Kingdon Capital Management, L.L.C.

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Kingdon Capital Management, L.L.C. reported 54 stock positions worth $517.9 million. Its top holding was Nvidia (NVDA) at 4.2% of the portfolio, followed by Syndax Pharmaceuticals (SNDX, 3.8%) and CRH (CRH, 3.5%). Compared with Q1 2025, it opened 15 new positions, sold out of 15, added to 14 and reduced 17. The biggest buy was a new position in Sandisk (SNDK) and the biggest sale an exit from International Paper (IP).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001000097
Portfolio Value
$517.9M (Q2 2025)
SEC Filing
0001000097-25-000018 ↗ filed Aug 14, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $755.8M Q1 2024 Q2 2024: $647.7M Q2 2024 Q3 2024: $681.3M Q3 2024 Q4 2024: $585.1M Q4 2024 Q1 2025: $482.7M Q1 2025 Q2 2025: $517.9M $517.9M Q2 2025 Q3 2025: $638.2M Q3 2025 Q4 2025: $653.5M Q4 2025 Q1 2026: $597.1M Q1 2026 Q2 2026: $741.6M Q2 2026

Holdings 54 stocks · $517.9M

NVDA Nvidia Corp. 4.16% 136,500 $21.6M Reduce -9.0%
SNDX Syndax Pharmaceuticals Inc. 3.80% 2,100,000 $19.7M Add +5.0%
CRH CRH PLC 3.55% 200,000 $18.4M Reduce -9.1%
SNDK Sandisk Corp. 3.24% 370,000 $16.8M New
WM Waste Management Inc. 3.09% 70,000 $16.0M Add +40.0%
HUM Humana Inc. 3.05% 64,600 $15.8M Add +54.6%
TOL Toll Brothers Inc. 2.98% 135,000 $15.4M New
MMM 3M Co. 2.94% 100,000 $15.2M Reduce -16.7%
BLDR Builders Firstsource Inc. 2.90% 128,500 $15.0M New
CART Maplebear Inc. 2.80% 320,000 $14.5M Reduce -3.0%
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 2.78% 45,000 $14.4M New
EWY iShares MSCI South Korea ETF 2.77% 200,000 $14.4M New
NXE Nexgen Energy Ltd. 2.65% 1,977,837 $13.7M Add +5.3%
PKG Packaging Corp. of America 2.55% 70,000 $13.2M Add +40.0%
HEI Heico Corp. 2.53% 40,000 $13.1M Reduce -11.1%
ECG Everus Construction Group 2.45% 200,000 $12.7M Reduce -20.0%
LOAR Loar Holdings Inc. 2.41% 145,000 $12.5M Add +45.0%
FLEX Flex Ltd. 2.31% 240,000 $12.0M Reduce -11.1%
TAP Molson Coors Beverage Co. Class B 2.23% 240,200 $11.6M No change
APG Api Group Corp. 2.22% 225,000 $11.5M Reduce -18.2%
TTEK Tetra Tech Inc. 2.19% 315,000 $11.3M New
SRAD Sportradar Group AG-A 2.17% 400,000 $11.2M New
JPM JPMorgan Chase & Co. 1.96% 35,000 $10.1M New
GMED Globus Medical Inc. Class A 1.94% 170,000 $10.0M Add +12.4%
OKTA Okta Inc. 1.93% 100,000 $10.0M Add +81.8%
RDNT Radnet Inc. 1.90% 173,000 $9.8M Add +124.7%
WMT Walmart Inc. 1.89% 100,000 $9.8M No change
TSM Taiwan Semiconductor-SP ADR 1.86% 42,500 $9.6M Reduce -19.1%
WWW Wolverine World Wide Inc. 1.83% 524,700 $9.5M Reduce -16.0%
IMAX Imax Corp. 1.83% 338,654 $9.5M Reduce -24.7%
MIR Mirion Technologies Inc. 1.77% 425,000 $9.2M Reduce -5.6%
CW Curtiss-Wright Corp. 1.65% 17,500 $8.5M Reduce -41.7%
WELL Welltower Inc. 1.63% 55,000 $8.5M New
ULS Ul Solutions Inc. Class A 1.62% 115,000 $8.4M New
WDC Western Digital Corp. 1.61% 130,000 $8.3M Reduce -13.3%
EW Edwards Lifesciences Corp. 1.38% 91,300 $7.1M New
PCT Purecycle Technologies Inc. 1.30% 491,000 $6.7M New
THC Tenet Healthcare Corp. 1.28% 37,800 $6.7M Reduce -73.5%
ALIT Alight Inc. Class A 1.20% 1,100,000 $6.2M Add +69.2%
WNS WNS Holdings Ltd. filed as WNS HLDGS LTD 1.16% 95,000 $6.0M Add +46.1%
VST Vistra Corp. 1.12% 30,000 $5.8M New
MTCH Match Group Inc. 1.07% 180,000 $5.6M Reduce -48.6%
HCI Hci Group Inc. 1.03% 35,000 $5.3M Add +34.6%
ALDX Aldeyra Therapeutics Inc. 0.98% 1,331,791 $5.1M Add +71.0%
ZVRA Zevra Therapeutics Inc. 0.77% 450,000 $4.0M New
JSPR Jasper Therapeutics Inc. 0.73% 684,707 $3.8M Add +39.7%
NVNO Envveno Medical Corporation 0.66% 859,261 $3.4M No change
AMRC Ameresco Inc. Class A 0.59% 200,000 $3.0M New
GEG Great Elm Group Inc. 0.51% 1,268,907 $2.6M No change
SCPH Scpharmaceuticals Inc. 0.49% 659,711 $2.5M Reduce -34.0%
SCYX Scynexis Inc. 0.29% 2,237,048 $1.5M No change
NB Niocorp Developments Ltd. 0.14% 314,465 $733K No change
XFOR X4 Pharmaceuticals Inc. 0.09% 233,332 $443K No change
XAIR Beyond Air Inc. 0.03% 936,683 $161K No change

