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SLS SELLAS LIFE SCIENCES GROUP I

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COM NEW (common), issuer CIK 1390478

157 managers (160 13F filers) reported a position in SLS shares at 2026-03-31, 53,961,128 shares in all. 62 filers opened a position and 16 filers sold out during the quarter.

Managers
157
13F filers
160
New
62
Added
53
Reduced
18
Sold out
16
Shares held by filers
53,961,128

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.12,198,410$51.6M<0.01%+4,657,35613F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding10,319,684$43.7MnewTimeline
STATE STREET CORPin group STATE STREET CORP8,396,356$35.5M<0.01%+6,208,18513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC3,912,606$16.6M<0.01%+835,26913F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP2,037,162$8.62M0.01%+696,49413F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,675,077$7.31M<0.01%+1,245,83413F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY1,336,293$5.65M<0.01%+445,36413F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,275,984$5.4M<0.01%+345,23413F-HRTimelineGroup
DAGCO, INC.1,028,780$4.35M0.94%+451,24013F-HRTimeline
UBS Group AGin group UBS Group AG745,419$3.15M<0.01%+696,69213F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.698,080$2.95M<0.01%+644,78713F-HRTimelineGroup
Nuveen, LLCin group TIAA670,974$2.84M<0.01%-352,98713F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/641,683$2.71M<0.01%+540,74813F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC555,913$2.35M<0.01%+144,25913F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co480,604$2.03M<0.01%+72,20313F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp478,366$2.02M<0.01%+221,95713F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP403,165$1.71M<0.01%-679,04213F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…397,056$1.68M<0.01%+47,30113F-HRTimelineGroup
Everhart Financial Group, Inc.364,397$1.54M0.13%-101,81913F-HRTimeline
Opus Capital Group, LLC346,452$1.47M0.16%+29,35213F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…344,778$1.46M<0.01%new13F-HRTimelineGroup
VISION FINANCIAL MARKETS LLC304,400$1.29M1.26%new13F-HRTimeline
SIMPLEX TRADING, LLC295,162$1.25M0.04%new13F-HRTimeline
Rafferty Asset Management, LLC249,428$1.06M<0.01%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN225,707$955K<0.01%-73,59813F-HR/ATimelineGroup
Virtu Financial LLCin group Virtu Financial LLC221,829$938K0.04%new13F-HRTimelineGroup
RHUMBLINE ADVISERS194,198$821K<0.01%+64,88913F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.174,153$737K<0.01%new13F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC173,570$734K<0.01%+14,42013F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP163,290$691K0.04%-181,76213F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC159,524$675K<0.01%-1,228,32513F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.163,940$618K<0.01%+113,98013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\137,646$582K<0.01%+45,95813F-HRTimelineGroup
LPL Financial LLC137,208$580K<0.01%+40,90313F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/122,120$517K<0.01%+59,09413F-HRTimeline
PROFUND ADVISORS LLC111,794$473K0.02%new13F-HRTimeline
FULCRUM WEALTH ADVISORS, LLC109,251$462K0.38%+60,58713F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…98,289$412K<0.01%+40,74213F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…94,255$399K<0.01%+67,07413F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC90,007$381K<0.01%new13F-HRTimelineGroup
Tema ETFs LLC90,007$381K0.03%new13F-HRTimeline
Engineers Gate Manager LP82,780$350K<0.01%new13F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management81,695$346K<0.01%new13F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO81,824$328K<0.01%+32,34513F-HR/ATimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC74,751$316K<0.01%+61,46613F-HRTimelineGroup
