Greenwich LifeSciences, Inc.

GLSI

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001799788

SEC filings (opens in a new tab)

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.

Q3 2023 vs. Q2 2023

How the institutions holding Greenwich LifeSciences, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023 All holders in Q2 2023

13F holders of GLSI: Q2 2023 compared with Q3 2023
Measure	Q2 2023	Q3 2023	Change
Holders	23	24	+1
Shares	628.8K	537.4K	−91.4K (−14.5%)
Value	$6.06M	$4.75M	−$1.31M (−21.7%)

New holders (2)

Institutions that held Greenwich LifeSciences, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to GLSI in Q3 2023
Institution	Shares	Value	% of portfolio
Squarepoint Ops LLC	10,970	$97.0K	0.00%
Qube Research & Technologies Ltd	1,310	$11.6K	0.00%

Sold out (1)

Institutions that held Greenwich LifeSciences, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of GLSI in Q3 2023
Institution	Shares, Q2 2023	Value, Q2 2023
HRT Financial LP	10,136	$97.0K