ECOR1 CAPITAL LLC
Q2 2023 Form 13-F
SAN FRANCISCO, CALIFORNIA
CIK 0001587114
· CRD 167121
· SEC-registered investment adviser
$4.1B Reported Value Total
ECOR1 CAPITAL, LLC reports 5 total accounts under management (AUM). There are 5 discretionary accounts valued at $4,711,772,578, and 0 non-discretionary accounts.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Private funds (Form ADV)
5 funds
· $3.4B gross asset value
Hedge Fund: $3.4B · Venture Capital Fund: $65.4M
Source: Form ADV filed 2026-03-30
Reported value
$4.1B
Quarter over quarter
+13.6%
Holdings
51
Top-10 concentration
75.1%
Filing Structure
Reports holdings for
- NODELMAN OLEG (not a 13F filer in our records) · File #028-16767 · Q4 2014 – Q4 2014
Key People
Form ADV owners & control persons
Sarah Christine Marriott
MEMBER, CCO, COO
Oleg Nmn Nodelman
MANAGER
Scott Eric Perlen
CFO
Filing Navigation
13F Metrics
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Q2 2023 13F record
Q2 2023 13F filing summary
| Period of report | June 30, 2023 |
|---|---|
| Filed | August 14, 2023 |
| Form | 13F-HR |
| Reported value | $4.1B |
| Positions | 51 |
| Change in reported value | +31.4% |
| New positions | 9 |
| Exited positions | 16 |
| Position turnover | 37.3% |
| Top-10 concentration | 75.1% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q2 2026 13F
Filed Aug 14, 2026
|
31 | $2.1B |
|
Q1 2026 13F
Filed May 15, 2026
|
29 | $2.4B |
|
Q4 2025 13F
Filed Feb 17, 2026
|
28 | $2.2B |
|
Q3 2025 13F
Filed Nov 14, 2025
|
30 | $2.1B |
|
Q2 2025 13F
Filed Aug 14, 2025
|
36 | $1.7B |
|
Q1 2025 13F
Filed May 15, 2025
|
44 | $1.7B |
|
Q4 2024 13F
Filed Feb 14, 2025
|
55 | $2.6B |
|
Q3 2024 13F
Filed Nov 14, 2024
|
63 | $2.9B |
|
Q2 2024 13F
Filed Aug 14, 2024
|
55 | $3.3B |
|
Q1 2024 13F
Filed May 15, 2024
|
57 | $4.0B |
|
Q4 2023 13F
Filed Feb 14, 2024
|
51 | $3.9B |
|
Q3 2023 13F
Filed Nov 14, 2023
|
49 | $3.0B |
|
Q2 2023 13F
Filed Aug 14, 2023
|
51 | $4.1B |
|
Q1 2023 13F
Filed May 15, 2023
|
58 | $3.1B |
|
Q4 2022 13F
Filed Feb 14, 2023
|
66 | $3.3B |
|
Q3 2022 13F
Filed Nov 14, 2022
|
75 | $3.4B |
|
Q2 2022 13F
Filed Aug 15, 2022
|
78 | $2.9B |
|
Q1 2022 13F
Filed May 16, 2022
|
86 | $3.2B |
|
Q4 2021 13F
Filed Feb 14, 2022
|
75 | $3.1B |
|
Q3 2021 13F
Filed Nov 15, 2021
|
69 | $2.9B |
27 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q2 2023
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | PRTA PROTHENA CORP PLC | $791.0M | 19.38% |
| 2 | APLS APELLIS PHARMACEUTICALS INC | $496.6M | 12.17% |
| 3 | SRPT SAREPTA THERAPEUTICS INC | $419.2M | 10.27% |
| 4 | JNJ C JOHNSON & JOHNSON | $281.4M | 6.89% |
| 5 | LKFT GALAPAGOS NV | $234.0M | 5.73% |
| 6 | MORF MORPHIC HLDG INC | $220.5M | 5.4% |
| 7 | RVMD REVOLUTION MEDICINES INC | $192.6M | 4.72% |
| 8 | ANAB ANAPTYSBIO INC | $153.0M | 3.75% |
| 9 | ACAD ACADIA PHARMACEUTICALS INC | $143.5M | 3.52% |
| 10 | XNCR XENCOR INC | $131.9M | 3.23% |
| 11 | ZYME ZYMEWORKS INC | $116.1M | 2.84% |
| 12 | BPMC BLUEPRINT MEDICINES CORP | $113.7M | 2.78% |
| 13 | ARVN ARVINAS INC | $99.7M | 2.44% |
| 14 | SWTX SPRINGWORKS THERAPEUTICS INC | $90.7M | 2.22% |
| 15 | KURA KURA ONCOLOGY INC | $61.4M | 1.51% |
| 16 | RLAY RELAY THERAPEUTICS INC | $52.3M | 1.28% |
| 17 | JAZZ JAZZ PHARMACEUTICALS PLC | $45.7M | 1.12% |
| 18 | VYGR VOYAGER THERAPEUTICS INC | $44.1M | 1.08% |
| 19 | CNTA CENTESSA PHARMACEUTICALS PLC | $34.8M | 0.85% |
| 20 | EWTX EDGEWISE THERAPEUTICS INC | $27.1M | 0.66% |
Values as reported on the Q2 2023 Form 13F. Every position is in the holdings table below.