Quantinno Capital Management LP74,378$315K<0.01%new13F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC64,641$273K<0.01%new13F-HRTimelineGroup
Caitong International Asset Management …60,712$257K0.05%+5,58313F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…59,807$253K<0.01%new13F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC53,990$228K<0.01%new13F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC51,255$217K<0.01%+10,98313F-HRTimeline
NORTHSTAR ASSET MANAGEMENT Co50,000$212K0.05%013F-HRTimeline
EntryPoint Capital, LLC48,224$204K0.06%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.47,272$200K<0.01%+23,58313F-HRTimelineGroup
Police & Firemen's Retirement System of…47,089$199K<0.01%+12,34613F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS47,016$199K<0.01%+20,17813F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …45,691$193K<0.01%+7,67313F-HRTimelineGroup
INSTRUMENTAL WEALTH, LLC44,914$190K0.12%013F-HRTimeline
Creative Planningin group Creative Planning40,571$172K<0.01%new13F-HRTimelineGroup
FARALLON CAPITAL MANAGEMENT, L.L.C.40,000$169K<0.01%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
NEW YORK STATE COMMON RETIREMENT FUND39,000$165K<0.01%+32,10013F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC38,470$163K<0.01%+9,22613F-HRTimeline
Accurate Wealth Management, LLC32,611$159K0.02%new13F-HRTimeline
Visionary Horizons, LLC36,000$152K0.08%013F-HRTimeline
OXFORD ASSET MANAGEMENT LLP35,501$150K0.06%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
AXXCESS WEALTH MANAGEMENT, LLC35,370$150K<0.01%013F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC35,032$148K<0.01%new13F-HRTimelineGroup
Scientech Research LLC34,096$144K0.12%-4,64713F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC32,412$137K<0.01%-478,62213F-HRTimelineGroup
E Fund Management Co., Ltd.31,354$133K<0.01%13F-HRTimeline
Genesee Capital Advisors, LLC30,000$127K0.05%013F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC29,262$124K<0.01%+8,22813F-HRTimelineGroup
Kestra Advisory Services, LLCin group Kestra Advisory Services, LLC29,150$123K<0.01%+1,75013F-HRTimelineGroup
Millington Financial Advisors, LLC25,000$122K0.05%013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC28,690$121K<0.01%new13F-HRTimelineGroup
Scissortail Wealth Management, LLC27,322$116K0.02%013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO26,581$112K<0.01%013F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC25,646$108K<0.01%-29,82913F-HRTimelineGroup
SJS Investment Consulting Inc.25,000$106K0.01%new13F-HRTimeline
ProShare Advisors LLC24,915$105K<0.01%+2,27713F-HRTimeline
World Investment Advisors24,616$104K<0.01%-19,50713F-HRTimeline
Jaffetilchin Investment Partners, LLC24,338$103K0.01%013F-HRTimeline
Financial Designs Corp23,327$98.7K0.05%new13F-HRTimeline
INDEPENDENT FINANCIAL GROUP, LLC23,250$98.3K<0.01%013F-HR/ATimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…21,110$89.3K<0.01%+14,63613F-HRTimelineGroup
STONERIDGE INVESTMENT PARTNERS LLC20,287$86K0.06%-41,04013F-HRTimeline
SIMON QUICK ADVISORS, LLC20,000$84.6K<0.01%013F-HRTimeline
Private Advisor Group, LLC19,540$82.7K<0.01%+1,33513F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…18,006$76.2K<0.01%+8,44613F-HRTimelineGroup
Grange Capital, LLC17,651$74.7K0.07%+1,65013F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC16,048$67.9K<0.01%-30313F-HRTimeline
FMR LLCin group FMR LLC15,561$65.8K<0.01%+8,06613F-HRTimelineGroup
SIG BROKERAGE, LP15,429$65.3K0.02%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc15,142$64.1K<0.01%+2,11013F-HRTimelineGroup
SG Americas Securities, LLC15,166$64K<0.01%-21,28413F-HRTimeline
XPONANCE LLC14,817$62.7K<0.01%new13F-HRTimeline
ELCO Management Co., LLC14,609$61.8K0.03%013F-HRTimeline
