Ticker · CUSIP 28531P202

ECOR

ELECTROCORE INC
···Share
Holders (tracked)
3
Combined shares
108,551
Combined value
$486.9K
Last close
$6.50
Quarter
2025Q4
Price · 1Y$6.50+0.48 (+7.97%)H $8.15 · L $4.31 · Avg Vol 82K
Position opened
$5.00$6.00$7.00$8.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
312024Q12025Q4
Price is +44.9% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

6 events
  1. Goldberger Daniel S · Former Officer and Director
    2026-04-10
    Sold $96.8K @ $6.02
    Insider sell
  2. Ken Griffin (Citadel Advisors) opened position2026-02-17
    +34,644 shares · 2025Q4
    Position
  3. Two Sigma Investments trimmed2026-02-17
    −5,182 shares · 2025Q4
    Position
  4. Renaissance Technologies trimmed2026-02-12
    −45,800 shares · 2025Q4
    Position
  5. Two Sigma Investments added2025-11-14
    +4,231 shares · 2025Q3
    Position
  6. Renaissance Technologies trimmed2025-11-13
    −80,400 shares · 2025Q3
    Position

Insider activity

Last 30 days
Net (open-market)
−$96.8K
Buys
0 · $0
Sells
1 · $96.8K
Unique insiders
2
DateInsiderCodeSharesPriceValue
04-13Fox Michael
Chief Operating Officer · Officer
A70,000—$0
04-10Goldberger Daniel S
Former Officer and Director · Insider
S16,072$6.02$96.8K
View full insider history for ECOR →
Follow-the-investor returns
If you'd copied each holder of ECOR…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2025Q4$4.48+44.9%$225K
Two Sigma Investments2025Q2$5.22+24.4%$126K
Renaissance Technologies2023Q1$9.39-30.8%$354K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed2
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2023Q1
2
$174K
2023Q2
2
$209K
2023Q3
2
$260K
2023Q4
2
$289K
2024Q1
1
$410K
2024Q2
2
$473K
2024Q3
1
$527K
2024Q4
1
$2.1M
2025Q1
1
$1.2M
2025Q2
2
$1.1M
2025Q3
2
$618K
2025Q4
3
$487K

Who owns ECOR

3 super-investors · 2025Q4
Tracked stake
108.6K
shares
Combined value
$487K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim2
#ManagerSharesValue
1Renaissance Technologies54.5K$244K
2Ken Griffin
Citadel Advisors
34.6K$155K
3Two Sigma Investments19.4K$87K

Recent moves

20 transactions
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