13F

Stock

Sellas Life Sciences Group I

Ticker not mapped · held by 159 managers

Reported value

$224.6M

Holders

159

+61 new · −15 exited

Holders’ est. mark

$10.2M

Price effect on 93 books still in the name

Largest holder

$51.6M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.12.2M$51.6M$3.47MAdded$23.2M
State Street8.4M$35.5M$1.01MAdded$27.3M
VANGUARD CAPITAL MANAGEMENT LLC7.53M$31.8MHeld
GEODE CAPITAL MANAGEMENT, LLC3.91M$16.6M$1.42MAdded$4.95M
MARSHALL WACE, LLP2.04M$8.62M$616.7KAdded$3.56M
JONES FINANCIAL COMPANIES LLLP1.68M$7.31M$255.4KAdded$5.69M
VANGUARD PORTFOLIO MANAGEMENT LLC1.46M$6.19MHeld
MORGAN STANLEY1.34M$5.65M$409.8KAdded$2.29M
NORTHERN TRUST CORP1.28M$5.4M$428.1KAdded$1.89M
VANGUARD FIDUCIARY TRUST CO1.2M$5.09MHeld
DAGCO, INC.1.03M$4.35M$265.7KAdded$2.17M
UBS Group AG745.4K$3.15M$22.4KAdded$2.97M
Invesco Ltd.698.1K$2.95M$24.5KAdded$2.75M
Nuveen, LLC671K$2.84M$308.6KCut−$1.02M
BANK OF AMERICA CORP /DE/641.7K$2.71M$46.4KAdded$2.33M
GOLDMAN SACHS GROUP INC555.9K$2.35M$189.4KAdded$799.6K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC480.6K$2.03M$187.9KAdded$493.3K
Bank of New York Mellon Corp478.4K$2.02M$117.9KAdded$1.06M
TWO SIGMA INVESTMENTS, LP403.2K$1.71M$185.5KCut−$2.37M
SUSQUEHANNA INTERNATIONAL GROUP, LLP397.1K$1.68M$160.9KAdded$361K
Everhart Financial Group, Inc.364.4K$1.54M$167.6KCut−$216.2K
WELLINGTON MANAGEMENT GROUP LLP344.8K$1.46MNew
VISION FINANCIAL MARKETS LLC304.4K$1.29MNew
SIMPLEX TRADING, LLC295.2K$1.25MNew
Rafferty Asset Management, LLC249.4K$1.06MNew
WELLS FARGO & COMPANY/MN225.7K$954.7K$103.8KCut−$173.6K
RHUMBLINE ADVISERS194.2K$821.5K$59.5KAdded$334K
Vontobel Holding Ltd.174.2K$736.7KNew
Mariner, LLC173.6K$734.2K$73.2KAdded$134.2K
MILLENNIUM MANAGEMENT LLC159.5K$674.8K$73.4KCut−$4.56M
ALLIANCEBERNSTEIN L.P.163.9K$618.1K$0Added$429.7K
DEUTSCHE BANK AG\137.6K$582.2K$42.2KAdded$236.6K
LPL Financial LLC137.2K$580.4K$44.3KAdded$217.3K
Vanguard Global Advisers, LLC128.1K$541.9KHeld
PROFUND ADVISORS LLC111.8K$472.9KNew
FULCRUM WEALTH ADVISORS, LLC109.3K$462.1K$22.4KAdded$278.7K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.98.3K$411.8K$24.1KAdded$194.8K
MetLife Investment Management, LLC94.3K$398.7K$12.5KAdded$296.2K
TEMA ETFS LLC90K$380.7KNew
Tidal Investments LLC90K$380.7KNew
Engineers Gate Manager LP82.8K$350.2KNew
Balyasny Asset Management L.P.81.7K$345.6KNew
JPMORGAN CHASE & CO81.8K$327.7K$11.6KAdded$141.2K
Squarepoint Ops LLC74.8K$316.2K$6.11KAdded$266.1K
Quantinno Capital Management LP74.4K$314.6KNew
Citadel64.6K$273.4KNew
Caitong International Asset Management Co., Ltd60.7K$256.8K$25.4KAdded$49K
FIFTH THIRD BANCORP59.8K$253KNew