TWO SIGMA SECURITIES, LLC14,437$61.1K0.01%-42,66813F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…14,065$59.5K<0.01%+4,32113F-HRTimelineGroup
BLAIR WILLIAM & CO/IL14,005$59.2K<0.01%-11,99713F-HRTimeline
CWM, LLCin group CWM, LLC13,275$56.2K<0.01%+1,49313F-HRTimelineGroup
EWA, LLC12,796$54.1K0.01%013F-HRTimeline
Cambridge Investment Research Advisors,…12,435$53K<0.01%013F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC12,429$52.6K<0.01%new13F-HRTimelineGroup
Verition Fund Management LLC12,262$51.9K<0.01%new13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP11,536$48.8K<0.01%-1,50013F-HRTimelineGroup
Wealthfront Advisers LLC11,436$48.4K<0.01%new13F-HRTimeline
CALTON & ASSOCIATES, INC.11,000$46.5K0.01%013F-HRTimeline
&PARTNERS10,941$46.3K<0.01%new13F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC10,941$46.3K<0.01%new13F-HRTimelineGroup
Marex Group Ltdin group Marex Group Ltd10,833$45.8K<0.01%new13F-HRTimelineGroup
GTS SECURITIES LLC10,329$43.7K<0.01%new13F-HRTimeline
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…10,085$42.7K<0.01%013F-HRTimelineGroup
Integrated Wealth Concepts LLC10,011$42.3K<0.01%new13F-HRTimeline
FIRST FINANCIAL BANK - TRUST DIVISION10,000$42.3K<0.01%new13F-HRTimeline
Nemes Rush Group LLC10,000$42.3K<0.01%013F-HRTimeline
Private Wealth Management Group, LLC10,000$42.3K0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…9,337$39.5K<0.01%+1,70913F-HRTimeline
Larson Financial Group LLC7,013$29.7K<0.01%+2013F-HRTimeline
Clearstead Advisors, LLC6,548$27.7K<0.01%new13F-HRTimeline
Quent Capital, LLC5,088$21.5K<0.01%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…5,000$21.1K<0.01%013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA4,171$18K<0.01%-3,48013F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC2,600$11K<0.01%new13F-HRTimeline
Colonial Trust Advisorsin group Colonial Trust Advisors2,516$10.6K<0.01%new13F-HRTimelineGroup
BELLEVUE ASSET MANAGEMENT, LLC2,512$10.6K0.01%new13F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/2,387$10K<0.01%new13F-HRTimelineGroup
Farther Finance Advisors, LLC2,360$9.94K<0.01%+2,01013F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.2,200$9.31K<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.2,186$9.25K<0.01%-1,40513F-HRTimeline
Glen Eagle Advisors, LLC2,176$9.2K<0.01%new13F-HRTimeline
Quantbot Technologies LP2,049$8.67K<0.01%new13F-HRTimeline
Atlantic Private Wealth, LLC2,000$8.46K0.01%new13F-HRTimeline
Marathon Trading Investment Management …in group Marathon Trading Investment M…1,191$5.04K<0.01%new13F-HRTimelineGroup
Sterling Capital Management LLC1,116$4.72K<0.01%+32613F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,059$4.48K<0.01%new13F-HR/ATimeline
IFP Advisors, Inc925$3.91K<0.01%new13F-HRTimeline
GAMMA Investing LLC815$3.45K<0.01%+44313F-HRTimeline
FINANCIAL CONSULATE, INC600$2.54K<0.01%new13F-HRTimeline
Avion Wealth573$2K<0.01%013F-HRTimeline
Sunbelt Securities, Inc.395$1.67K<0.01%new13F-HRTimeline
NewEdge Advisors, LLC300$1.27K<0.01%new13F-HR/ATimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…289$1.22K<0.01%+613F-HRTimelineGroup
Fortitude Family Office, LLC259$1.1K<0.01%new13F-HRTimeline
SIGNATUREFD, LLC172$728<0.01%new13F-HRTimeline
Strategic Wealth Partners, Ltd.150$635<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC127$537<0.01%+10613F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.100$423<0.01%013F-HRTimeline
Root Financial Partners, LLC60$254<0.01%new13F-HRTimeline
TWIN PEAKS WEALTH ADVISORS, LLC40$169<0.01%new13F-HRTimeline
Allworth Financial LP26$110<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…22$93<0.01%new13F-HR/ATimelineGroup
Keating Financial Advisory Services, In…7$30<0.01%new13F-HRTimeline
MAI Capital Management2$9<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust2$9<0.01%013F-HRTimeline
Bogart Wealth, LLC2$8<0.01%new13F-HRTimeline
Hughes Financial Services, LLC1$4<0.01%new13F-HRTimeline