SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC — 13F Holdings & Portfolio
CIK 1638555 · latest 13F-HR filed 2026-08-14
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC manages $5.69B in 13F-reported U.S. long-equity assets across 155 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SMH (8.23%), SNDK (6.21%), GH (2.55%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 32 new positions and exited 19; 30 existing positions rose in reported value and 14 fell.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
| Name | Title / Status | Ownership | Type |
|---|
Quarter-over-quarter changes
Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.
Top Adds (vs prior quarter)
- SANDISK CORP$235.5M +199.8%
- NEBIUS GROUP N.V.$95.1M +327.2%
- MKS INC.$77.4M +119.4%
- GUARDANT HEALTH INC$65.5M +82.1%
- DIGITALOCEAN HLDGS INC$59.0M +73.4%
Top Trims
- IONIS PHARMACEUTICALS INC-$43.0M -40.8%
- SAMSARA INC-$33.9M -83.1%
- ADVANCED ENERGY INDS-$33.2M -61.8%
- LATTICE SEMICONDUCTOR CORP-$20.5M -41.6%
- JFROG LTD-$17.6M -75.1%
New Positions
- SNOWFLAKE INC$112.1M
- HUT 8 CORP$110.7M
- DATADOG INC$103.4M
- ONTO INNOVATION INC$87.8M
- ORUKA THERAPEUTICS INC$62.7M
Exited Positions
- INSMED INC$106.9M
- AKAMAI TECHNOLOGIES INC$67.0M
- EATON CORP PLC$34.0M
- NRG ENERGY INC$32.2M
- GENEDX HOLDINGS CORP$30.8M
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC Holdings (2026-06-30)
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | VANECK ETF TRUST Put | SMH | 92189F676 | $468.3M | 8.23% | 714,000 | SH |
| 2 | SANDISK CORP | SNDK | 80004C200 | $353.3M | 6.21% | 155,402 | SH |
| 3 | GUARDANT HEALTH INC | GH | 40131M109 | $145.2M | 2.55% | 967,697 | SH |
| 4 | MKS INC. | MKSI | 55306N104 | $142.3M | 2.50% | 319,833 | SH |
| 5 | DIGITALOCEAN HLDGS INC | DOCN | 25402D102 | $139.4M | 2.45% | 887,435 | SH |
| 6 | SOLARIS ENERGY INFRAS INC | SEI | 83418M103 | $136.2M | 2.39% | 1,692,838 | SH |
| 7 | TOWER SEMICONDUCTOR LTD | TSEM | M87915274 | $134.9M | 2.37% | 517,547 | SH |
| 8 | NEBIUS GROUP N.V. | NBIS | N97284108 | $124.1M | 2.18% | 449,416 | SH |
| 9 | SNOWFLAKE INC | SNOW | 833445109 | $112.1M | 1.97% | 440,409 | SH |
| 10 | HUT 8 CORP | HUT | 44812J104 | $110.7M | 1.94% | 958,500 | SH |
| 11 | NATERA INC | NTRA | 632307104 | $105.6M | 1.86% | 389,000 | SH |
| 12 | DATADOG INC | DDOG | 23804L103 | $103.4M | 1.82% | 396,975 | SH |
| 13 | NVIDIA CORPORATION | NVDA | 67066G104 | $90.0M | 1.58% | 449,977 | SH |
| 14 | ONTO INNOVATION INC | ONTO | 683344105 | $87.8M | 1.54% | 232,000 | SH |
| 15 | SILICON MOTION TECHNOLOGY CO | SIMO | 82706C108 | $87.3M | 1.53% | 261,815 | SH |
| 16 | SANDISK CORP Put | SNDK | 80004C200 | $79.6M | 1.40% | 35,000 | SH |
| 17 | SITIME CORP | SITM | 82982T106 | $76.8M | 1.35% | 102,958 | SH |
| 18 | DELL TECHNOLOGIES INC Put | DELL | 24703L202 | $76.4M | 1.34% | 177,000 | SH |
