Marshall Wace’s Greenwich LifeSciences GLSI Stock Holding History

Marshall Wace’s Portfolio GLSI Stock Details GLSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$616K	Buy	+25,658	New	+$669K	﹤0.01%	2355
2025 Q4	–	Sell	-32,051	Closed	-$319K	–	3150
2025 Q3	$319K	Sell	32,051 -24,091	-43%	-$272K	﹤0.01%	2405
2025 Q2	$509K	Buy	+56,142	New	+$534K	﹤0.01%	2137
2023 Q2	–	Sell	-43,031	Closed	-$593K	–	2642
2023 Q1	$593K	Buy	43,031 +528	+1%	+$8.38K	﹤0.01%	2029
2022 Q4	$646K	Sell	42,503 -34,420	-45%	-$394K	﹤0.01%	2268
2022 Q3	$702K	Sell	76,923 -12,813	-14%	-$119K	﹤0.01%	2580
2022 Q2	$760K	Buy	89,736 +68,831	+329%	+$789K	﹤0.01%	2593
2022 Q1	$410K	Buy	20,905 +3,186	+18%	+$64.4K	﹤0.01%	2859
2021 Q4	$431K	Buy	+17,719	New	+$593K	﹤0.01%	2878

Other funds holding GLSI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return

Marshall Wace's GLSI Position: Q1 2026 in Review

Marshall Wace opened a new position in Greenwich LifeSciences (GLSI) in Q1 2026: 25,658 shares worth $616K. The stake represents ﹤0.01% of the portfolio and ranks #2355 among its holdings. This is a return to the name: Marshall Wace previously reported a position in GLSI as recently as Q3 2025.

Marshall Wace first reported a position in GLSI in Q4 2021 and has held it in 9 quarters since. The position peaked at $760K in Q2 2022. 64 funds tracked by Wall St. Rank hold GLSI as of Q1 2026.

Marshall Wace held 25,658 shares of Greenwich LifeSciences worth $616K as of Q1 2026.
Greenwich LifeSciences was a new Marshall Wace position in Q1 2026.
Greenwich LifeSciences made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2355 holding.
Marshall Wace first reported a position in Greenwich LifeSciences in Q4 2021 and has held it in 9 quarters since.
Marshall Wace's Greenwich LifeSciences position peaked at $760K in Q2 2022.
64 funds tracked by Wall St. Rank held Greenwich LifeSciences as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.