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

Institutions by Trading Activity

108,396,260Shares Outstanding

44,239,604Shares held by institutions

$229,382,347Value of institutional holdings

40.81%Institutional ownership %

-1.76%Shares Changed QoQ

67No. of institutional investors

SELLAS Life Sciences Group, Inc. (NASDAQ:SLS) has 67 institutional investors that have filed 13F reports for the period ending December 2025.

They owned 40.2% of outstanding stock in December 2025, down from 44.5% the prior quarter.
They decreased total shares held in SELLAS Life Sciences by -3.21% from the prior quarter, while the number of investors in SLS increased 42.55% year over year.
Of these 67 holders, 35 added to their stakes in SELLAS Life Sciences, 19 trimmed positions, and 13 made no changes.
In total, institutional investors held 43.59Mn shares in SELLAS Life Sciences as of December 2025, down by 1.44Mn shares quarter on quarter, and up 5.47Mn shares year over year.
As of December 31, 2025, the biggest holder of SELLAS Life Sciences is Cardinal Point Capital Management ULC at 54.5K shares, representing 0.05% of shares outstanding.
The most significant purchases of SLS for the quarter ending December 2025 came from Pictet Asset Management Holding SA (1.29K), Cardinal Point Capital Management ULC (1.0K).
SELLAS Life Sciences's 3 largest shareholders as of December 2025 include Cardinal Point Capital Management ULC (54.5K), Pictet Asset Management Holding SA (21.98K), Farther Finance Advisors, LLC (9.0K) per Business Quant data.

44,239,604 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Helikon Investments Ltd	31 Dec, 2025	9,022,072	2,210,452	32.45%	$71,905,914.00
Orion Resource Partners LP	31 Dec, 2025	5,000,000	-454,201	-8.33%	$40,073,000.00
PSquared Asset Management AG	31 Dec, 2025	3,963,015	38,957	0.99%	$31,760,711.00
L1 Capital Pty Ltd	31 Dec, 2025	3,229,384	-1,700,239	-34.49%	$25,882,221.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	2,849,632	496,574	21.10%	$22,867,738.00
Sprott Inc.	31 Dec, 2025	2,548,169	-162,458	-5.99%	$20,315,943.00
PICTON MAHONEY ASSET MANAGEMENT	31 Dec, 2025	2,042,839	74,152	3.77%	$16,395,009.00
Jpmorgan Chase & Co	31 Dec, 2025	1,438,922	-1,390,656	-49.15%	$11,468,208.00
Goldman Sachs Group Inc	31 Dec, 2025	1,303,014	-220,333	-14.46%	$10,385,020.00
NewGen Asset Management Ltd	31 Dec, 2025	1,219,657	-428,543	-26.00%	$9,777,880.00
Bank Of America Corp /De/	31 Dec, 2025	1,103,511	-1,054,163	-48.86%	$8,794,982.00
Morgan Stanley	31 Dec, 2025	1,020,814	395,311	63.20%	$8,135,888.00
Amundi	31 Dec, 2025	902,800	-23,100	-2.49%	$7,195,316.00
TD Waterhouse Canada Inc.	31 Dec, 2025	850,553	-123,061	-12.64%	$6,773,438.00
Principal Financial Group Inc	31 Dec, 2025	765,470	765,470	0.00%	$6,142,744.00
MACKENZIE FINANCIAL CORP	31 Dec, 2025	716,802	25,439	3.68%	$5,755,726.00
Janus Henderson Group Plc	31 Dec, 2025	631,620	-303,889	-32.48%	$5,084,525.00
UBS Group AG	31 Dec, 2025	625,086	171,004	37.66%	$4,981,935.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	538,414	-61,700	-10.28%	$4,291,160.00
Extract Advisors LLC	31 Dec, 2025	519,952	519,952	0.00%	$4,166,282.00

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