Who Owns SELLAS Life Sciences Group, Inc. (SLS)?Hedge Fund & Institutional Holders

$5.29+0.26 (+5.07%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$7.190542248400734e+202T

% of Float Held

Infinity%

QoQ Change in Holders

+14 / -3

Price History

$0.84$2.12$3.40$4.68$5.96Sep 24Jun 25Mar 26

SLS — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
TD Waterhouse Canada Inc.New Position+851K+$6.8M
PRINCIPAL FINANCIAL GROUP INCNew Position+765K+$6.1M
Extract Advisors LLCNew Position+520K+$4.2M
PICTON MAHONEY ASSET MANAGEMENTIncreased+74K+$3.4M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPNew Position+418K+$3.0M
DAGCO, INC.New Position+578K+$2.2M
Everhart Financial Group, Inc.New Position+466K+$1.8M
Opus Capital Group, LLCNew Position+317K+$1.2M
Point72 Asset Management, L.P.New Position+213K+$1.0M
Clear Street Group Inc.New Position+500K+$1.0M
JONES FINANCIAL COMPANIES LLLPNew Position+429K+$1.0M
Cardinal Point Capital Management ULCNew Position+54K+$429K
STONERIDGE INVESTMENT PARTNERS LLCNew Position+61K+$231K
NORTHSTAR ASSET MANAGEMENT CoNew Position+50K+$188K
FULCRUM WEALTH ADVISORS, LLCNew Position+49K+$183K

SLS — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Orion Resource Partners LPDecreased-454K-$34.8B
L1 Capital Pty LtdDecreased-1.7M-$32.6B
SPROTT INC.Decreased-162K-$17.2B
NewGen Equity Long/Short FundClosed Position-1.6M-$10.9B
NewGen Asset Management LtdDecreased-429K-$10.9B
Anson Funds Management LPClosed Position-6.2M-$10.7B
GOLDMAN SACHS GROUP INCDecreased-479K-$9.7B
JANUS HENDERSON GROUP PLCDecreased-304K-$5.9B
AmundiDecreased-23K-$5.7B
JANE STREET GROUP, LLCDecreased-725K-$4.8B
Sagil Capital LLPClosed Position-623K-$4.0B
MARSHALL WACE, LLPDecreased-1.0M-$3.8B
D. E. Shaw & Co., Inc.Decreased-94K-$2.7B
FMR LLCDecreased-313K-$2.0B
SUSQUEHANNA INTERNATIONAL GROUP, LLPDecreased-521K-$1.6B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Helikon Investments Ltd9,022,072$71.9M3.81%Share
2GROUP ONE TRADING LLC11,206,600$42.2M0.07%Call
3Orion Resource Partners LP5,000,000$40.1M19.71%Share
4PSquared Asset Management AG3,963,015$31.8M14.85%Share
5VANGUARD GROUP INC7,392,154$27.9M0.00%Share
6L1 Capital Pty Ltd3,229,384$25.9M1.35%Share
7MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2,849,632$22.0M0.03%Share
8SUSQUEHANNA INTERNATIONAL GROUP, LLP5,695,500$21.0M0.00%Call
9SPROTT INC.2,548,169$20.3M0.69%Share
10PICTON MAHONEY ASSET MANAGEMENT2,042,839$16.0M0.12%Share
11BlackRock, Inc.4,501,563$16.0M0.00%Share
12JPMORGAN CHASE & CO1,438,922$11.0M0.00%Share
13NewGen Asset Management Ltd1,219,657$9.8M6.04%Share
14GEODE CAPITAL MANAGEMENT, LLC2,611,110$9.0M0.00%Share
15MORGAN STANLEY1,014,068$8.0M0.00%Share
16BANK OF AMERICA CORP /DE/1,023,918$8.0M0.00%Share
17BlackRock, Inc.2,373,308$8.0M0.00%Share
18STATE STREET CORP2,188,171$8.0M0.00%Share
19CITADEL ADVISORS LLC1,893,600$7.0M0.00%Call
20Amundi902,800$7.0M0.00%Share
21TD Waterhouse Canada Inc.850,553$6.8M0.04%Share
22PRINCIPAL FINANCIAL GROUP INC765,470$6.1M0.00%Share
23MILLENNIUM MANAGEMENT LLC1,387,849$5.0M0.00%Share
24MACKENZIE FINANCIAL CORP716,802$5.0M0.01%Share
25MARSHALL WACE, LLP1,340,252$5.0M0.00%Share
26UBS Group AG625,085$5.0M0.00%Share
27Extract Advisors LLC519,952$4.2M1.08%Share
28JANUS HENDERSON GROUP PLC577,162$4.0M0.00%Share
29TWO SIGMA INVESTMENTS, LP538,414$4.0M0.01%Share
30TWO SIGMA INVESTMENTS, LP1,082,207$4.0M0.01%Share
31VANGUARD GROUP INC957,465$3.6M0.00%Share
32GOLDMAN SACHS GROUP INC411,051$3.0M0.00%Share
33MANUFACTURERS LIFE INSURANCE COMPANY, THE376,625$3.0M0.00%Share
34Nuveen, LLC997,380$3.0M0.00%Share
35ARROWSTREET CAPITAL, LIMITED PARTNERSHIP417,576$3.0M0.00%Share
36NORTHERN TRUST CORP911,714$3.0M0.00%Share
37GROUP ONE TRADING LLC676,500$2.5M0.00%Put
38DAGCO, INC.577,540$2.2M0.50%Share
39TUDOR INVESTMENT CORP ET AL685,700$2.0M0.00%Call
40SIG BROKERAGE, LP743,000$2.0M0.06%Call
41D. E. Shaw & Co., Inc.326,200$2.0M0.00%Share
42TUDOR INVESTMENT CORP ET AL617,600$2.0M0.00%Put
43MORGAN STANLEY628,264$2.0M0.00%Share
44MILLENNIUM MANAGEMENT LLC258,397$2.0M0.00%Share
45Everhart Financial Group, Inc.466,216$1.8M0.16%Share
46DIADEMA PARTNERS LP424,900$1.6M0.28%Call
47Opus Capital Group, LLC317,100$1.2M0.13%Share
48SUSQUEHANNA INTERNATIONAL GROUP, LLP276,700$1.0M0.00%Put
49NOMURA HOLDINGS INC523,700$1.0M0.00%Call
50Point72 Asset Management, L.P.212,979$1.0M0.00%Share

SLS Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025151$439.8M+40
Q3 2025111$324.1B+18
Q2 202593$190.7B+15
Q1 202578$152.5B+13
Q4 202465$100.9B+6
Q3 202459$44.4T+3
Q2 202456$20.9T+30
Q1 202426$6.9T—

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UNH

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As of Q4 2025, 50 institutional investors hold SLS (SELLAS Life Sciences Group, Inc.). The largest holder is Helikon Investments Ltd with $71.9M in shares. This quarter, 14 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own SLS?

As of Q4 2025, 50 institutional investors report holding SLS (SELLAS Life Sciences Group, Inc.) in their 13F filings.

Who is the largest institutional holder of SLS?

The largest institutional holder of SLS is Helikon Investments Ltd with $71.9M in shares.

Is institutional ownership of SLS increasing or decreasing?

This quarter, 14 institutions opened new positions in SLS and 3 closed their positions.