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Act Capital Management, LLC

CIK 1442273 · latest 13F filed 29 July 2026 · Read the filing on EDGAR

Act Capital Management, LLC reported 62 US-listed holdings worth $153.1 million in its 13F for the quarter ended 30 June 2026, filed 29 July 2026. Its largest: Krystal Biotech, Inc. (10.9%), TG Therapeutics, Inc. (9.0%) and Abivax SA (8.4%). Against the quarter before, it opened 20 positions, added to 15, trimmed 12 and sold out of 14.

Reported holdings$153.1M+20.3% on Q1 2026
Positions62+6 on Q1 2026
The largest ten66.0%of its reported holdings
Latest 13FQ2 2026filed 29 July 2026
Where the money is
OpenedAdded toHeldTrimmed
KRYS10.9%TGTX9.0%ABVX8.4%CVX8.1%XOM7.0%ARWR5.9%VKTX5.3%CELC4.2%NKTR4.1%TSLA3.0%CYTK2.6%ASTS2.5%PVLA2.2%AMZN2.0%48 more24.6%

The 14 largest of its 62 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q4 2025: $123.7 million in 58 positions$124MQ4 25Q1 2026: $127.2 million in 56 positions$127MQ1 26Q2 2026: $153.1 million in 62 positions$153MQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What its reported holdings returned

Held through each quarter, the holdings it reported returned +21.8% over the 2 quarters to 30 June 2026, against +9.5% for the S&P 500.

Its reported holdingsThe S&P 500
100110120Q4 25Q1 26Q2 26Its holdings +21.8%S&P 500 +9.5%

Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.

What it did on the quarter

Opened 20Added 15Held 15Trimmed 12Sold out 14
Opened: 20Added: 15Held: 15Trimmed: 12Sold out: 14

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 20

  1. Tesla, Inc. TSLA$4.5 million
  2. Ast Spacemobile Inc. ASTS$3.9 million
  3. Palvella Therapeutics Inc. Ne PVLA$3.4 million
  4. Yandex N V NBIS$1.9 million
  5. Ambarella Inc. AMBA$1.4 million
  6. Cerebras Systems Inc. Com Class A CBRS$1.2 million
  7. Definium Therapeutics Inc. DFTX$1.2 million
  8. Nokia Corporation NOK$1.1 million

and 12 more in the table below

Added to 15

  1. Abivax SA ABVX+26,100 shares · +37%
  2. Arrowhead Pharmaceuticals, Inc. ARWR+27,600 shares · +33%
  3. Nuvation Bio Inc. NUVB+230,000 shares · +79%
  4. Nektar Therapeutics NKTR+18,400 shares · +26%
  5. ExxonMobil Holdings Corp. XOM+8,500 shares · +12%
  6. Bloom Energy Corp. BE+3,000 shares · +67%
  7. Xenon Pharmaceuticals Inc. XENE+14,500 shares · +43%
  8. Monte Rosa Therapeutics Inc. GLUE+12,500 shares · +56%

and 7 more in the table below

Trimmed 12

  1. Krystal Biotech, Inc. KRYS-15,477 shares · -26%
  2. Amazon.com Inc. AMZN-20,100 shares · -61%
  3. Alumis Inc. ALMS-122,650 shares · -70%
  4. Celcuity Inc. CELC-29,525 shares · -32%
  5. Applied Optoelectronics Inc. AAOI-19,900 shares · -77%
  6. Micron Technology Inc. MU-1,300 shares · -87%
  7. Cytokinetics Inc. CYTK-17,000 shares · -26%
  8. Freeport-McMoRan Inc. FCX-6,000 shares · -16%

and 4 more in the table below

Sold out of 14

  1. Staar Surgical Co. STAA$1.0 million last quarter
  2. Sentinelone Inc. S$699,384 last quarter
  3. Lumentum Holdings Inc. LITE$632,484 last quarter
  4. Circle Internet Group Inc. CRCL$572,460 last quarter
  5. NVIDIA Corp. NVDA$488,320 last quarter
  6. Replimune Group, Inc. REPL$470,475 last quarter
  7. Olema Pharmaceuticals Inc. OLMA$372,750 last quarter
  8. Incyte Corp. INCY$188,240 last quarter

