Q2 2026 13F · SEC CIK 1442273

Act Capital Management, LLC

Hedge fundFiled 2026-07-29 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $153.1M
Reported positions: 62
Holdings vs S&P 500, 3 yrs: —
Assets under management: $163.9M

Act Capital Management, LLC is a hedge fund that reported 62 positions worth $153.1M in its Q2 2026 13F, filed 2026-07-29. Its largest holdings were Krystal Biotech Inc (KRYS, 10.9%), TG Therapeutics Inc (TGTX, 9.0%), Abivax SA (ABVX, 8.4%).

Act Capital Management, LLC holdings largest 50 of 62 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Act Capital Management, LLC 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
KRYSKrystal Biotech Inc	10.9%	12.3%	45,000	-25.6%	$16.7M
TGTXTG Therapeutics Inc	9.0%	6.5%	251,025	+0.8%	$13.8M
ABVXAbivax SA	8.4%	6.2%	97,000	+36.8%	$12.9M
CVXChevron Corporation	8.1%	12.2%	75,000	+0.0%	$12.4M
XOMExxon Mobil Corp	7.0%	9.3%	78,500	+12.1%	$10.7M
ARWRArrowhead Pharmaceuticals in	5.9%	4.1%	110,100	+33.5%	$9.0M
VKTXViking Therapeutics Inc	5.3%	5.4%	209,300	+0.0%	$8.2M
CELCCelcuity Inc	4.2%	8.2%	62,150	-32.2%	$6.5M
NKTRNektar Therapeutics	4.1%	4.0%	89,300	+26.0%	$6.2M
TSLATesla Inc	3.0%	—	10,800	—	$4.5M
CYTKCytokinetics	2.6%	3.3%	47,500	-26.4%	$4.0M
ASTSAST SpaceMobile Inc	2.5%	—	43,500	—	$3.9M
PVLAPalvella Therapeutics Inc Ne	2.2%	—	22,500	—	$3.4M
AMZNAmazon Com Inc	2.0%	5.4%	12,900	-60.9%	$3.1M
NUVBNuvation Bio Inc	1.9%	1.0%	520,000	+79.3%	$3.0M
XENEXenon Pharmaceuticals Inc	1.9%	1.5%	48,000	+43.3%	$2.9M
ETPCEnergy Transfer L P	1.7%	2.0%	133,100	+0.0%	$2.5M
BEBloom Energy Corp	1.5%	0.5%	7,500	+66.7%	$2.3M
FCXFreeport Mcmoran Inc	1.3%	1.8%	32,500	-15.6%	$2.0M
NBISNebius Group N.v.	1.2%	—	6,800	—	$1.9M
ALMSAlumis Ord	0.9%	3.0%	51,600	-70.4%	$1.5M
AMBAAmbarella Inc	0.9%	—	16,000	—	$1.4M
CBRSCerebras Systems Inc	0.8%	—	5,600	—	$1.2M
24477V105Definium Therapeutics Inc	0.8%	—	25,000	—	$1.2M
NOKNokia Corp	0.7%	—	82,000	—	$1.1M
KURAKura Oncology Inc	0.6%	0.5%	88,900	+20.3%	$975K
PRAXPraxis Precision Medicines I	0.6%	0.7%	2,700	+0.0%	$904K
AAOIApplied Optoelectronics Inc	0.6%	1.7%	6,000	-76.8%	$889K
CCJCameco Corp	0.6%	—	8,400	—	$856K
GLUEMonte Rosa Therapeutics Inc	0.6%	0.3%	35,000	+55.6%	$847K
RGNXRegenxbio Inc	0.5%	0.4%	67,500	+20.5%	$809K
MLYSMineralys Therapeutics Inc	0.5%	—	28,100	—	$758K
GBTCGrayscale Bitcoin Trust ETF	0.5%	0.6%	15,400	+0.0%	$701K
VIRVir Biotechnology Inc	0.4%	0.5%	64,300	+0.0%	$655K
PALIPalisade Bio Inc	0.4%	0.4%	307,500	+19.4%	$643K
PLTRPalantir Technologies Inc	0.4%	—	5,500	—	$642K
ONOn Semiconductor Corp	0.4%	—	6,000	—	$567K
HCCWarrior Met Coal Inc	0.3%	0.4%	6,000	+0.0%	$487K
CRGYCrescent Energy Company	0.3%	0.5%	45,000	+0.0%	$442K
MBXMbx Biosciences Inc	0.3%	0.2%	8,000	-11.1%	$442K
KEELKeel Infrastructure Corp	0.3%	—	74,500	—	$428K
CMPSCompass Pathways PLC	0.3%	—	30,000	—	$425K
CRVSCorvus Pharmaceuticals Inc Com	0.3%	—	27,000	—	$403K
ACOGAlpha Cognition Inc	0.2%	0.2%	51,500	+0.0%	$372K
KYTXKyverna Therapeutics Inc.	0.2%	0.2%	40,000	+33.3%	$356K
AXTIAxt Inc	0.2%	—	4,900	—	$353K
INFQInfleqtion Inc	0.2%	—	25,000	—	$333K
SRRKScholar Rock Hldg Corp	0.2%	0.4%	6,000	-44.4%	$330K
PATHUipath Inc	0.2%	0.4%	30,000	-40.0%	$326K
ANLAdlai Nortye Ltd	0.2%	—	27,000	—	$311K

