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Act Capital Management, LLC: 13F holdings, Q2 2026

Hedge fund · SEC EDGAR filings (CIK 1442273) · Explore on the interactive board

Act Capital Management, LLC disclosed 62 US equity positions worth $153.1m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed July 29, 2026). Its largest position is KRYS at 10.9% of the reported book, followed by TGTX, ABVX. The top ten holdings are 66.0% of the book, and the portfolio behaves like about 19 equal-weight positions. Versus the prior filing it opened 20 new positions, added to 15, reduced 12 and exited 14. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.

This manager's most recent filing is 3934 quarter(s) behind the newest quarter on file. Treat these figures as history, not current positioning.
$153.1mreported US equity book
62positions
10.9%largest position
66.0%top 10 weight
18.55effective positions (1/HHI)
2quarters on file since Q1 2026

What does Act Capital Management, LLC own? Top holdings as of June 30, 2026

Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 20 new, 15 added, 12 reduced, 14 exited.

#StockSectorWeightValueSharesΔ sharesAction
1 KRYS KRYSTAL BIOTECH INC Healthcare 10.9%$16.7m45,000 -26% reduced
2 TGTX TG THERAPEUTICS INC Healthcare 9.0%$13.8m251,025 1% added
3 ABVX ABIVAX SA Healthcare 8.4%$12.9m97,000 37% added
4 CVX CHEVRON CORP Energy 8.1%$12.4m75,000 0% held
5 EXMOC EXXON MOBIL CORP 7.0%$10.7m78,500 12% added
6 ARWR ARROWHEAD PHARMACEUTICALS INC Healthcare 5.9%$9.0m110,100 33% added
7 VKTX VIKING THERAPEUTICS INC Healthcare 5.3%$8.2m209,300 0% held
8 CELC CELCUITY INC Healthcare 4.2%$6.5m62,150 -32% reduced
9 NKTR NEKTAR THERAPEUTICS Healthcare 4.1%$6.2m89,300 26% added
10 TSLA TESLA INC Consumer Cyclical 3.0%$4.5m10,800 new
11 CYTK CYTOKINETICS INC Healthcare 2.6%$4.0m47,500 -26% reduced
12 ASTS AST SPACEMOBILE INC Technology 2.5%$3.9m43,500 new
13 PVLA PALVELLA THERAPEUTICS INC Healthcare 2.2%$3.4m22,500 new
14 AMZN AMAZON.COM INC Consumer Cyclical 2.0%$3.1m12,900 -61% reduced
15 NUVB NUVATION BIO INC Healthcare 1.9%$3.0m520,000 79% added
16 XENE XENON PHARMACEUTICALS INC Healthcare 1.9%$2.9m48,000 43% added
17 ET ENERGY TRANSFER L P Energy 1.7%$2.5m133,100 0% held
18 BE BLOOM ENERGY CORP Industrials 1.5%$2.3m7,500 67% added
19 FCX FREEPORT-MCMORAN INC Basic Materials 1.3%$2.0m32,500 -16% reduced
20 NBIS NEBIUS GROUP NV Communication Services 1.2%$1.9m6,800 new
21 ALMS ALUMIS INC Healthcare 0.9%$1.5m51,600 -70% reduced
22 AMBA AMBARELLA INC Technology 0.9%$1.4m16,000 new
23 CBRS CEREBRAS SYSTEMS INC Technology 0.8%$1.2m5,600 new
24 DFTX DEFINIUM THERAPEUTICS INC Healthcare 0.8%$1.2m25,000 new
25 NOK NOKIA CORP Technology 0.7%$1.1m82,000 new
26 KURA KURA ONCOLOGY INC Healthcare 0.6%$975.2k88,900 20% added
27 PRAX PRAXIS PRECISION MEDICINES INC Healthcare 0.6%$903.9k2,700 0% held
28 AAOI APPLIED OPTOELECTRONICS INC Technology 0.6%$889.0k6,000 -77% reduced
29 CCJ CAMECO CORP Energy 0.6%$855.6k8,400 new
30 GLUE MONTE ROSA THERAPEUTICS INC Healthcare 0.6%$847.0k35,000 56% added
31 RGNX REGENXBIO INC Healthcare 0.5%$808.6k67,500 21% added
32 MLYS MINERALYS THERAPEUTICS INC Healthcare 0.5%$758.1k28,100 new
33 GBTC GRAYSCALE BITCOIN TRUST ETF 0.5%$701.0k15,400 0% held
34 VIR VIR BIOTECHNOLOGY INC Healthcare 0.4%$655.2k64,300 0% held
35 PALI PALISADE BIO INC Healthcare 0.4%$642.7k307,500 19% added
36 PLTR PALANTIR TECHNOLOGIES INC Technology 0.4%$641.7k5,500 new
37 ON ON SEMICONDUCTOR CORP Technology 0.4%$567.2k6,000 new
38 HCC WARRIOR MET COAL INC Basic Materials 0.3%$487.0k6,000 0% held
39 CRGY CRESCENT ENERGY COMPANY Energy 0.3%$441.9k45,000 0% held
40 MBX MBX BIOSCIENCES INC Healthcare 0.3%$441.6k8,000 -11% reduced
41 KEEL KEEL INFRASTRUCTURE CORP Technology 0.3%$427.6k74,500 new
42 CMPS COMPASS PATHWAYS PLC Healthcare 0.3%$424.5k30,000 94% added
43 CRVS CORVUS PHARMACEUTICALS INC Healthcare 0.3%$403.4k27,000 new
44 ALPHA COGNITION INC 0.2%$371.8k51,500 0% held
45 KYTX KYVERNA THERAPEUTICS INC 0.2%$356.4k40,000 33% added
46 AXTI AXT INC Technology 0.2%$353.2k4,900 new
47 INFQ INFLEQTION INC 0.2%$333.0k25,000 new
48 SRRK SCHOLAR ROCK HLDG CORP Healthcare 0.2%$330.0k6,000 -44% reduced
49 PATH UIPATH INC Technology 0.2%$326.1k30,000 -40% reduced
50 ANL ADLAI NORTYE LTD 0.2%$310.5k27,000 new

