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

Institutions by Trading Activity

Ownership Statistics

108,396,260Shares Outstanding
43,588,097Shares held by institutions
$340,640,978Value 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) has 67 institutional investors with active 13F positions as of December 2025.

291 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
Helikon Investments Ltd 31 Mar, 2026 9,022,072 2,210,452 32.45% $71,905,914.00
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
Orion Resource Partners LP 31 Mar, 2026 5,000,000 -454,201 -8.33% $40,073,000.00
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
PSquared Asset Management AG 31 Mar, 2026 3,963,015 38,957 0.99% $31,760,711.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 3,912,606 835,269 27.14% $16,554,768.00
L1 Capital Pty Ltd 31 Mar, 2026 3,229,384 -1,700,239 -34.49% $25,882,221.00
Principal Financial Group Inc 31 Mar, 2026 3,000,000 2,234,530 291.92% $25,817,778.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 31 Mar, 2026 2,849,632 496,574 21.10% $22,867,738.00
Orion Resource Partners LP 31 Mar, 2026 2,700,000 -2,300,000 -46.00% $23,166,000.00
Sprott Inc. 31 Mar, 2026 2,548,169 -162,458 -5.99% $20,315,943.00
PICTON MAHONEY ASSET MANAGEMENT 31 Mar, 2026 2,157,522 114,683 5.61% $18,632,228.00
PICTON MAHONEY ASSET MANAGEMENT 31 Mar, 2026 2,042,839 74,152 3.77% $16,395,009.00
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