What Act Capital Management, LLC bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

NUVB Nuvation Bio Inc+79.3% shares
BE Bloom Energy Corp+66.7% shares
GLUE Monte Rosa Therapeutics Inc+55.6% shares
XENE Xenon Pharmaceuticals Inc+43.3% shares
ABVX Abivax SA+36.8% shares
ARWR Arrowhead Pharmaceuticals in+33.5% shares
KYTX Kyverna Therapeutics Inc.+33.3% shares
NKTR Nektar Therapeutics+26.0% shares

Reduced

AAOI Applied Optoelectronics Inc-76.8% shares
ALMS Alumis Ord-70.4% shares
AMZN Amazon Com Inc-60.9% shares
SRRK Scholar Rock Hldg Corp-44.4% shares
PATH Uipath Inc-40.0% shares
CELC Celcuity Inc-32.2% shares
CYTK Cytokinetics-26.4% shares
KRYS Krystal Biotech Inc-25.6% shares

Left the top 50

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: —
3 years: —
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$153.1M	62
Q1 2026	$127.2M	56
Q4 2025	$123.7M	58
Q3 2022	$72.5M	71
Q2 2022	$71.5M	78
Q1 2022	$94.5M	85
Q4 2021	$138.3M	92
Q3 2021	$193.0M	108
Q2 2021	$194.6M	117

Questions about Act Capital Management, LLC's portfolio

What stocks does Act Capital Management, LLC own?

Act Capital Management, LLC's latest 13F, for Q2 2026 and filed Jul 29, 2026, lists 62 positions worth $153.1M. The largest are Krystal Biotech Inc (KRYS) at 10.9%, TG Therapeutics Inc (TGTX) at 9.0%, Abivax SA (ABVX) at 8.4%, Chevron Corporation (CVX) at 8.1% and Exxon Mobil Corp (XOM) at 7.0%.

What did Act Capital Management, LLC buy last quarter?

In Q2 2026, Act Capital Management, LLC added Nuvation Bio Inc (NUVB) (+79.3% shares), Bloom Energy Corp (BE) (+66.7% shares) and Monte Rosa Therapeutics Inc (GLUE) (+55.6% shares), compared with its Q1 2026 filing.

What did Act Capital Management, LLC sell last quarter?

In Q2 2026, Act Capital Management, LLC cut from its top 50 Staar Surgical Co (STAA), cut from its top 50 Sentinelone Inc (S), cut from its top 50 Lumentum Hldgs Inc (LITE), cut from its top 50 Circle Internet Group Inc (CRCL), cut from its top 50 Genedx Holdings Corp (WGS), Applied Optoelectronics Inc (AAOI) (-76.8% shares), Alumis Ord (ALMS) (-70.4% shares) and Amazon Com Inc (AMZN) (-60.9% shares), compared with its Q1 2026 filing.

When is Act Capital Management, LLC's next 13F filing due?

13F filings are due 45 days after each quarter ends. Act Capital Management, LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Act Capital Management, LLC manage?

Act Capital Management, LLC reported $163.9M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $153.1M.