| 19 | KLA CORP Put | KLAC | 482480100 | $69.2M | 1.22% | 229,500 | SH |
| 20 | ARROWHEAD PHARMACEUTICALS IN | ARWR | 04280A100 | $67.7M | 1.19% | 830,247 | SH |
| 21 | COMPASS INC | COMP | 20464U100 | $66.6M | 1.17% | 5,405,000 | SH |
| 22 | ORUKA THERAPEUTICS INC | ORKA | 687604108 | $62.7M | 1.10% | 658,301 | SH |
| 23 | IONIS PHARMACEUTICALS INC | IONS | 462222100 | $62.4M | 1.10% | 787,263 | SH |
| 24 | GLAUKOS CORP | GKOS | 377322102 | $62.4M | 1.10% | 446,550 | SH |
| 25 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $58.9M | 1.03% | 123,250 | SH |
| 26 | INTEL CORP Put | INTC | 458140100 | $56.3M | 0.99% | 403,000 | SH |
| 27 | ABIVAX SA | ABVX | 00370M103 | $54.6M | 0.96% | 410,000 | SH |
| 28 | SHARKNINJA INC | SN | G8068L108 | $54.4M | 0.96% | 357,266 | SH |
| 29 | VERTIV HOLDINGS CO | VRT | 92537N108 | $53.9M | 0.95% | 160,915 | SH |
| 30 | CREDO TECHNOLOGY GROUP HOLDI | CRDO | G25457105 | $53.6M | 0.94% | 197,251 | SH |
| 31 | TWILIO INC | TWLO | 90138F102 | $53.2M | 0.94% | 257,911 | SH |
| 32 | RUSH STREET INTERACTIVE INC | RSI | 782011100 | $51.0M | 0.90% | 1,714,499 | SH |
| 33 | ALKERMES PLC | ALKS | G01767105 | $49.8M | 0.88% | 950,234 | SH |
| 34 | HEARTFLOW INC | HTFL | 42238D107 | $49.7M | 0.87% | 1,694,651 | SH |
| 35 | LAM RESEARCH CORP | LRCX | 512807306 | $49.4M | 0.87% | 114,000 | SH |
| 36 | FLEX LTD | FLEX | Y2573F102 | $49.4M | 0.87% | 304,618 | SH |
| 37 | ARM HOLDINGS PLC Call | ARM | 042068205 | $47.9M | 0.84% | 135,000 | SH |
| 38 | ALPHABET INC Call | GOOGL | 02079K305 | $46.5M | 0.82% | 130,000 | SH |
| 39 | BRIDGEBIO PHARMA INC | BBIO | 10806X102 | $46.3M | 0.81% | 621,125 | SH |
| 40 | FORGENT POWER SOLUTIONS INC | FPS | 34631F102 | $46.1M | 0.81% | 825,726 | SH |
| 41 | XOMETRY INC | XMTR | 98423F109 | $45.3M | 0.80% | 469,000 | SH |
| 42 | ORACLE CORP Call | ORCL | 68389X105 | $44.0M | 0.77% | 300,000 | SH |
| 43 | MARVELL TECHNOLOGY INC Put | MRVL | 573874104 | $43.9M | 0.77% | 147,500 | SH |
| 44 | ESTABLISHMENT LABS HLDGS INC | ESTA | G31249108 | $42.2M | 0.74% | 491,486 | SH |
| 45 | COMFORT SYS USA INC | FIX | 199908104 | $41.6M | 0.73% | 21,000 | SH |
| 46 | ADVANCED MICRO DEVICES INC Call | AMD | 007903107 | $41.0M | 0.72% | 70,500 | SH |
| 47 | APPLIED MATLS INC | AMAT | 038222105 | $39.8M | 0.70% | 55,000 | SH |
| 48 | WESTERN DIGITAL CORP Call | WDC | 958102105 | $39.0M | 0.68% | 61,000 | SH |
| 49 | COREWEAVE INC Call | CRWV | 21873S108 | $38.4M | 0.68% | 386,000 | SH |
| 50 | CROWDSTRIKE HLDGS INC | CRWD | 22788C105 | $38.2M | 0.67% | 50,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $5.69B | 155 | 0001172661-26-003456 |
| 2026-03-31 | 2026-05-15 | $3.72B | 148 | 0001172661-26-002113 |
| 2025-12-31 | 2026-02-17 | $4.81B | 124 | 0001172661-26-000834 |
| 2025-09-30 | 2025-11-14 | $4.82B | 165 | 0001172661-25-004936 |
18TH FLOOR
BOSTON, MA 02116