Icahn Capital54K$228.4KNew
INTECH INVESTMENT MANAGEMENT LLC51.3K$216.8K$18.5KAdded$65K
NORTHSTAR ASSET MANAGEMENT Co50K$211.5K$23KAdded$23K
EntryPoint Capital, LLC48.2K$204KNew
OSAIC HOLDINGS, INC.47.3K$199.9K$10.9KAdded$110.6K
Police & Firemen's Retirement System of New Jersey47.1K$199.2K$16KAdded$68.2K
BNP PARIBAS FINANCIAL MARKETS47K$198.9K$12.3KAdded$97.7K
MANUFACTURERS LIFE INSURANCE COMPANY, THE45.7K$193.3K$17.5KAdded$49.9K
INSTRUMENTAL WEALTH, LLC44.9K$190K−$31KCut−$31K
Creative Planning40.6K$171.6KNew
FARALLON CAPITAL MANAGEMENT LLC40K$169.2KNew
NEW YORK STATE COMMON RETIREMENT FUND39K$165K$3.17KAdded$139K
COMMONWEALTH EQUITY SERVICES, LLC38.5K$162.7K$13.5KAdded$52.5K
Accurate Wealth Management, LLC32.6K$158.7KNew
Visionary Horizons, LLC36K$152.3K$16.6KAdded$16.6K
OXFORD ASSET MANAGEMENT LLP35.5K$150.2KNew
AXXCESS WEALTH MANAGEMENT, LLC35.4K$149.6K$16.3KAdded$16.3K
Magnetar Financial LLC35K$148.2KNew
Scientech Research LLC34.1K$144.2K$15.7KCut−$1.83K
BARCLAYS PLC32.4K$137.1K$14.9KCut−$1.79M
E Fund Management Co., Ltd.31.4K$132.6KHeld
Genesee Capital Advisors, LLC30K$126.9K$13.8KAdded$13.8K
VOYA INVESTMENT MANAGEMENT LLC29.3K$123.8K$9.68KAdded$44.5K
Kestra Advisory Services, LLC29.1K$123.3K$12.6KAdded$20K
Millington Financial Advisors, LLC25K$122K$28.7KAdded$28.8K
PRUDENTIAL FINANCIAL INC28.7K$121.4KNew
Scissortail Wealth Management, LLC27.3K$115.6K$12.6KAdded$12.6K
SEI INVESTMENTS CO26.6K$112.4K$12.2KAdded$12.2K
CITIGROUP INC25.6K$108.5K$11.8KCut−$100.7K
SJS Investment Consulting Inc.25K$105.8KNew
ProShare Advisors LLC24.9K$105.4K$10.4KAdded$20K
World Investment Advisors24.6K$104.1K$11.3KCut−$62.2K
Jaffetilchin Investment Partners, LLC24.3K$103K$11.2KAdded$11.2K
Financial Designs Corp23.3K$98.7KNew
INDEPENDENT FINANCIAL GROUP, LLC23.3K$98.3K$10.7KAdded$10.7K
Tower Research Capital LLC (TRC)21.1K$89.3K$2.98KAdded$64.9K
SIMON QUICK ADVISORS, LLC20K$84.6K$9.2KAdded$9.2K
Private Advisor Group, LLC19.5K$82.7K$8.37KAdded$14K
Russell Investments Group, Ltd.18K$76.2K$4.4KAdded$40.1K
Grange Capital, LLC17.7K$74.7K$7.36KAdded$14.3K
VICTORY CAPITAL MANAGEMENT INC16K$67.9K$7.38KAdded$6.24K
Fidelity15.6K$65.8K$3.45KAdded$37.6K
SIG BROKERAGE, LP15.4K$65.3KNew
Legal & General Group Plc15.1K$64.1K$5.99KAdded$14.9K
XPONANCE LLC14.8K$62.7KNew
ELCO Management Co., LLC14.6K$61.8K$6.72KAdded$6.72K
TWO SIGMA SECURITIES, LLC14.4K$61.1K$6.64KCut−$154.2K
Ameritas Investment Partners, Inc.14.1K$59.5K$4.48KAdded$22.8K
BLAIR WILLIAM & CO/IL14K$59.2K$6.44KCut−$38.8K
CWM, LLC13.3K$56.2K$49.8KAdded$56.1K
EWA, LLC12.8K$54.1K$5.89KAdded$5.89K
PRINCIPAL FINANCIAL GROUP INC12.4K$52.6KNew
