Act Capital Management, LLC holds a focused book of 62 stocks worth $153.1M as of Q2 2026 (disclosed Jul 29, 2026, a ~45-day 13F lag). This quarter they opened Tesla Inc and trimmed Krystal Biotech Inc. Their largest long position is Krystal Biotech Inc at 11% of the equity book. Cloning the disclosed picks since 2021 would be +5% (+1.0%/yr). That is a simulation of the disclosed long book, not audited returns.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1442273/holdings"
Use Arkolith to show ACT CAPITAL MANAGEMENT, LLC's latest holdings, largest changes, and filing provenance.
Following at the filing date actually beat the quarter-end book by 20.0 points over this window.
Growth of $10,000 cloning Act Capital Management, LLC's disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
99% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Act Capital Management, LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| UBS Group AG | 65 / 62 | $23.9B |
| MORGAN STANLEY | 64 / 62 | $95.2B |
| BANK OF AMERICA CORP /DE/ | 62 / 62 | $58.4B |
| ROYAL BANK OF CANADA | 62 / 62 | $22.8B |
| OSAIC HOLDINGS, INC. | 62 / 62 | $2.3B |
| BlackRock, Inc. | 61 / 62 | $429.7B |
| GOLDMAN SACHS GROUP INC | 61 / 62 | $48.6B |
| WELLS FARGO & COMPANY/MN | 61 / 62 | $18.9B |
Ranked by how many of Act Capital Management, LLC's top 62 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Krystal Biotech Inc COM | $16.7M | 45.0K | 10.9% | ▼−26% Reduced · −15K sh | |
| 2 | TG Therapeutics Inc COM | $13.8M | 251.0K | 9.0% | ▲+0.8% Added · +2K sh | |
| 3 | Abivax Sa SPONSORED ADS | $12.9M | 97.0K | 8.4% | ▲+37% Added · +26K sh | |
| 4 | Chevron Corp COM | $12.4M | 75.0K | 8.1% | —Held | |
| 5 | Exxon Mobil Corp COM | $10.7M | 78.5K | 7.0% | ▲+12% Added · +9K sh | |
| 6 | Arrowhead Pharmaceuticals Inc COM | $9.0M | 110.1K | 5.9% | ▲+33% Added · +28K sh | |
| 7 | Viking Therapeutics Inc COM | $8.2M | 209.3K | 5.3% | —Held | |
| 8 | Celcuity Inc COM | $6.5M | 62.1K | 4.2% | ▼−32% Reduced · −30K sh | |
| 9 | Nektar Therapeutics COM NEW | $6.2M | 89.3K | 4.1% | ▲+26% Added · +18K sh | |
| 10 | Tesla Inc COM | $4.5M | 10.8K | 3.0% | ▲New New position | |
| 11 | Cytokinetics Inc COM | $4.0M | 47.5K | 2.6% | ▼−26% Reduced · −17K sh | |
| 12 | Ast Spacemobile Inc COM CL A | $3.9M | 43.5K | 2.5% | ▲New New position | |
| 13 | Palvella Therapeutics Inc COM | $3.4M | 22.5K | 2.2% | ▲New New position | |
| 14 | Amazon.com Inc COM | $3.1M | 12.9K | 2.0% | ▼−61% Reduced · −20K sh | |
| 15 | Nuvation Bio Inc COM CL A | $3.0M | 520.0K | 1.9% | ▲+79% Added · +230K sh | |
| 16 | Xenon Pharmaceuticals Inc COM | $2.9M | 48.0K | 1.9% | ▲+43% Added · +15K sh | |
| 17 | Energy Transfer L P COM UT LTD PTN | $2.5M | 133.1K | 1.7% | —Held | |
| 18 | Bloom Energy Corp COM CL A | $2.3M | 7.5K | 1.5% | ▲+67% Added · +3K sh | |
| 19 | Freeport-McMoran Inc COM | $2.0M | 32.5K | 1.3% | ▼−16% Reduced · −6K sh | |
| 20 | Nebius Group NV SHS CLASS A | $1.9M | 6.8K | 1.2% | ▲New New position | |
