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Greenwich LifeSciences, Inc.

GLSI
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001799788

In the last 90 days, Greenwich LifeSciences, Inc. insiders filed 3 open-market purchases and 0 sales; 57 institutions reported holding it in 13F filings for Q2 2026, worth $39.6M in total; no superinvestor holds it.

13F holders, Q2 2025

Institutional positions in Greenwich LifeSciences, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
51
+6 vs. Q1 2025
Shares held
1.23M
+156.7K (+14.6%) vs. Q1 2025
Total value
$11.2M
+$917.8K (+9.0%) vs. Q1 2025
New holders
9
20 more added
Sold out
3
10 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GLSI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 51 institutions
Q1 2021: 19 institutionsQ2 2021: 30 institutionsQ3 2021: 36 institutionsQ4 2021: 35 institutionsQ1 2022: 34 institutionsQ2 2022: 34 institutionsQ3 2022: 21 institutionsQ4 2022: 22 institutionsQ1 2023: 28 institutionsQ2 2023: 23 institutionsQ3 2023: 24 institutionsQ4 2023: 27 institutionsQ1 2024: 31 institutionsQ2 2024: 34 institutionsQ3 2024: 39 institutionsQ4 2024: 42 institutionsQ1 2025: 46 institutionsQ2 2025: 51 institutionsQ3 2025: 51 institutionsQ4 2025: 50 institutionsQ1 2026: 64 institutionsQ2 2026: 57 institutions
Value heldQ2 2025: $11.2M
Q1 2021: $8.90MQ2 2021: $36.4MQ3 2021: $31.9MQ4 2021: $19.4MQ1 2022: $18.3MQ2 2022: $8.74MQ3 2022: $7.21MQ4 2022: $10.2MQ1 2023: $11.4MQ2 2023: $6.06MQ3 2023: $4.75MQ4 2023: $5.64MQ1 2024: $12.9MQ2 2024: $17.6MQ3 2024: $16.4MQ4 2024: $13.3MQ1 2025: $11.1MQ2 2025: $11.2MQ3 2025: $12.1MQ4 2025: $27.9MQ1 2026: $41.1MQ2 2026: $39.6M
Institutions holding GLSI and their total value by quarter
QuarterHoldersValue
Q2 202657$39.6M
Q1 202664$41.1M
Q4 202550$27.9M
Q3 202551$12.1M
Q2 202551$11.2M
Q1 202546$11.1M
Q4 202442$13.3M
Q3 202439$16.4M
Q2 202434$17.6M
Q1 202431$12.9M
Q4 202327$5.64M
Q3 202324$4.75M
Q2 202323$6.06M
Q1 202328$11.4M
Q4 202222$10.2M
Q3 202221$7.21M
Q2 202234$8.74M
Q1 202234$18.3M
Q4 202135$19.4M
Q3 202136$31.9M
Q2 202130$36.4M
Q1 202119$8.90M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Greenwich LifeSciences, Inc.; share changes are against Q1 2025.

Institutions holding GLSI in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Advisor Group Holdings, Inc.5$450.00%+5New
Jones Financial Companies LLLP10$900.00%+10New
Sterling Capital Management LLC14$1270.00%+8+133.3%Added
Nisa Investment Advisors, LLC27$2450.00%−38−58.5%Reduced
SBI Securities Co., Ltd.30$2720.00%00.0%Unchanged
EverSource Wealth Advisors, LLC32$2900.00%+29+966.7%Added
Global Retirement Partners, LLC45$4080.00%+45New
Hopwood Financial Services, Inc.50$4540.00%00.0%Unchanged
North Star Investment Management Corp.51$4630.00%00.0%Unchanged
Geneos Wealth Management Inc.88$7980.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec100$9070.00%00.0%Unchanged
CWM, LLC59$1.00K0.00%+19+47.5%Added
Washington Trust Advisors, Inc.200$1.81K0.00%00.0%Unchanged
Amalgamated Bank207$2.00K0.00%00.0%Unchanged
Skopos Labs, Inc.244$2.21K0.00%+244New
Russell Investments Group, Ltd.388$3.52K0.00%+220+131.0%Added
California State Teachers Retirement System433$3.93K0.00%00.0%Unchanged
Founders Capital Management500$4.54K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.585$5.31K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA640$5.80K0.00%+216+50.9%Added
Royal Bank of Canada647$6.00K0.00%−1,087−62.7%Reduced
Legal & General Group Plc662$6.00K0.00%00.0%Unchanged
Raymond James Financial Inc718$6.51K0.00%+718New
UBS Group AG1,845$16.7K0.00%−1,351−42.3%Reduced
Newbridge Financial Services Group, Inc.2,100$19.0K0.00%+800+61.5%Added
Citigroup Inc2,166$19.6K0.00%−2,173−50.1%Reduced
Police & Firemen's Retirement System of New Jersey2,768$25.1K0.00%+2,768New
JPMorgan Chase & Co2,880$26.1K0.00%−175−5.7%Reduced
FMR LLC3,042$27.6K0.00%+2,579+557.0%Added
Wells Fargo & Company3,150$28.6K0.00%+239+8.2%Added
Tower Research Capital LLC (TRC)3,263$29.6K0.00%+2,256+224.0%Added
Mirae Asset Global ETFs Holdings Ltd.3,482$31.6K0.00%−156−4.3%Reduced
Bank of America Corp5,240$47.5K0.00%−122−2.3%Reduced
New York State Common Retirement Fund6,000$54.4K0.00%00.0%Unchanged
Rhumbline Advisers8,975$81.4K0.00%−698−7.2%Reduced
Barclays PLC10,582$96.0K0.00%+3,949+59.5%Added
Morgan Stanley11,766$106.7K0.00%+2,219+23.2%Added
Citadel Advisors LLC13,768$124.9K0.00%+454+3.4%Added
Bank of New York Mellon Corp14,596$132.4K0.00%+3,393+30.3%Added
Goldman Sachs Group Inc16,498$149.6K0.00%+16,498New
HighTower Advisors, LLC16,967$153.9K0.00%+1,560+10.1%Added
Charles Schwab Investment Management Inc19,049$172.8K0.00%+42+0.2%Added
STRS Ohio20,000$181.4K0.00%+1,400+7.5%Added
Renaissance Technologies LLC27,300$247.6K0.00%+14,800+118.4%Added
Millennium Management LLC34,181$310.0K0.00%+34,181New
Marshall Wace, LLP56,142$509.2K0.00%+56,142New
State Street Corp82,247$746.0K0.00%+7,039+9.4%Added
Northern Trust Corp82,779$750.8K0.00%−1,854−2.2%Reduced
Geode Capital Management, LLC138,982$1.26M0.00%+1,972+1.4%Added
Vanguard Group Inc269,002$2.44M0.00%−1,304−0.5%Reduced
BlackRock, Inc.367,181$3.33M0.00%+14,990+4.3%Added
Corebridge Financial, Inc.0$00.00%−2,985−100.0%Sold out
GAMMA Investing LLC0$00.00%−126−100.0%Sold out
True Wealth Design, LLC0$00.00%−2−100.0%Sold out
Credit Agricole S A––––Not filed