Options reported separately and not counted above: KRE calls ($59.4M), IWM puts ($32.4M), KKR calls ($26.6M), SPY puts ($24.7M), EWJ puts ($22.5M), SMH puts ($16.7M), UPST puts ($12.9M), SNDK puts ($7.3M), ENPH puts ($5.9M), FSLR calls ($5.8M), ALIT calls ($4.2M), AI calls ($3.2M), and 1 more.

Portfolio Sells Q1 2025 → Q2 2025

IP International Paper Co. Sold out 0.00% −4.09
INSM Insmed Inc. Sold out 0.00% −3.40
THC Tenet Healthcare Corp. Reduce -73.5% 1.28% −2.69
ACHC Acadia Healthcare Co. Inc. Sold out 0.00% −2.66
PPL PPL Corp. Sold out 0.00% −2.62
HAS Hasbro Inc. Sold out 0.00% −2.31
UNH Unitedhealth Group Inc. Sold out 0.00% −2.20
META Meta Platforms Inc. Class A Sold out 0.00% −2.15
SYK Stryker Corp. Sold out 0.00% −2.05
TNDM Tandem Diabetes Care Inc. Sold out 0.00% −1.97
BABA Alibaba Group Holding-SP ADR Sold out 0.00% −1.70
GEHC GE Healthcare Technology Sold out 0.00% −1.63
GKOS Glaukos Corp. Sold out 0.00% −1.52
MTCH Match Group Inc. Reduce -48.6% 1.07% −1.19
RH RH Sold out 0.00% −0.95
MMM 3M Co. Reduce -16.7% 2.94% −0.71
OPTINOSE INC Sold out 0.00% −0.71
AL Sumisho Air Lease Corp. Sold out 0.00% −0.70
IMAX Imax Corp. Reduce -24.7% 1.83% −0.63
CRH CRH PLC Reduce -9.1% 3.55% −0.46
CW Curtiss-Wright Corp. Reduce -41.7% 1.65% −0.32
SCPH Scpharmaceuticals Inc. Reduce -34.0% 0.49% −0.06
WWW Wolverine World Wide Inc. Reduce -16.0% 1.83% +0.03
HEI Heico Corp. Reduce -11.1% 2.53% +0.04
TSM Taiwan Semiconductor-SP ADR Reduce -19.1% 1.86% +0.05
CART Maplebear Inc. Reduce -3.0% 2.80% +0.07
APG Api Group Corp. Reduce -18.2% 2.22% +0.18
WDC Western Digital Corp. Reduce -13.3% 1.61% +0.35
MIR Mirion Technologies Inc. Reduce -5.6% 1.77% +0.42
FLEX Flex Ltd. Reduce -11.1% 2.31% +0.46
ECG Everus Construction Group Reduce -20.0% 2.45% +0.53
NVDA Nvidia Corp. Reduce -9.0% 4.16% +0.80