Verition Fund Management LLC12.3K$51.9KNew
STIFEL FINANCIAL CORP11.5K$48.8K$5.31KCut−$349
Wealthfront Advisers LLC11.4K$48.4KNew
CALTON & ASSOCIATES, INC.11K$46.5K$5.06KAdded$5.06K
ENVESTNET ASSET MANAGEMENT INC10.9K$46.3KNew
&PARTNERS10.9K$46.3KNew
Marex Group plc10.8K$45.8KNew
GTS SECURITIES LLC10.3K$43.7KNew
Concurrent Investment Advisors, LLC10.1K$42.7K$4.64KAdded$4.64K
Integrated Wealth Concepts LLC10K$42.3KNew
Nemes Rush Group LLC10K$42.3K$4.6KAdded$4.6K
FIRST FINANCIAL BANK - TRUST DIVISION10K$42.3KNew
Private Wealth Management Group, LLC10K$42.3K$4.6KAdded$4.6K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM9.34K$39.5K$3.51KAdded$10.7K
Larson Financial Group LLC7.01K$29.7K$3.22KAdded$3.3K
Clearstead Advisors, LLC6.55K$27.7KNew
Quent Capital, LLC5.09K$21.5KNew
Rockefeller Capital Management L.P.5K$21.1K$2.3KAdded$2.3K
ROYAL BANK OF CANADA4.17K$18K$2.19KCut−$11K
NISA INVESTMENT ADVISORS, LLC2.6K$11KNew
Colonial Trust Advisors2.52K$10.6KNew
BELLEVUE ASSET MANAGEMENT, LLC2.51K$10.6KNew
NATIONAL BANK OF CANADA /FI/2.39K$10KNew
Farther Finance Advisors, LLC2.36K$9.94K$154Added$8.62K
Daiwa Securities Group Inc.2.2K$9.31KNew
SBI Securities Co., Ltd.2.19K$9.25K$1.01KCut−$4.29K
Glen Eagle Advisors, LLC2.18K$9.2KNew
Quantbot Technologies LP2.05K$8.67KNew
Atlantic Private Wealth, LLC2K$8.46KNew
Marathon Trading Investment Management LLC1.19K$5.04KNew
Sterling Capital Management LLC1.12K$4.72K$364Added$1.74K
QUADRANT CAPITAL GROUP LLC1.06K$4.48KNew
IFP Advisors, Inc925$3.91KNew
GAMMA Investing LLC815$3.45K$171Added$2.04K
FINANCIAL CONSULATE, INC600$2.54KNew
Sunbelt Securities, Inc.395$1.67KNew
Opus Capital Group, LLC346.5K$1.47K$146Added$270
PNC Financial Services Group, Inc.289$1.22K$130Added$155
Fortitude Family Office, LLC259$1.1KNew
Virtu Financial LLC221.8K$938New
SIGNATUREFD, LLC172$728New
GSA CAPITAL PARTNERS LLP163.3K$691$75Cut−$610
Strategic Wealth Partners, Ltd.150$635New
ROTHSCHILD INVESTMENT LLC127$537$10Added$458
PRICE T ROWE ASSOCIATES INC /MD/122.1K$517$29Added$279
CALDWELL SUTTER CAPITAL, INC.100$423$46Added$46
Root Financial Partners, LLC60$254New
TWIN PEAKS WEALTH ADVISORS, LLC40$169New
Allworth Financial LP26$110New
EverSource Wealth Advisors, LLC22$93New
STONERIDGE INVESTMENT PARTNERS LLC20.3K$86$10Cut−$145
SG Americas Securities, LLC15.2K$64$7Cut−$73
Cambridge Investment Research Advisors, Inc.12.4K$53$6Added$6
Keating Financial Advisory Services, Inc.7$30New
Parkside Financial Bank & Trust2$9$1Added$1
MAI Capital Management2$9New
Bogart Wealth, LLC2$8New
Hughes Financial Services, LLC1$4New
Avion Wealth573$2$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.