Summit Partners Public Asset Management, LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Summit Partners Public Asset Management, LLC reported 79 stock positions worth $3.8 billion. Its top holding was Sandisk (SNDK) at 9.2% of the portfolio, followed by Guardant Health (GH, 3.8%) and MKS (MKSI, 3.7%). Compared with Q1 2026, it opened 32 new positions, sold out of 19, added to 17 and reduced 28. The biggest buy was a new position in Snowflake (SNOW) and the biggest sale an exit from Insmed (INSM).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0001638555
- Portfolio Value
- $3.8B (Q2 2026)
- SEC Filing
- 0001172661-26-003456 ↗ filed Aug 14, 2026
Holdings Value
Holdings 79 stocks · $3.8B
| SNDK Sandisk Corp. | 9.18% | 155,402 | $353.3M | Reduce -16.2% |
| GH Guardant Health Inc. | 3.77% | 967,697 | $145.2M | Add +12.1% |
| MKSI MKS Inc. | 3.70% | 319,833 | $142.3M | Add +13.3% |
| DOCN Digitalocean Holdings Inc. | 3.62% | 887,435 | $139.4M | Reduce -5.3% |
| SEI Solaris Energy Infrastructur | 3.54% | 1,692,838 | $136.2M | Reduce -2.1% |
| TSEM Tower Semiconductor Ltd. | 3.50% | 517,547 | $134.9M | Reduce -25.2% |
| NBIS Nebius Group NV | 3.22% | 449,416 | $124.1M | Add +60.5% |
| SNOW Snowflake Inc. | 2.91% | 440,409 | $112.1M | New |
| HUT Hut 8 Corp. | 2.87% | 958,500 | $110.7M | New |
| NTRA Natera Inc. | 2.74% | 389,000 | $105.6M | Add +4.7% |
| DDOG Datadog Inc. Class A | 2.69% | 396,975 | $103.4M | New |
| NVDA Nvidia Corp. | 2.34% | 449,977 | $90.0M | Add +0.1% |
| ONTO Onto Innovation Inc. | 2.28% | 232,000 | $87.8M | New |
| SIMO Silicon Motion Technol-ADR | 2.27% | 261,815 | $87.3M | Reduce -42.6% |
| SITM Sitime Corp. | 1.99% | 102,958 | $76.8M | Reduce -2.0% |
| ARWR Arrowhead Pharmaceuticals Inc. | 1.76% | 830,247 | $67.7M | Add +53.7% |
| COMP Compass Inc. Class A | 1.73% | 5,405,000 | $66.6M | Reduce -5.2% |
| ORKA Oruka Therapeutics Inc. | 1.63% | 658,301 | $62.7M | New |
| IONS Ionis Pharmaceuticals Inc. | 1.62% | 787,263 | $62.4M | Reduce -43.9% |
| GKOS Glaukos Corp. | 1.62% | 446,550 | $62.4M | New |
| TSM Taiwan Semiconductor-SP ADR | 1.53% | 123,250 | $58.9M | Reduce -1.5% |
| ABVX Abivax SA-ADR | 1.42% | 410,000 | $54.6M | New |
| SN Sharkninja Inc. | 1.41% | 357,266 | $54.4M | Add +495.4% |
| VRT Vertiv Holdings Co. Class A | 1.40% | 160,915 | $53.9M | No change |
| CRDO Credo Technology Group Holdi | 1.39% | 197,251 | $53.6M | Add +578.2% |
| TWLO Twilio Inc. Class A | 1.38% | 257,911 | $53.2M | New |
| RSI Rush Street Interactive Inc. | 1.32% | 1,714,499 | $51.0M | Add +497.4% |
