CIK: 0001442273
Total reported value
$127.2M
Reporting period: 2026-03-31 · Number of holdings: 56
ACT CAPITAL MANAGEMENT, LLC disclosed 56 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $127.2M and a quarterly turnover rate of 48.7%.
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Act Capital Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.066 — mathematically equivalent to about 15 equally-sized positions, well below its 56 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.66), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 69% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Trim NUVB
-52.5% -$4.2M
Add CELC
+44.6% $4.1M
Add CVX
-4.5% $3.6M
Add NKTR
+38.5% $2.9M
Add XOM
-15.2% $1.9M
Trim GBTC
-55.2% -$1.5M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | KRYS | Krystal Biotech INC | Stock-Healthcare | 12.28% | +0.22% | -0.04% | |
| 2 | CVX | Chevron CORP | Stock-Energy | 12.20% | +2.53% | -4.46% | |
| 3 | XOM | Exxon Mobil CORP | Stock-Energy | 9.33% | +1.30% | -15.15% | |
| 4 | CELC | Celcuity INC | Stock-Other | 8.22% | +3.11% | +44.56% | |
| 5 | TGTX | Tg Therapeutics INC | Stock-Healthcare | 6.50% | +0.02% | -7.38% | |
| 6 | ABVX | Abivax Sa-adr | Stock-Other | 6.20% | -0.77% | +10.95% | |
| 7 | AMZN | Amazon.com INC | Stock-Consumer Disc | 5.40% | +0.81% | +34.15% | |
| 8 | VKTX | Viking Therapeutics INC | Stock-Healthcare | 5.35% | -0.51% | +1.55% | |
| 9 | ARWR | Arrowhead Pharmaceuticals In | Stock-Healthcare | 4.07% | +0.04% | +10.00% | |
| 10 | NKTR | Nektar Therapeutics | Stock-Other | 4.01% | +2.26% | +38.48% | |
| 11 | CYTK | Cytokinetics INC | Stock-Healthcare | 3.34% | — | — | |
| 12 | ALMS | Alumis INC | Stock-Other | 3.02% | +3.02% | NEW | |
| 13 | ET | Energy Transfer LP | Stock-Energy | 2.02% | +0.25% | — | |
| 14 | FCX | Freeport-mcmoran INC | Stock-Materials | 1.78% | +1.78% | NEW | |
| 15 | AAOI | Applied Optoelectronics INC | Stock-Tech | 1.72% | +1.72% | NEW | |
| 16 | XENE | Xenon Pharmaceuticals INC | Stock-Other | 1.53% | +1.53% | NEW | |
| 17 | NUVB | Nuvation Bio INC | Stock-Other | 0.98% | -3.44% | -52.50% | |
| 18 | STAA | Staar Surgical Co | Stock-Other | 0.82% | -0.22% | — | |
| 19 | PRAX | Praxis Precision Medicines I | Stock-Other | 0.68% | +0.51% | +285.71% | |
| 20 | GBTC | Grayscale Bitcoin Trust ETF | ETF-Crypto | 0.64% | -1.26% | -55.23% | |
| 21 | S | Sentinelone INC -class A | Stock-Tech | 0.55% | +0.55% | NEW | |
| 22 | LITE | Lumentum Holdings INC | Stock-Tech | 0.50% | +0.50% | NEW | |
| 23 | BE | Bloom Energy Corp- A | Stock-Industrials | 0.48% | -0.43% | -65.38% | |
| 24 | CRGY | Crescent Energy Inc-a | Stock-Energy | 0.48% | — | -26.60% | |
| 25 | KURA | Kura Oncology INC | Stock-Other | 0.47% | — | — | |
| 26 | VIR | Vir Biotechnology INC | Stock-Other | 0.45% | +0.45% | NEW | |
| 27 | CRCL | Circle Internet Group INC | Stock-Financials | 0.45% | +0.45% | NEW | |