Portfolio Buys Q1 2025 → Q2 2025

SNDK Sandisk Corp. New 3.24% +3.24
TOL Toll Brothers Inc. New 2.98% +2.98
BLDR Builders Firstsource Inc. New 2.90% +2.90
AJG Arthur J Gallagher & Co. New 2.78% +2.78
EWY iShares MSCI South Korea ETF New 2.77% +2.77
TTEK Tetra Tech Inc. New 2.19% +2.19
SRAD Sportradar Group AG-A New 2.17% +2.17
JPM JPMorgan Chase & Co. New 1.96% +1.96
WELL Welltower Inc. New 1.63% +1.63
ULS Ul Solutions Inc. Class A New 1.62% +1.62
EW Edwards Lifesciences Corp. New 1.38% +1.38
PCT Purecycle Technologies Inc. New 1.30% +1.30
VST Vistra Corp. New 1.12% +1.12
RDNT Radnet Inc. Add +124.7% 1.90% +1.11
LOAR Loar Holdings Inc. Add +45.0% 2.41% +0.95
NXE Nexgen Energy Ltd. Add +5.3% 2.65% +0.90
ZVRA Zevra Therapeutics Inc. New 0.77% +0.77
HUM Humana Inc. Add +54.6% 3.05% +0.76
OKTA Okta Inc. Add +81.8% 1.93% +0.73
WM Waste Management Inc. Add +40.0% 3.09% +0.69
AMRC Ameresco Inc. Class A New 0.59% +0.59
PKG Packaging Corp. of America Add +40.0% 2.55% +0.50
ALIT Alight Inc. Class A Add +69.2% 1.20% +0.40
WNS WNS Holdings Ltd. Add +46.1% 1.16% +0.33
JSPR Jasper Therapeutics Inc. Add +39.7% 0.73% +0.30
HCI Hci Group Inc. Add +34.6% 1.03% +0.22
ALDX Aldeyra Therapeutics Inc. Add +71.0% 0.98% +0.06
GMED Globus Medical Inc. Class A Add +12.4% 1.94% −0.36
SNDX Syndax Pharmaceuticals Inc. Add +5.0% 3.80% −1.29

Options Activity Q1 2025 → Q2 2025

QQQ Invesco QQQ Trust Series 1 put Sold out 139,900 $65.6Mbefore exit
KRE SS SPDR S&P Regional Bank call New 1,000,000 $59.4M
IWM iShares Russell 2000 ETF put New 150,000 $32.4M
KKR KKR & Co. Inc. call New 200,000 $26.6M
SPY SS SPDR S&P 500 ETF Trust-US put Reduce -92.7% 40,000 $24.7M
XRT SS SPDR S&P Retail ETF put Sold out 345,000 $23.8Mbefore exit
EWJ iShares MSCI Japan ETF put New 300,000 $22.5M
SMH Vaneck Semiconductor ETF put Reduce -4.8% 60,000 $16.7M
ALNY Alnylam Pharmaceuticals Inc. put Sold out 50,000 $13.5Mbefore exit
UPST Upstart Holdings Inc. put New 200,000 $12.9M
HOOD Robinhood Markets Inc. Class A call Sold out 300,000 $12.5Mbefore exit
SNDK Sandisk Corp. put New 160,000 $7.3M
CVNA Carvana Co. call Sold out 30,000 $6.3Mbefore exit
ENPH Enphase Energy Inc. put Add +100.0% 150,000 $5.9M
FSLR First Solar Inc. call New 35,000 $5.8M
KRE SS SPDR S&P Regional Bank put Sold out 100,000 $5.7Mbefore exit
ALIT Alight Inc. Class A call New 750,000 $4.2M
AI C3.AI Inc. Class A call New 130,000 $3.2M
GEV GE Vernova Inc. call Sold out 10,000 $3.1Mbefore exit
EBAY eBay Inc. put New 40,000 $3.0M
VST Vistra Corp. call Sold out 25,000 $2.9Mbefore exit
CFLT Confluent Inc. Class A call Sold out 77,000 $1.8Mbefore exit
SMCI Super Micro Computer Inc. call Sold out 40,000 $1.4Mbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 57$741.6MSNDX, NVDA, WRBY, APG, KEYS
Q1 2026 52$597.1MSNDX, NVDA, NXE, KEYS, WRBY
Q4 2025 57$653.5MSNDX, NVDA, KEYS, OLMA, NXE
Q3 2025 64$638.2MSNDX, NVDA, MOH, SLNO, EW
Q2 2025 54$517.9MNVDA, SNDX, CRH, SNDK, WM
Q1 2025 54$482.7MSNDX, IP, CRH, THC, MMM
Q4 2024 58$585.1MTNDM, SNDX, PRAX, THC, CRH
Q3 2024 68$681.3MINSM, THC, TNDM, PRAX, SNDX
Q2 2024 64$647.7MINSM, FTAI, APG, UNH, GH
Q1 2024 69$755.8MTHC, FTAI, APG, PRAX, SNDX