| ALKS Alkermes PLC | 1.29% | 950,234 | $49.8M | New |
| HTFL Heartflow Inc. | 1.29% | 1,694,651 | $49.7M | Add +90.0% |
| LRCX Lam Research Corp. | 1.28% | 114,000 | $49.4M | Add +3.6% |
| FLEX Flex Ltd. | 1.28% | 304,618 | $49.4M | New |
| BBIO Bridgebio Pharma Inc. | 1.20% | 621,125 | $46.3M | Add +76.0% |
| FPS Forgent Power Solutions Class A | 1.20% | 825,726 | $46.1M | Add +17.8% |
| XMTR Xometry Inc. Class A | 1.18% | 469,000 | $45.3M | Reduce -33.9% |
| ESTA Establishment Labs Holdings | 1.10% | 491,486 | $42.2M | Add +25.1% |
| FIX Comfort Systems USA Inc. | 1.08% | 21,000 | $41.6M | Add +110.0% |
| AMAT Applied Materials Inc. | 1.03% | 55,000 | $39.8M | New |
| CRWD CrowdStrike Holdings Inc. Class A | 0.99% | 50,000 | $38.2M | New |
| SPOT Spotify Technology SA | 0.99% | 83,000 | $38.1M | Reduce -7.8% |
| SKY Champion Homes Inc. | 0.92% | 400,000 | $35.2M | Add +7.9% |
| TLN Talen Energy Corp. | 0.90% | 90,000 | $34.6M | New |
| CVNA Carvana Co. | 0.90% | 525,000 | $34.6M | Reduce -18.9% |
| ADI Analog Devices Inc. | 0.90% | 87,000 | $34.6M | Reduce -16.4% |
| MEC Mayville Engineering Co. Inc. | 0.78% | 800,000 | $30.0M | New |
| IRM Iron Mountain Inc. filed as IRON MTN INC DEL | 0.77% | 235,567 | $29.8M | New |
| CBRS Cerebras Systems Inc. Class A | 0.77% | 134,465 | $29.7M | New |
| LSCC Lattice Semiconductor Corp. | 0.75% | 188,000 | $28.8M | Reduce -64.6% |
| EQIX Equinix Inc. | 0.71% | 26,130 | $27.2M | New |
| CEG Constellation Energy | 0.65% | 100,000 | $24.8M | Add +25.0% |
| WULF Terawulf Inc. | 0.64% | 990,640 | $24.5M | New |
| FTAI Ftai Aviation Ltd. | 0.61% | 86,500 | $23.4M | New |
| FRVO Fervo Energy Co. Class A | 0.55% | 724,194 | $21.2M | New |
| FND Floor & Decor Holdings Inc. Class A | 0.54% | 350,000 | $20.8M | New |
| AEIS Advanced Energy Industries | 0.53% | 55,000 | $20.5M | Reduce -67.0% |
| CSTL Castle Biosciences Inc. | 0.51% | 824,872 | $19.7M | Reduce -12.3% |
| LBRT Liberty Energy Inc. | 0.51% | 750,000 | $19.6M | New |
| CRUS Cirrus Logic Inc. | 0.49% | 128,121 | $19.0M | Reduce -35.9% |
| DPC DPC Holdings PLC | 0.46% | 359,585 | $17.6M | New |
| AEVA Aeva Technologies Inc. | 0.41% | 550,000 | $15.8M | Reduce -40.2% |
| CAVA Cava Group Inc. | 0.41% | 200,000 | $15.7M | New |
| OUST Ouster Inc. | 0.41% | 250,000 | $15.6M | New |
| AAON Aaon Inc. | 0.33% | 100,000 | $12.7M | Reduce -55.6% |
| AXON Axon Enterprise Inc. | 0.31% | 21,500 | $12.1M | Reduce -35.8% |
| MRCY Mercury Systems Inc. | 0.31% | 98,122 | $12.0M | New |
| PI Impinj Inc. | 0.23% | 61,500 | $8.8M | New |
