Ticker · CUSIP 29664W105
Holders (tracked)
10
Combined shares
20,407,373
Combined value
$75.51M
Last close
$2.04
Quarter
2025Q4
Price · 1Y$2.04+1.09 (+114.74%)H $4.08 · L $0.73 · Avg Vol 5.7M
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is -44.9% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
17 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−780,261 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+6,694,850 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+2,503,464 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+2,957,418 shares · 2025Q4Position
- Steve Cohen (Point72) exited2026-02-17−2,201 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+35,749 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−40,116 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+5,608 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+1,420,700 shares · 2025Q4Position
- AQR Capital Management added2025-11-14+100,539 shares · 2025Q3Position
- Steve Cohen (Point72) opened position2025-11-14+2,201 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+410,624 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+522,206 shares · 2025Q3Position
- Wellington Management opened position2025-11-14+681,294 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+208,633 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+18,376 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+481,500 shares · 2025Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of ESPR…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| AQR Capital Management | 2017Q2 | $2.22 | -8.1% | $593K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $3.17 | -35.6% | $842K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $3.17 | -35.6% | $842K |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $3.17 | -35.6% | $842K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $3.33 | -38.8% | $8.0M |
| Wellington Management | 2017Q2 | $3.40 | -40.0% | $1.3M |
| Renaissance Technologies | 2016Q1 | $3.45 | -40.8% | $4.5M |
| Two Sigma Investments | 2017Q1 | $3.58 | -43.1% | $9.7M |
| D.E. Shaw & Co. | 2016Q3 | $3.68 | -44.5% | $14.1M |
| T. Rowe Price | 2016Q1 | $3.69 | -44.8% | $385K |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to6
- D.E. Shaw & Co.+6,694,850$24.8M
- Izzy Englander (Millennium Mgmt)+2,957,418$10.9M
- Two Sigma Investments+2,503,464$9.3M
- Renaissance Technologies+1,420,700$5.3M
- AQR Capital Management+5,608$21K
- T. Rowe Price+35,749$132
Trimmed2
- Ken Griffin (Citadel Advisors)−780,261$2.9M
- Wellington Management−40,116$148K
Exited1
- Steve Cohen (Point72)−2,201$6K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $31.7M |
| 2022Q2 | 12 | $64.8M |
| 2022Q3 | 13 | $80.3M |
| 2022Q4 | 13 | $94.9M |
| 2023Q1 | 12 | $25.3M |
| 2023Q2 | 11 | $17.0M |
| 2023Q3 | 12 | $13.5M |
| 2023Q4 | 10 | $30.5M |
| 2024Q1 | 12 | $51.0M |
| 2024Q2 | 13 | $65.3M |
| 2024Q3 | 10 | $15.8M |
| 2024Q4 | 9 | $17.4M |
| 2025Q1 | 9 | $10.8M |
| 2025Q2 | 8 | $5.5M |
| 2025Q3 | 11 | $19.5M |
| 2025Q4 | 10 | $75.5M |
Who owns ESPR
10 super-investors · 2025Q4
Tracked stake
20.41M
shares
Combined value
$76M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added6Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 6.90M | $26M |
| 2 | Two Sigma Investments | 4.74M | $18M |
| 3 | Izzy Englander Millennium Mgmt | 3.93M | $15M |
| 4 | Renaissance Technologies | 2.19M | $8M |
| 5 | Ken Griffin Citadel Advisors | 750.1K | $3M |
| 6 | Wellington Management | 641.2K | $2M |
| 7 | Ken Griffin Citadel Advisors | 412.8K | $2M |
| 8 | Ken Griffin Citadel Advisors | 351.7K | $1M |
| 9 | AQR Capital Management | 290.5K | $1M |
| 10 | T. Rowe Price | 188.6K | $698K |
Recent moves
20 transactions
- +2,503,464 · 2025Q4
- +2,957,418 · 2025Q4
- −780,261 · 2025Q4
- −40,116 · 2025Q4
- +5,608 · 2025Q4
- −2,201 · 2025Q4
- +6,694,850 · 2025Q4
- +35,749 · 2025Q4
- +1,420,700 · 2025Q4
- +18,376 · 2025Q3
- +410,624 · 2025Q3
- +681,294 · 2025Q3
- +522,206 · 2025Q3
- +2,201 · 2025Q3
- +100,539 · 2025Q3
- +208,633 · 2025Q3
- +481,500 · 2025Q3
- −508,385 · 2025Q2
- −903,293 · 2025Q2
- SOLDD.E. Shaw & Co.−275,707 · 2025Q2
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