Marshall Wace’s electroCore ECOR Stock Holding History

Marshall Wace’s Portfolio ECOR Stock Details ECOR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-26,997	Closed	-$438K	–	2729
2024 Q4	$438K	Buy	+26,997	New	+$312K	﹤0.01%	2090
2022 Q2	–	Sell	-23,591	Closed	-$206K	–	3518
2022 Q1	$206K	Sell	23,591 -9,059	-28%	-$82.2K	﹤0.01%	3094
2021 Q4	$283K	Buy	32,650 +1,845	+6%	+$23.4K	﹤0.01%	3051
2021 Q3	$522K	Buy	30,805 +16,296	+112%	+$251K	﹤0.01%	2365
2021 Q2	$259K	Sell	14,509 -4,827	-25%	-$124K	﹤0.01%	2369
2021 Q1	$597K	Buy	+19,336	New	+$663K	﹤0.01%	1876

Other funds holding ECOR

AIC

AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

NewEdge Advisors New Orleans, Louisiana $27.7B AUM 22.98% 1-Year Est. Return

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

WANY

Wealthspire Advisors (New York) New York $12.7B AUM 17.31% 1-Year Est. Return

IAIM

International Assets Investment Management Orlando, Florida $1.67B AUM 28.26% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return

JIP

Jaffetilchin Investment Partners Tampa, Florida $1.68B AUM 22.81% 1-Year Est. Return

Marshall Wace's ECOR Position: Q1 2025 in Review

Marshall Wace sold out of electroCore (ECOR) in Q1 2025, closing a stake of 26,997 shares — an estimated $438K sold.

Marshall Wace first reported a position in ECOR in Q1 2021 and held it in 6 quarters. The position peaked at $597K in Q1 2021. 35 funds tracked by Wall St. Rank hold ECOR as of Q1 2025.

Marshall Wace reported no remaining electroCore position as of Q1 2025 after selling out during the quarter.
Marshall Wace sold 26,997 electroCore shares in Q1 2025, an estimated $438K.
Marshall Wace first reported a position in electroCore in Q1 2021 and held it in 6 quarters.
Marshall Wace's electroCore position peaked at $597K in Q1 2021.
35 funds tracked by Wall St. Rank held electroCore as of Q1 2025.

Based on Marshall Wace's 13F filing for Q1 2025, filed 15 May 2025.