| 28 | HCC | Warrior Met Coal INC | Stock-Materials | 0.44% | -0.42% | -50.00% | |
| 29 | PATH | Uipath INC - Class A | Stock-Tech | 0.44% | -0.18% | +6.38% | |
| 30 | SRRK | Scholar Rock Holding CORP | Stock-Other | 0.42% | — | -10.00% | |
| 31 | WGS | Genedx Holdings CORP | Stock-Other | 0.40% | — | +166.67% | |
| 32 | MU | Micron Technology INC | Stock-Tech | 0.40% | +0.40% | NEW | |
| 33 | NVDA | Nvidia CORP | Stock-Tech | 0.38% | +0.38% | NEW | |
| 34 | REPL | Replimune Group INC | Stock-Other | 0.37% | — | — | |
| 35 | RGNX | Regenxbio INC | Stock-Other | 0.37% | -0.59% | -32.12% | |
| 36 | PALI | Palisade Bio INC | Stock-Other | 0.35% | — | +71.67% | |
| 37 | OLMA | Olema Pharmaceuticals INC | Stock-Other | 0.29% | -0.79% | -53.27% | |
| 38 | GLUE | Monte Rosa Therapeutics INC | Stock-Other | 0.29% | +0.29% | NEW | |
| 39 | ONDS | Ondas INC | Stock-Tech | 0.27% | +0.27% | NEW | |
| 40 | ACOG | Alpha Cognition INC | Stock-Other | 0.22% | — | — | |
| 41 | MBX | Mbx Biosciences INC | Stock-Other | 0.21% | +0.21% | NEW | |
| 42 | APC | Arko Petroleum CORP | Stock-Other | 0.21% | +0.21% | NEW | |
| 43 | KYTX | Kyverna Therapeutics INC | Stock-Other | 0.20% | — | +19.52% | |
| 44 | RYZ | Ryerson Holding CORP | Stock-Other | 0.19% | +0.19% | NEW | |
| 45 | ✓ | Stock-Other | 0.16% | — | — | ||
| 46 | INCY | Incyte CORP | Stock-Healthcare | 0.15% | +0.15% | NEW | |
| 47 | CAPR | Capricor Therapeutics INC | Stock-Other | 0.12% | — | +233.33% | |
| 48 | VPG | Vishay Precision Group | Stock-Other | 0.10% | — | — | |
| 49 | ESPR | Esperion Therapeutics INC | Stock-Other | 0.10% | — | — | |
| 50 | AMLX | Amylyx Pharmaceuticals INC | Stock-Other | 0.10% | — | — |
Performance for Q3 2026
+8.2%
Performance Last 4 Quarters
+12.7%
Based on 5 months of available history
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 56 | $127.2M | 49 | |
| 2025-12-31 | 59 | $123.7M | 100 | |
| 2022-09-30 | 71 | $72.5M | 0 | |
| 2022-06-30 | 78 | $71.5M | 0 | |
| 2022-03-31 | 85 | $94.5M | 0 | |
| 2021-12-31 | 92 | $138.3M | 0 | |
| 2021-09-30 | 108 | $193.0M | 0 | |
| 2021-06-30 | 117 | $194.6M | — |
Act Capital Management, LLC's most significant position changes for 2026-03-31: New buy: Alumis INC (ALMS); Sold out: Celcuity INC Com Mar 20 26 $50 Call (celc); Sold out: Structure Therapeutics INC (GPCR); Sold out: Figure Technology Solut-cl A (FIGR); Sold out: Spotify Technology S.A. (SPOT).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | CELC | Celcuity INC | +3.1% | +44.56% | Add |
| 2 | CVX | Chevron CORP | +2.5% | -4.46% | Trim |
| 3 | NKTR | Nektar Therapeutics | +2.3% | +38.48% | Add |
| 4 | XOM | Exxon Mobil CORP | +1.3% | -15.15% | Trim |
| 5 | AMZN | Amazon.com INC | +0.8% | +34.15% | Add |
| 6 | PRAX | Praxis Precision Medicines I | +0.5% | +285.71% | Add |
| 7 | ET | Energy Transfer LP | +0.3% | — | Unchanged |
| 8 | KRYS | Krystal Biotech INC | +0.2% | -0.04% | Trim |
| 9 | ARWR | Arrowhead Pharmaceuticals In | 0% | +10.00% | Add |