| CIFR Cipher Digital Inc. | 0.22% | 351,489 | $8.6M | New |
| PTRN Pattern Group Inc. Class A | 0.21% | 313,477 | $7.9M | Reduce -15.2% |
| AMZN Amazon.com Inc. | 0.19% | 30,000 | $7.2M | New |
| IOT Samsara Inc. Class A | 0.18% | 212,431 | $6.9M | Reduce -83.5% |
| CIEN Ciena Corp. | 0.17% | 13,348 | $6.5M | New |
| SPCX Space Exploration Techn Class A | 0.17% | 37,196 | $6.4M | New |
| AMBQ Ambiq Micro Inc. | 0.15% | 66,697 | $5.9M | Reduce -57.1% |
| FROG Jfrog Ltd. | 0.15% | 64,000 | $5.8M | Reduce -87.2% |
| TTAN Servicetitan Inc. Class A | 0.13% | 70,000 | $4.9M | Reduce -6.7% |
| BAND Bandwidth Inc. Class A | 0.12% | 72,000 | $4.6M | New |
| VEEV Veeva Systems Inc. Class A | 0.09% | 20,000 | $3.5M | No change |
| AVGO Broadcom Inc. | 0.06% | 6,500 | $2.5M | Reduce -75.0% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 0.06% | 1,100 | $2.2M | Reduce -84.9% |
| ZETA Zeta Global Holdings Corp. Class A | 0.05% | 100,000 | $2.0M | Reduce -68.0% |
Options reported separately and not counted above: SMH puts ($468.3M), SNDK puts ($79.6M), DELL puts ($76.4M), KLAC puts ($69.2M), INTC puts ($56.3M), ARM calls ($47.9M), GOOGL calls ($46.5M), ORCL calls ($44.0M), MRVL puts ($43.9M), AMD calls ($41.0M), WDC calls ($39.0M), CRWV calls ($38.4M), and 64 more.
Portfolio Sells Q1 2026 → Q2 2026
| INSM Insmed Inc. | Sold out | 0.00% | −4.94 |
| IONS Ionis Pharmaceuticals Inc. | Reduce -43.9% | 1.62% | −3.26 |
| AKAM Akamai Technologies Inc. | Sold out | 0.00% | −3.10 |
| TSEM Tower Semiconductor Ltd. | Reduce -25.2% | 3.50% | −2.12 |
| AEIS Advanced Energy Industries | Reduce -67.0% | 0.53% | −1.95 |
| IOT Samsara Inc. Class A | Reduce -83.5% | 0.18% | −1.71 |
| ETN Eaton Corp. PLC | Sold out | 0.00% | −1.57 |
| LSCC Lattice Semiconductor Corp. | Reduce -64.6% | 0.75% | −1.53 |
| NRG NRG Energy Inc. | Sold out | 0.00% | −1.49 |
| WGS Genedx Holdings Corp. | Sold out | 0.00% | −1.42 |
| LNG Cheniere Energy Inc. | Sold out | 0.00% | −1.31 |
| NET Cloudflare Inc. Class A | Sold out | 0.00% | −1.03 |
| SPOT Spotify Technology SA | Reduce -7.8% | 0.99% | −1.03 |
| AORT Artivion Inc. | Sold out | 0.00% | −1.03 |
| CVNA Carvana Co. | Reduce -18.9% | 0.90% | −0.99 |
| SEI Solaris Energy Infrastructur | Reduce -2.1% | 3.54% | −0.98 |
| FROG Jfrog Ltd. | Reduce -87.2% | 0.15% | −0.93 |
| CRUS Cirrus Logic Inc. | Reduce -35.9% | 0.49% | −0.84 |
| RRX Regal Rexnord Corp. | Sold out | 0.00% | −0.69 |
| ADI Analog Devices Inc. | Reduce -16.4% | 0.90% | −0.63 |
| MDB Mongodb Inc. | Sold out | 0.00% | −0.57 |
| CSTL Castle Biosciences Inc. | Reduce -12.3% | 0.51% | −0.56 |
