% $14,970,776.00
UBS Group AG 31 Mar, 2026 1,724,981 1,099,895 175.96% $14,800,337.00
JONES FINANCIAL COMPANIES LLLP 31 Mar, 2026 1,675,077 1,245,834 290.24% $7,311,711.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 1,462,806 1,462,806 0.00% $6,187,669.00
Jpmorgan Chase & Co 31 Mar, 2026 1,435,731 -3,191 -0.22% $11,457,134.00
Morgan Stanley 31 Mar, 2026 1,336,293 445,364 49.99% $5,652,520.00
Morgan Stanley 31 Mar, 2026 1,328,934 308,120 30.18% $11,402,254.00