| 10 | TGTX | Tg Therapeutics INC | 0% | -7.38% | Trim |
| 11 | PATH | Uipath INC - Class A | -0.2% | +6.38% | Add |
| 12 | STAA | Staar Surgical Co | -0.2% | — | Unchanged |
| 13 | HCC | Warrior Met Coal INC | -0.4% | -50.00% | Trim |
| 14 | BE | Bloom Energy Corp- A | -0.4% | -65.38% | Trim |
| 15 | VKTX | Viking Therapeutics INC | -0.5% | +1.55% | Add |
| 16 | RGNX | Regenxbio INC | -0.6% | -32.12% | Trim |
| 17 | ABVX | Abivax Sa-adr | -0.8% | +10.95% | Add |
| 18 | OLMA | Olema Pharmaceuticals INC | -0.8% | -53.27% | Trim |
| 19 | GBTC | Grayscale Bitcoin Trust ETF | -1.3% | -55.23% | Trim |
| 20 | NUVB | Nuvation Bio INC | -3.4% | -52.50% | Trim |
| 21 | ALMS | Alumis INC | — | NEW | New buy |
| 22 | ✓ | Celcuity INC Com Mar 20 26 $50 Call (celc) | — | EXIT | Sold out |
| 23 | GPCR | Structure Therapeutics INC | — | EXIT | Sold out |
| 24 | FIGR | Figure Technology Solut-cl A | — | EXIT | Sold out |
| 25 | SPOT | Spotify Technology S.A. | — | EXIT | Sold out |
| 26 | FCX | Freeport-mcmoran INC | — | NEW | New buy |
| 27 | AAOI | Applied Optoelectronics INC | — | NEW | New buy |
| 28 | XENE | Xenon Pharmaceuticals INC | — | NEW | New buy |
| 29 | IBM | Intl Business Machines CORP | — | EXIT | Sold out |
| 30 | ✓ | — | EXIT | Sold out | |
| 31 | EOG | Eog Resources INC | — | EXIT | Sold out |
| 32 | SNDK | Sandisk CORP | — | EXIT | Sold out |
| 33 | DVN | Devon Energy CORP | — | EXIT | Sold out |
| 34 | TEVA | Teva Pharmaceutical-sp Adr | — | EXIT | Sold out |
| 35 | S | Sentinelone INC -class A | — | NEW | New buy |
| 36 | LITE | Lumentum Holdings INC | — | NEW | New buy |
| 37 | VIR | Vir Biotechnology INC | — | NEW | New buy |
| 38 | CRCL | Circle Internet Group INC | — | NEW | New buy |
| 39 | APGE | Apogee Therapeutics INC | — | EXIT | Sold out |
| 40 | MU | Micron Technology INC | — | NEW | New buy |
| 41 | NVDA | Nvidia CORP | — | NEW | New buy |
| 42 | GLUE | Monte Rosa Therapeutics INC | — | NEW | New buy |
| 43 | ONDS | Ondas INC | — | NEW | New buy |
| 44 | LQDA | Liquidia CORP | — | EXIT | Sold out |
| 45 | MBX | Mbx Biosciences INC | — | NEW | New buy |
| 46 | APC | Arko Petroleum CORP | — | NEW | New buy |
| 47 | RYZ | Ryerson Holding CORP | — | NEW | New buy |
| 48 | BW | Babcock & Wilcox Enterpr | — | EXIT | Sold out |
| 49 | ALDX | Aldeyra Therapeutics INC | — | EXIT | Sold out |
| 50 | INCY | Incyte CORP | — | NEW | New buy |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-08 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-17 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-03 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-12 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-11 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-03 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-16 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-16 | 13F-HR | View on EDGAR |
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