| 21 | Alumis Inc COM | $1.5M | 51.6K | 0.9% | ▼−70% Reduced · −123K sh | |
| 22 | Ambarella Inc COM | $1.4M | 16.0K | 0.9% | ▲New New position | |
| 23 | Cerebras Systems Inc COM CL A | $1.2M | 5.6K | 0.8% | ▲New New position | |
| 24 | Definium Therapeutics Inc COM | $1.2M | 25.0K | 0.8% | ▲New New position | |
| 25 | Nokia Corp SPONSORED ADR | $1.1M | 82.0K | 0.7% | ▲New New position | |
| 26 | Kura Oncology Inc COM | $975K | 88.9K | 0.6% | ▲+20% Added · +15K sh | |
| 27 | Praxis Precision Medicines Inc COM NEW | $904K | 2.7K | 0.6% | —Held | |
| 28 | Applied Optoelectronics Inc COM | $889K | 6.0K | 0.6% | ▼−77% Reduced · −20K sh | |
| 29 | Cameco Corp COM | $856K | 8.4K | 0.6% | ▲New New position | |
| 30 | Monte Rosa Therapeutics Inc COM | $847K | 35.0K | 0.6% | ▲+56% Added · +13K sh | |
| 31 | Regenxbio Inc COM | $809K | 67.5K | 0.5% | ▲+21% Added · +12K sh | |
| 32 | Mineralys Therapeutics Inc COM | $758K | 28.1K | 0.5% | ▲New New position | |
| 33 | Grayscale Bitcoin Trust ETF SHS REP COM UT | $701K | 15.4K | 0.5% | —Held | |
| 34 | Vir Biotechnology Inc COM | $655K | 64.3K | 0.4% | —Held | |
| 35 | Palisade Bio Inc COM | $643K | 307.5K | 0.4% | ▲+19% Added · +50K sh | |
| 36 | Palantir Technologies Inc CL A | $642K | 5.5K | 0.4% | ▲New New position | |
| 37 | On Semiconductor Corp COM | $567K | 6.0K | 0.4% | ▲New New position | |
| 38 | Warrior Met Coal Inc COM | $487K | 6.0K | 0.3% | —Held | |
| 39 | Crescent Energy Company CL A COM | $442K | 45.0K | 0.3% | —Held | |
| 40 | MBX Biosciences Inc COM | $442K | 8.0K | 0.3% | ▼−11% Reduced · −1K sh | |
| 41 | Keel Infrastructure Corp COM | $428K | 74.5K | 0.3% | ▲New New position | |
| 42 | Compass Pathways PLC SPONSORED ADS | $425K | 30.0K | 0.3% | ▲+94% Added · +15K sh | |
| 43 | Corvus Pharmaceuticals Inc COM | $403K | 27.0K | 0.3% | ▲New New position | |
| 44 | Alpha Cognition Inc COM | $372K | 51.5K | 0.2% | —Held | |
| 45 | Kyverna Therapeutics Inc COM | $356K | 40.0K | 0.2% | ▲+33% Added · +10K sh | |
| 46 | Axt Inc COM | $353K | 4.9K | 0.2% | ▲New New position | |
| 47 | Infleqtion Inc COM | $333K | 25.0K | 0.2% | ▲New New position | |
| 48 | Scholar Rock Hldg Corp COM | $330K | 6.0K | 0.2% | ▼−44% Reduced · −5K sh | |
| 49 | Uipath Inc CL A | $326K | 30.0K | 0.2% | ▼−40% Reduced · −20K sh | |
| 50 | Adlai Nortye Ltd SPONSORED ADS | $311K | 27.0K | 0.2% | ▲New New position |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 29, 2026 | 62 | $153.1M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | May 8, 2026 | 56 | $127.2M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 59 | $123.7M | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 3, 2022 | 71 | $72.5M | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 12, 2022 | 78 | $71.5M | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 11, 2022 | 85 | $94.5M | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 3, 2022 | 92 | $138.3M | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 16, 2021 | 108 | $193.0M | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.