Stock Ownership/ECOR

ELECTROCORE INC (ECOR): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ECOR · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
4
13F filers
Aggregate Value
$945K
Across holders
Last Price
$9.65
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity2 increased1 reduced2 exited
Full exits: BALYASNY ASSET MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP
Institutional Holders of ECOR
↗
4 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund44K$378K40.1%0.0%Added—Q2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund44K$377K39.9%0.0%Added—Q2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund20K$172K18.2%0.0%Reduced$-212KQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund2K$17K1.8%0.0%Unchanged+$0Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$378K· 40.1% of total· 0.0% port· 44K sh· — QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$377K· 39.9% of total· 0.0% port· 44K sh· — QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$172K· 18.2% of total· 0.0% port· 20K sh· $-212K QoQ· Q2 2026
Rockefeller Capital Management L.P.Unchanged
Hedge Fund
$17K· 1.8% of total· 0.0% port· 2K sh· +$0 QoQ· Q2 2026
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