What it holds

CompanySharesValueOf its bookChange in shares
Krystal Biotech, Inc. KRYS45.0K$16.7 million10.93%-15.5K
TG Therapeutics, Inc. TGTX251.0K$13.8 million9.01%+2.0K
Abivax SA ABVX97.0K$12.9 million8.44%+26.1K
Chevron Corp. CVX75.0K$12.4 million8.12%no change
ExxonMobil Holdings Corp. XOM78.5K$10.7 million7.01%+8.5K
Arrowhead Pharmaceuticals, Inc. ARWR110.1K$9.0 million5.86%+27.6K
Viking Therapeutics Inc. VKTX209.3K$8.2 million5.33%no change
Celcuity Inc. CELC62.1K$6.5 million4.25%-29.5K
Nektar Therapeutics NKTR89.3K$6.2 million4.07%+18.4K
Tesla, Inc. TSLA10.8K$4.5 million2.97%new
Cytokinetics Inc. CYTK47.5K$4.0 million2.64%-17.0K
Ast Spacemobile Inc. ASTS43.5K$3.9 million2.53%new
Palvella Therapeutics Inc. Ne PVLA22.5K$3.4 million2.25%new
Amazon.com Inc. AMZN12.9K$3.1 million2.01%-20.1K
Nuvation Bio Inc. NUVB520.0K$3.0 million1.93%+230.0K
Xenon Pharmaceuticals Inc. XENE48.0K$2.9 million1.89%+14.5K
Energy Transfer LP ET133.1K$2.5 million1.66%no change
Bloom Energy Corp. BE7.5K$2.3 million1.48%+3.0K
Freeport-McMoRan Inc. FCX32.5K$2.0 million1.34%-6.0K
Yandex N V NBIS6.8K$1.9 million1.23%new
Alumis Inc. ALMS51.6K$1.5 million0.95%-122.7K
Ambarella Inc. AMBA16.0K$1.4 million0.90%new
Cerebras Systems Inc. Com Class A CBRS5.6K$1.2 million0.81%new
Definium Therapeutics Inc. DFTX25.0K$1.2 million0.77%new
Nokia Corporation NOK82.0K$1.1 million0.71%new
Kura Oncology Inc. KURA88.9K$975,2330.64%+15.0K
Praxis Precision Medicines I PRAX2.7K$903,9330.59%no change
Applied Optoelectronics Inc. AAOI6.0K$888,9600.58%-19.9K
Cameco Corp. CCJ8.4K$855,6240.56%new
Monte Rosa Therapeutics Inc. GLUE35.0K$847,0000.55%+12.5K
Regenxbio Inc. RGNX67.5K$808,6500.53%+11.5K
Mineralys Therapeutics Inc. MLYS28.1K$758,1380.50%new
Grayscale Bitcoin Trust BTC GBTC15.4K$701,0080.46%no change
Vir Biotechnology, Inc. VIR64.3K$655,2170.43%no change
Palisade Bio Inc. PALI307.5K$642,6750.42%+50.0K
Palantir Technologies Inc. PLTR5.5K$641,6850.42%new
ON Semiconductor Corp. ON6.0K$567,2400.37%new
Warrior Met Coal, Inc. HCC6.0K$486,9600.32%no change
Crescent Energy Co. CRGY45.0K$441,9000.29%no change
MBX Biosciences Inc. MBX8.0K$441,6000.29%-1.0K
Keel Infrastructure Corp. Com SHS KEEL74.5K$427,6300.28%new
Compass Pathways PLC CMPS30.0K$424,5000.28%+14.5K
Corvus Pharmaceuticals Inc. CRVS27.0K$403,3800.26%new
Alpha Cognition Inc. ACOG51.5K$371,8300.24%no change
Kyverna Therapeutics Inc. KYTX40.0K$356,4000.23%+10.0K
Axt Inc. AXTI4.9K$353,1920.23%new
Infleqtion Inc. INFQ25.0K$333,0000.22%new
Scholar Rock Holding Corporation SRRK6.0K$330,0000.22%-4.8K
UiPath, Inc. PATH30.0K$326,1000.21%-20.0K
Adlai Nortye Ltd ANL27.0K$310,5000.20%new
Ondas Hldgs Inc. ONDS37.5K$309,0000.20%no change
Arko Pete Corp. APC15.0K$282,7500.18%no change
Ryerson Hldg Corp. RYZ11.2K$275,6320.18%+400
Genedx Holdings Corp. WGS4.0K$274,6000.18%-4.0K
Capstone Turbine Co. CEPL27.5K$253,0000.17%new
Micron Technology Inc. MU200$230,8580.15%-1.3K
Terra Innovatum Global NV NKLR45.0K$221,4000.14%no change
Vivopower International PLC VIVO42.5K$219,7250.14%new
Space Exploration Techn Corp. Class A Com STK SPCX800$136,6880.09%new
Lightspeed Commerce Inc LSPD12.5K$131,1250.09%no change
Stratasys Ltd SSYS10.0K$85,6000.06%no change
PDS Biotechnology Corp. PDSB30.0K$26,4330.02%no change
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 14 it sold out of are in the box above.