What did Act Capital Management, LLC sell? Positions exited since the previous filing

StockPrior weightPrior value
STAA STAAR SURGICAL CO20.2%$1.0m
S SENTINELONE INC13.6%$699.4k
LITE LUMENTUM HLDGS INC12.3%$632.5k
CRCL CIRCLE INTERNET GROUP INC11.2%$572.5k
NVDA NVIDIA CORPORATION9.5%$488.3k
REPL REPLIMUNE GROUP INC9.2%$470.5k
OLMA OLEMA PHARMACEUTICALS INC7.3%$372.8k
INCY INCYTE CORP3.7%$188.2k
CAPR CAPRICOR THERAPEUTICS INC3.0%$152.0k
VPG VISHAY PRECISION GROUP INC2.5%$130.3k
ESPERION THERAPEUTICS INC2.5%$130.2k
AMLX AMYLYX PHARMACEUTICALS INC2.4%$125.1k
LTRX LANTRONIX INC1.5%$78.6k
HIMS HIMS &HERS HEALTH INC1.0%$51.9k

Sector mix

SectorWeight
Healthcare63.2%
Energy10.6%
Technology7.5%
Consumer Cyclical5.0%
Industrials1.8%
Basic Materials1.7%

Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.

Filing history

QuarterPositionsEquity value
Q2 202662$153.1m
Q1 202656$127.2m

How concentrated is Act Capital Management, LLC's portfolio?

Across every quarter Act Capital Management, LLC has filed, its median largest position is 11.6% of the book and its median top-ten weight is 69.8%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 14.0 completed holding spells, the median lasted 1.0 quarters; 62.0 positions are still open and their final length is unknown.