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Disclosery

GLSI GREENWICH LIFESCIENCES INC

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COMMON STOCK (common), issuer CIK 1799788

60 managers (64 13F filers) reported a position in GLSI shares at 2026-03-31, 1,713,048 shares in all. 20 filers opened a position and 9 filers sold out during the quarter.

Managers
60
13F filers
64
New
20
Added
18
Reduced
12
Sold out
9
Shares held by filers
1,713,048

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.433,860$10.4M<0.01%+62,39613F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding412,420$9.91MnewTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC155,466$3.74M<0.01%+3,78213F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP133,875$3.22M<0.01%+36,09813F-HRTimelineGroup
Nuveen, LLCin group TIAA88,717$2.13M<0.01%new13F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP75,125$1.8M<0.01%+2,11613F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp46,523$1.12M<0.01%+32,65713F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…39,697$954K<0.01%+39,13713F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC39,521$949K<0.01%+17,97613F-HRTimelineGroup
Ancora Advisors LLCin group Ancora Advisors LLC37,500$901K0.02%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY29,827$716K<0.01%+3,44813F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO26,088$627K<0.01%new13F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP25,658$616K<0.01%new13F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding21,637$520K+15,364Timeline
Informed Momentum Co LLC21,430$515K0.06%new13F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD20,339$489K<0.01%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC17,398$418K<0.01%new13F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co16,603$399K<0.01%-2,43813F-HRTimelineGroup
STRS OHIO13,700$329K<0.01%+8,00013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC9,837$236K<0.01%new13F-HRTimelineGroup
RHUMBLINE ADVISERS8,046$193K<0.01%-4013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\5,162$124K<0.01%-88913F-HRTimelineGroup
FMR LLCin group FMR LLC4,107$98.7K<0.01%+10613F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…3,814$91.6K<0.01%new13F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…3,132$75.2K<0.01%+6813F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP3,200$71.5K<0.01%new13F-HRTimelineGroup
Police & Firemen's Retirement System of…2,768$66.5K<0.01%013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN2,440$58.6K<0.01%-5,40513F-HR/ATimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO2,604$56K<0.01%-7313F-HR/ATimelineGroup
NFSG Corp2,100$50.4K0.01%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS1,732$41.6K<0.01%-10813F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,420$34.1K<0.01%+26413F-HRTimelineGroup
Farther Finance Advisors, LLC1,319$30.3K<0.01%+40013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND1,200$28.8K<0.01%-4,80013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,200$28.8K<0.01%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC1,159$27.8K<0.01%-8,58513F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…585$14.1K<0.01%013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc516$12.4K<0.01%-6513F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC340$8.17K<0.01%+11313F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…339$8.14K<0.01%-4613F-HRTimeline
Washington Trust Advisors, Inc.200$4.8K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.96$2.31K<0.01%013F-HR/ATimelineGroup
Geneos Wealth Management Inc.88$2.11K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC52$1.25K<0.01%+3413F-HRTimelineGroup
North Star Investment Management Corp.51$1.23K<0.01%013F-HRTimeline
Sterling Capital Management LLC40$961<0.01%013F-HRTimeline
GAMMA Investing LLC27$649<0.01%new13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\15$360<0.01%new13F-HRTimelineGroup
Federation des caisses Desjardins du Qu…13$312<0.01%new13F-HRTimeline
Allworth Financial LP12$289<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…10$240<0.01%-713F-HRTimelineGroup
CVA Family Office, LLC10$240<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…8$192<0.01%+313F-HR/ATimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.6$144<0.01%013F-HRTimelineGroup
Root Financial Partners, LLC5$120<0.01%new13F-HRTimeline
Sunbelt Securities, Inc.2$48<0.01%013F-HRTimeline
MAI Capital Management1$25<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC1$24<0.01%new13F-HRTimeline
Arax Advisory Partners1$24<0.01%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA6$00%-99213F-HRTimelineGroupValue filed as zero, left out of ratios.