| AAON Aaon Inc. | Reduce -55.6% | 0.33% | −0.53 |
| FSLY Fastly Inc. Class A | Sold out | 0.00% | −0.53 |
| RBRK Rubrik Inc. Class A | Sold out | 0.00% | −0.45 |
| TSM Taiwan Semiconductor-SP ADR | Reduce -1.5% | 1.53% | −0.43 |
| ASML ASML Holding NV-NY Reg SHS | Reduce -84.9% | 0.06% | −0.39 |
| VG Venture Global Inc. Class A | Sold out | 0.00% | −0.36 |
| AXON Axon Enterprise Inc. | Reduce -35.8% | 0.31% | −0.35 |
| AVGO Broadcom Inc. | Reduce -75.0% | 0.06% | −0.31 |
| FFIV F5 Inc. | Sold out | 0.00% | −0.31 |
| GLBE Global-E Online Ltd. | Sold out | 0.00% | −0.26 |
| RDWR Radware Ltd. | Sold out | 0.00% | −0.24 |
| COMP Compass Inc. Class A | Reduce -5.2% | 1.73% | −0.20 |
| ZETA Zeta Global Holdings Corp. Class A | Reduce -68.0% | 0.05% | −0.18 |
| XMTR Xometry Inc. Class A | Reduce -33.9% | 1.18% | −0.16 |
| AEVA Aeva Technologies Inc. | Reduce -40.2% | 0.41% | −0.15 |
| KMTS Kestra Medical Technologies | Sold out | 0.00% | −0.14 |
| SIMO Silicon Motion Technol-ADR | Reduce -42.6% | 2.27% | −0.10 |
| DOCN Digitalocean Holdings Inc. | Reduce -5.3% | 3.62% | −0.10 |
| TTAN Servicetitan Inc. Class A | Reduce -6.7% | 0.13% | −0.09 |
| ALGM Allegro Microsystems Inc. | Sold out | 0.00% | −0.08 |
| RDDT Reddit Inc. Class A | Sold out | 0.00% | −0.04 |
| AMBQ Ambiq Micro Inc. | Reduce -57.1% | 0.15% | −0.03 |
| PTRN Pattern Group Inc. Class A | Reduce -15.2% | 0.21% | −0.01 |
| SITM Sitime Corp. | Reduce -2.0% | 1.99% | +0.32 |
| SNDK Sandisk Corp. | Reduce -16.2% | 9.18% | +3.73 |
Portfolio Buys Q1 2026 → Q2 2026
| SNOW Snowflake Inc. | New | 2.91% | +2.91 |
| HUT Hut 8 Corp. | New | 2.87% | +2.87 |
| DDOG Datadog Inc. Class A | New | 2.69% | +2.69 |
| ONTO Onto Innovation Inc. | New | 2.28% | +2.28 |
| NBIS Nebius Group NV | Add +60.5% | 3.22% | +1.88 |
| ORKA Oruka Therapeutics Inc. | New | 1.63% | +1.63 |
| GKOS Glaukos Corp. | New | 1.62% | +1.62 |
| ABVX Abivax SA-ADR | New | 1.42% | +1.42 |
| TWLO Twilio Inc. Class A | New | 1.38% | +1.38 |
| ALKS Alkermes PLC | New | 1.29% | +1.29 |
| FLEX Flex Ltd. | New | 1.28% | +1.28 |
| CRDO Credo Technology Group Holdi | Add +578.2% | 1.39% | +1.27 |
| SN Sharkninja Inc. | Add +495.4% | 1.41% | +1.12 |
| RSI Rush Street Interactive Inc. | Add +497.4% | 1.32% | +1.04 |
| AMAT Applied Materials Inc. | New | 1.03% | +1.03 |
| CRWD CrowdStrike Holdings Inc. Class A | New | 0.99% | +0.99 |
| TLN Talen Energy Corp. | New | 0.90% | +0.90 |
| MEC Mayville Engineering Co. Inc. | New | 0.78% | +0.78 |
| IRM Iron Mountain Inc. | New | 0.77% | +0.77 |
