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
2026 Q2	$377K	Buy	+43,672	New	+$326K	﹤0.01%	2626
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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

FCM

FourWorld Capital Management New York $110M AUM 44.07% 1-Year Est. Return

Wexford Capital West Palm Beach, Florida $782M AUM 62.56% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

WANY

Wealthspire Advisors (New York) New York $18.2B AUM 21.48% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return

Marshall Wace's ECOR Position: Q2 2026 in Review

Marshall Wace opened a new position in electroCore (ECOR) in Q2 2026: 43,672 shares worth $377K. The stake represents ﹤0.01% of the portfolio and ranks #2626 among its holdings. This is a return to the name: Marshall Wace previously reported a position in ECOR as recently as Q4 2024.

Marshall Wace first reported a position in ECOR in Q1 2021 and has held it in 7 quarters since. The position peaked at $597K in Q1 2021. 32 funds tracked by Wall St. Rank hold ECOR as of Q2 2026.

Marshall Wace held 43,672 shares of electroCore worth $377K as of Q2 2026.
electroCore was a new Marshall Wace position in Q2 2026.
electroCore made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2626 holding.
Marshall Wace first reported a position in electroCore in Q1 2021 and has held it in 7 quarters since.
Marshall Wace's electroCore position peaked at $597K in Q1 2021.
32 funds tracked by Wall St. Rank held electroCore as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.