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Kingdon Capital Management L L C 13F Portfolio ยท Mark Kingdon

Portfolio Manager
Mark Kingdon
Performance
+16.87% (2026 Q2)
AUM (13F)
$976.17M
# of Holdings
57
Performance Rank
Allocation (Top 20)
61.18%
Latest filing
Q2 2026

Kingdon Capital Management L L C Holdings Map

Top 50 Kingdon Capital Management L L C Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
SNDX
SYNDAX PHARMACEUTICALS INC
7.37%2.50M$54.6M
+0.00%(+0)
2025-Q2: 2.10M shares2025-Q3: 2.50M shares2025-Q4: 2.35M shares2026-Q1: 2.50M shares2026-Q2: 2.50M shares
$16.84(+17.78%)
2026-06-30
NVDA
NVIDIA CORPORATION
6.48%240.0K$48.0M
+20.00%(+40.00K)
2025-Q2: 136.5K shares2025-Q3: 117.5K shares2025-Q4: 145.0K shares2026-Q1: 200.0K shares2026-Q2: 240.0K shares
$152.57(+48.17%)
2026-06-30
WRBY
WARBY PARKER INC
4.61%1.13M$34.2M
+6.93%(+73.00K)
2025-Q2: 0 shares2025-Q3: 350.0K shares2025-Q4: 1.05M shares2026-Q1: 1.05M shares2026-Q2: 1.13M shares
$24.75(+4.69%)
2026-06-30
APG
API GROUP CORP
3.43%600.0K$25.4M
+33.33%(+150.00K)
2025-Q2: 337.5K shares2025-Q3: 325.0K shares2025-Q4: 375.0K shares2026-Q1: 450.0K shares2026-Q2: 600.0K shares
$23.02(+90.92%)
2026-06-30
KEYS
KEYSIGHT TECHNOLOGIES INC
3.3%70.0K$24.5M
-12.50%(-10.00K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 130.0K shares2026-Q1: 80.0K shares2026-Q2: 70.0K shares
$189.06(+89.27%)
2026-06-30
NXE
NEXGEN ENERGY LTD
3.17%2.50M$23.5M
+0.00%(+0)
2025-Q2: 1.98M shares2025-Q3: 2.18M shares2025-Q4: 2.50M shares2026-Q1: 2.50M shares2026-Q2: 2.50M shares
$7.00(+48.49%)
2026-06-30
GRAL
GRAIL INC
3.13%340.0K$23.2Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 0 shares2026-Q2: 340.0K shares
$57.58(+18.68%)
2026-06-30
TSM
TAIWAN SEMICONDUCTOR MANUFAC
2.9%45.0K$21.5M
+0.00%(+0)
2025-Q2: 42.5K shares2025-Q3: 42.5K shares2025-Q4: 40.0K shares2026-Q1: 45.0K shares2026-Q2: 45.0K shares
$132.14(+223.04%)
2026-06-30
ECG
EVERUS CONSTR GROUP
2.8%125.0K$20.7M
+0.00%(+0)
2025-Q2: 200.0K shares2025-Q3: 200.0K shares2025-Q4: 200.0K shares2026-Q1: 125.0K shares2026-Q2: 125.0K shares
$65.75(+114.51%)
2026-06-30
HIMS
HIMS & HERS HEALTH INC
2.54%542.5K$18.8Mnew2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 170.0K shares2026-Q1: 0 shares2026-Q2: 542.5K shares
$32.32(-12.92%)
2026-06-30

About Kingdon Capital Management L L Cโ€™s portfolio

Kingdon Capital Management L L C reports $976.17M in US-listed equity holdings across 57 positions in its most recent 13F filing. Its largest disclosed positions are SNDX (7.4%), NVDA (6.5%) and WRBY (4.6%). The top 20 holdings account for 61.18% of reported assets. Its disclosed equity book has returned +80.07% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
SNDX โ€” 7.5% ($54.65M)NVDA โ€” 6.6% ($48.02M)WRBY โ€” 4.7% ($34.18M)APG โ€” 3.5% ($25.41M)KEYS โ€” 3.4% ($24.50M)NXE โ€” 3.2% ($23.48M)GRAL โ€” 3.2% ($23.21M)TSM โ€” 3.0% ($21.49M)ECG โ€” 2.9% ($20.74M)HIMS โ€” 2.6% ($18.81M)Other โ€” 59.5% ($432.75M)
40%in top 10
  • SNDX7.5%
  • NVDA6.6%
  • WRBY4.7%
  • APG3.5%
  • KEYS3.4%
  • NXE3.2%
  • GRAL3.2%
  • TSM3.0%
  • ECG2.9%
  • HIMS2.6%
  • Other59.5%

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
17
GRALGRAIL INC3.1%
HIMSHIMS & HERS HEALTH INC2.5%
FLNCFLUENCE ENERGY INC2.4%
ILMNILLUMINA INC2.3%
+13 opened
Added to
11
NVDANVIDIA CORPORATION+20.0%
APGAPI GROUP CORP+33.3%
TDYTELEDYNE TECHNOLOGIES INC+42.9%
REALTHE REALREAL INC+103.3%
+7 more
Trimmed
16
FLEXFLEX LTD-48.6%
CRDOCREDO TECHNOLOGY GROUP HOLDI-66.9%
GTXGARRETT MOTION INC-46.4%
RALRALLIANT CORP-40.0%
+12 more

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Source filings

Holdings on this page are parsed from Kingdon Capital Management L L Cโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1000097). View Kingdon Capital Management L L Cโ€™s 13F filings on SEC

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