| CBRS Cerebras Systems Inc. Class A | New | 0.77% | +0.77 |
| EQIX Equinix Inc. | New | 0.71% | +0.71 |
| MKSI MKS Inc. | Add +13.3% | 3.70% | +0.69 |
| WULF Terawulf Inc. | New | 0.64% | +0.64 |
| FTAI Ftai Aviation Ltd. | New | 0.61% | +0.61 |
| FRVO Fervo Energy Co. Class A | New | 0.55% | +0.55 |
| FND Floor & Decor Holdings Inc. Class A | New | 0.54% | +0.54 |
| LBRT Liberty Energy Inc. | New | 0.51% | +0.51 |
| DPC DPC Holdings PLC | New | 0.46% | +0.46 |
| FIX Comfort Systems USA Inc. | Add +110.0% | 1.08% | +0.44 |
| CAVA Cava Group Inc. | New | 0.41% | +0.41 |
| OUST Ouster Inc. | New | 0.41% | +0.41 |
| MRCY Mercury Systems Inc. | New | 0.31% | +0.31 |
| HTFL Heartflow Inc. | Add +90.0% | 1.29% | +0.29 |
| FPS Forgent Power Solutions Class A | Add +17.8% | 1.20% | +0.25 |
| PI Impinj Inc. | New | 0.23% | +0.23 |
| CIFR Cipher Digital Inc. | New | 0.22% | +0.22 |
| LRCX Lam Research Corp. | Add +3.6% | 1.28% | +0.20 |
| ARWR Arrowhead Pharmaceuticals Inc. | Add +53.7% | 1.76% | +0.19 |
| AMZN Amazon.com Inc. | New | 0.19% | +0.19 |
| CIEN Ciena Corp. | New | 0.17% | +0.17 |
| SPCX Space Exploration Techn Class A | New | 0.17% | +0.17 |
| BAND Bandwidth Inc. Class A | New | 0.12% | +0.12 |
| GH Guardant Health Inc. | Add +12.1% | 3.77% | +0.08 |
| ESTA Establishment Labs Holdings | Add +25.1% | 1.10% | +0.06 |
| BBIO Bridgebio Pharma Inc. | Add +76.0% | 1.20% | −0.01 |
| SKY Champion Homes Inc. | Add +7.9% | 0.92% | −0.36 |
| CEG Constellation Energy | Add +25.0% | 0.65% | −0.39 |
| NTRA Natera Inc. | Add +4.7% | 2.74% | −0.70 |
| NVDA Nvidia Corp. | Add +0.1% | 2.34% | −1.29 |
Options Activity Q1 2026 → Q2 2026
| SMH Vaneck Semiconductor ETF | put | Add +123.1% | 714,000 | $468.3M |
| IWM iShares Russell 2000 ETF | call | Sold out | 400,000 | $99.2Mbefore exit |
| SNDK Sandisk Corp. | put | Reduce -70.5% | 35,000 | $79.6M |
| TSEM Tower Semiconductor Ltd. | put | Sold out | 445,000 | $78.1Mbefore exit |
| DELL Dell Technologies -C | put | New | 177,000 | $76.4M |
| KLAC KLA Corp. | put | Add +129.5% | 229,500 | $69.2M |
| MELI MercadoLibre Inc. | call | Sold out | 34,000 | $58.8Mbefore exit |
| INTC Intel Corp. | put | New | 403,000 | $56.3M |
| ARM Arm Holdings PLC-ADR | call | Add +2600.0% | 135,000 | $47.9M |
| SEI Solaris Energy Infrastructur | put | Sold out | 825,000 | $46.6Mbefore exit |
| GOOGL Alphabet Inc. Class A | call | New | 130,000 | $46.5M |
| ORCL Oracle Corp. | call | New | 300,000 | $44.0M |
| MRVL Marvell Technology Inc. | put | New | 147,500 | $43.9M |
| AAPL Apple Inc. | call | Sold out | 173,000 | $43.9Mbefore exit |
