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Ecor1 Capital 13F Portfolio ยท Oleg Nodelman

Portfolio Manager
Oleg Nodelman
Performance
+30.90% (2026 Q2)
AUM (13F)
$2.06B
# of Holdings
31
Performance Rank
Allocation (Top 20)
94.48%
Latest filing
Q2 2026

Ecor1 Capital LLC Holdings Map

Top 27 Ecor1 Capital LLC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
ZYME
ZYMEWORKS INC
29.77%22.97M$600.4M
+0.00%(+0)
2025-Q2: 22.97M shares2025-Q3: 22.97M shares2025-Q4: 22.97M shares2026-Q1: 22.97M shares2026-Q2: 22.97M shares
$9.83(+155.48%)
2026-06-30
ANAB
ANAPTYSBIO INC
26.37%7.88M$531.9M
-33.33%(-3.94M)
2025-Q2: 11.82M shares2025-Q3: 11.82M shares2025-Q4: 11.82M shares2026-Q1: 11.82M shares2026-Q2: 7.88M shares
$14.65(+299.20%)
2026-06-30
AKTS
AKTIS ONCOLOGY INC
7.71%4.82M$155.5M
+0.00%(+0)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 4.82M shares2026-Q2: 4.82M shares
$17.89(+39.35%)
2026-06-30
CGON
CG ONCOLOGY INC
5.26%1.49M$106.2M
+35.60%(+392.30K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 772.0K shares2026-Q1: 1.10M shares2026-Q2: 1.49M shares
$50.91(+48.50%)
2026-06-30
ETON
ETON PHARMACEUTICALS INC
3.9%2.17M$78.6M
+0.00%(+0)
2025-Q2: 2.03M shares2025-Q3: 2.03M shares2025-Q4: 2.03M shares2026-Q1: 2.17M shares2026-Q2: 2.17M shares
$9.42(+524.77%)
2026-06-30
CRSP
CRISPR THERAPEUTICS AG
3.76%1.39M$75.8M
+0.00%(+0)
2025-Q2: 1.39M shares2025-Q3: 1.39M shares2025-Q4: 1.39M shares2026-Q1: 1.39M shares2026-Q2: 1.39M shares
$65.38(-18.09%)
2026-06-30
ORIC
ORIC PHARMACEUTICALS INC
3.61%6.73M$72.9M
+0.00%(+0)
2025-Q2: 1.62M shares2025-Q3: 6.73M shares2025-Q4: 6.73M shares2026-Q1: 6.73M shares2026-Q2: 6.73M shares
$16.01(-13.38%)
2026-06-30
GLPG
LAKEFRONT BIOTHERAPEUTICS NV
2.48%1.67M$50.0M
+0.00%(+0)
2025-Q2: 1.04M shares2025-Q3: 1.67M shares2025-Q4: 1.67M shares2026-Q1: 1.67M shares2026-Q2: 1.67M shares
$30.68(-8.96%)
2026-06-30
NGNE
NEUROGENE INC
1.98%1.27M$40.0M
+0.00%(+0)
2025-Q2: 1.27M shares2025-Q3: 1.27M shares2025-Q4: 1.27M shares2026-Q1: 1.27M shares2026-Q2: 1.27M shares
$17.59(+105.46%)
2026-06-30
STOK
STOKE THERAPEUTICS INC
1.19%735.0K$24.0M
+635.00%(+635.00K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 100.0K shares2026-Q2: 735.0K shares
$32.23(-2.98%)
2026-06-30

About Ecor1 Capital LLCโ€™s portfolio

Ecor1 Capital LLC reports $2.06B in US-listed equity holdings across 31 positions in its most recent 13F filing. Its largest disclosed positions are ZYME (29.8%), ANAB (26.4%) and AKTS (7.7%). The top 20 holdings account for 94.48% of reported assets. Its disclosed equity book has returned -6.65% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
ZYME โ€” 31.0% ($600.45M)ANAB โ€” 27.5% ($531.91M)AKTS โ€” 8.0% ($155.49M)CGON โ€” 5.5% ($106.17M)ETON โ€” 4.1% ($78.62M)CRSP โ€” 3.9% ($75.77M)ORIC โ€” 3.8% ($72.87M)GLPG โ€” 2.6% ($49.98M)NGNE โ€” 2.1% ($39.98M)STOK โ€” 1.2% ($24.05M)Other โ€” 10.4% ($201.53M)
90%in top 10
  • ZYME31.0%
  • ANAB27.5%
  • AKTS8.0%
  • CGON5.5%
  • ETON4.1%
  • CRSP3.9%
  • ORIC3.8%
  • GLPG2.6%
  • NGNE2.1%
  • STOK1.2%
  • Other10.4%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
6
FULCFULCRUM THERAPEUTICS INC1.2%
LEGNLEGEND BIOTECH CORP1.1%
AURAAURA BIOSCIENCES INC0.6%
PHVSPHARVARIS N V0.4%
+2 opened
Added to
3
CGONCG ONCOLOGY INC+35.6%
STOKSTOKE THERAPEUTICS INC+635.0%
ATRAATARA BIOTHERAPEUTICS INC+1458.3%
Trimmed
5
ANABANAPTYSBIO INC-33.3%
RLAYRELAY THERAPEUTICS INC-63.4%
MBXMBX BIOSCIENCES INC-50.0%
ERASERASCA INC-63.3%
+1 more

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Source filings

Holdings on this page are parsed from Ecor1 Capital LLCโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1587114). View Ecor1 Capital LLCโ€™s 13F filings on SEC

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