Kingdon Capital Management, L.L.C. reported 55 positions worth $730.89M for the quarter ended Jun 30, 2026, up 31.6% on the prior quarter. It opened 18 new positions, added to 11, trimmed 17 and exited 11. Its largest holding is Syndax Pharmaceuticals Inc at 7.5% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| GRAL GRAIL, Inc. | +340.0K | – | $23.21M | 3.18% |
| HIMS Hims & Hers Health, Inc. | +542.5K | – | $18.81M | 2.57% |
| FLNC Fluence Energy, Inc. | +900.0K | – | $17.89M | 2.45% |
| ILMN Illumina, Inc. | +97.8K | – | $17.20M | 2.35% |
| ISRG Intuitive Surgical Inc | +37.1K | – | $14.75M | 2.02% |
| BFLY Butterfly Network, Inc. | +1.70M | – | $14.31M | 1.96% |
| CYTK Cytokinetics Inc | +157.1K | – | $13.38M | 1.83% |
| PWR Quanta Services, Inc. | +16.0K | – | $11.52M | 1.58% |
| FDX Fedex Corp | +35.0K | – | $10.96M | 1.5% |
| ITT Itt Inc. | +50.0K | – | $9.89M | 1.35% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| FLEX Flex Ltd. | -85.0K | -48.6% | $13.78M | 2% |
| CRDO Credo Technology Group Holding Ltd | -43.5K | -66.9% | $11.83M | 0.8% |
| GTX Garrett Motion Inc. | -325.0K | -46.4% | $11.77M | 1.86% |
| ICLR Icon Plc | -105.3K | -100.0% | $11.65M | Exited |
| SRAD Sportradar Group AG | -674.0K | -100.0% | $11.28M | Exited |
| WAY Waystar Holding Corp. | -438.0K | -100.0% | $10.56M | Exited |
| ACHC Acadia Healthcare Company, Inc. | -396.2K | -100.0% | $9.27M | Exited |
| CNL Collective Mining Ltd. | -425.0K | -100.0% | $7.48M | Exited |
| RAL Ralliant Corp | -100.0K | -40.0% | $7.36M | 1.51% |
| AIR Aar Corp | -47.5K | -47.5% | $6.79M | 1.03% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| GRAL GRAIL, Inc. | +340.0K | $23.21M | 3.18% |
| HIMS Hims & Hers Health, Inc. | +542.5K | $18.81M | 2.57% |
| FLNC Fluence Energy, Inc. | +900.0K | $17.89M | 2.45% |
| ILMN Illumina, Inc. | +97.8K | $17.20M | 2.35% |
| ISRG Intuitive Surgical Inc | +37.1K | $14.75M | 2.02% |
| BFLY Butterfly Network, Inc. | +1.70M | $14.31M | 1.96% |
| CYTK Cytokinetics Inc | +157.1K | $13.38M | 1.83% |
| PWR Quanta Services, Inc. | +16.0K | $11.52M | 1.58% |
| FDX Fedex Corp | +35.0K | $10.96M | 1.5% |
| ITT Itt Inc. | +50.0K | $9.89M | 1.35% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| ICLR Icon Plc | -105.3K | $11.65M | 2.1% |
| SRAD Sportradar Group AG | -674.0K | $11.28M | 2.03% |
| WAY Waystar Holding Corp. | -438.0K | $10.56M | 1.9% |
| ACHC Acadia Healthcare Company, Inc. | -396.2K | $9.27M | 1.67% |
| CNL Collective Mining Ltd. | -425.0K | $7.48M | 1.35% |
| GXO GXO Logistics, Inc. | -125.0K | $6.48M | 1.17% |
| AXON Axon Enterprise, Inc. | -14.5K | $6.16M | 1.11% |
| FPS Forgent Power Solutions, Inc. | -200.0K | $5.85M | 1.05% |
| LOW Lowes Companies Inc | -21.3K | $5.02M | 0.904% |
| TTEK Tetra Tech Inc | -100.0K | $3.01M | 0.542% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | SNDX Syndax Pharmaceuticals Inc | Healthcare | 2.50M | $54.65M | 7.48% | 0 | 0.0% | Unchanged | 2.8% |
| 2 | NVDA Nvidia Corp | Technology | 240.0K | $48.02M | 6.57% | +40.0K | +20.0% | Added | 0% |
| 3 | WRBY Warby Parker Inc. | Consumer Discretionary | 1.13M | $34.18M | 4.68% | +73.0K | +6.9% | Added | 1.05% |
| 4 | APG APi Group Corp | Industrials | 600.0K | $25.41M | 3.48% | +150.0K | +33.3% | Added | 0.14% |
| 5 | KEYS Keysight Technologies, Inc. | Technology | 70.0K | $24.50M | 3.35% | -10.0K | -12.5% | Reduced | 0.04% |
| 6 | NXE NexGen Energy Ltd. | Energy | 2.50M | $23.48M | 3.21% | 0 | 0.0% | Unchanged | 0.42% |
| 7 | GRAL GRAIL, Inc. | Healthcare | 340.0K | $23.21M | 3.18% | +340.0K | – | New | 0.76% |
| 8 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 45.0K | $21.49M | 2.94% | 0 | 0.0% | Unchanged | 0% |
| 9 | ECG Everus Construction Group, Inc. | Industrials | 125.0K | $20.74M | 2.84% | 0 | 0.0% | Unchanged | 0.24% |
| 10 | HIMS Hims & Hers Health, Inc. | Healthcare | 542.5K | $18.81M | 2.57% | +542.5K | – | New | 0.24% |
| 11 | CART Maplebear Inc. | Technology | 380.0K | $17.99M | 2.46% | -90.0K | -19.1% | Reduced | 0.16% |
| 12 | FLNC Fluence Energy, Inc. | Industrials | 900.0K | $17.89M | 2.45% | +900.0K | – | New | 0.65% |
| 13 | ILMN Illumina, Inc. | Healthcare | 97.8K | $17.20M | 2.35% | +97.8K | – | New | 0.06% |
| 14 | TDY Teledyne Technologies Inc | Industrials | 25.0K | $16.67M | 2.28% | +7,500 | +42.9% | Added | 0.05% |
| 15 | HWM Howmet Aerospace Inc. | Industrials | 60.0K | $16.13M | 2.21% | -10.0K | -14.3% | Reduced | 0.01% |
Tip. Select a row to see that position’s full history at Kingdon Capital Management, L.L.C.
As of its Q2 2026 13F filing, Kingdon Capital Management, L.L.C.’s five largest positions were Syndax Pharmaceuticals Inc (SNDX) at 7.5%, Nvidia Corp (NVDA) at 6.6%, Warby Parker Inc. (WRBY) at 4.7%, APi Group Corp (APG) at 3.5%, Keysight Technologies, Inc. (KEYS) at 3.4% of the reported portfolio.
Kingdon Capital Management, L.L.C. reported a 13F portfolio worth $730.89M across 55 positions for Q2 2026. That is up 31.6% from the previous quarter.
Its largest purchases by value were GRAIL, Inc. ($23.21M), Hims & Hers Health, Inc. ($18.81M), Fluence Energy, Inc. ($17.89M). It opened 18 new positions.
Its largest sales by value were Flex Ltd. ($13.78M), Credo Technology Group Holding Ltd ($11.83M), Garrett Motion Inc. ($11.77M). It exited 11 positions entirely.
From the Form 13F-HR reports Kingdon Capital Management, L.L.C. files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.