| IWM iShares Russell 2000 ETF | put | Sold out | 175,000 | $43.4Mbefore exit |
| AMD Advanced Micro Devices | call | New | 70,500 | $41.0M |
| WDC Western Digital Corp. | call | New | 61,000 | $39.0M |
| CRWV Coreweave Inc. Class A | call | Add +282.2% | 386,000 | $38.4M |
| NVDA Nvidia Corp. | call | Add +31.9% | 186,000 | $37.2M |
| MDB Mongodb Inc. | call | New | 110,000 | $36.9M |
| LITE Lumentum Holdings Inc. | put | Sold out | 50,700 | $35.6Mbefore exit |
| ADI Analog Devices Inc. | call | Sold out | 108,000 | $34.4Mbefore exit |
| ETN Eaton Corp. PLC | put | Sold out | 95,000 | $34.0Mbefore exit |
| QQQ Invesco QQQ Trust Series 1 | put | Reduce -80.0% | 46,000 | $33.9M |
| IONS Ionis Pharmaceuticals Inc. | put | Sold out | 450,000 | $33.8Mbefore exit |
| NVDA Nvidia Corp. | put | Sold out | 190,000 | $33.1Mbefore exit |
| HUT Hut 8 Corp. | call | New | 286,000 | $33.0M |
| GH Guardant Health Inc. | put | Sold out | 350,000 | $32.3Mbefore exit |
| CVNA Carvana Co. | put | Sold out | 500,000 | $31.4Mbefore exit |
| TSEM Tower Semiconductor Ltd. | call | New | 104,000 | $27.1M |
| IREN Iren Ltd. | call | New | 580,000 | $26.5M |
| VICR Vicor Corp. | call | New | 65,000 | $24.7M |
| WDC Western Digital Corp. | put | Sold out | 90,000 | $24.3Mbefore exit |
| STX Seagate Technology Holdings | put | Sold out | 60,000 | $23.5Mbefore exit |
| AMD Advanced Micro Devices | put | New | 40,000 | $23.2M |
| FROG Jfrog Ltd. | call | New | 250,000 | $22.7M |
| RMBS Rambus Inc. | call | New | 170,000 | $22.6M |
| CEG Constellation Energy | put | Sold out | 80,000 | $22.3Mbefore exit |
| CIFR Cipher Digital Inc. | call | New | 903,100 | $22.1M |
| ORCL Oracle Corp. | put | Sold out | 146,000 | $21.5Mbefore exit |
| ABVX Abivax SA-ADR | put | New | 160,000 | $21.3M |
| CRWV Coreweave Inc. Class A | put | New | 213,400 | $21.2M |
| ON On Semiconductor | put | Add +53.8% | 223,000 | $21.1M |
| NOW ServiceNow Inc. | call | New | 200,000 | $19.9M |
| ALAB Astera Labs Inc. | put | New | 40,000 | $19.3M |
| CMI Cummins Inc. | call | Sold out | 35,000 | $18.8Mbefore exit |
| IGV iShares Expanded Tech-Softwa | put | New | 200,000 | $18.1M |
| TER Teradyne Inc. | call | Sold out | 60,000 | $17.8Mbefore exit |
| PRIM Primoris Services Corp. | call | Sold out | 123,000 | $17.6Mbefore exit |
| COMP Compass Inc. Class A | call | Add +160.0% | 1,300,000 | $16.0M |
Showing the first 50 of 134.
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 79 | $3.8B | SNDK, GH, MKSI, DOCN, SEI |
| Q1 2026 | 66 | $2.2B | TSEM, SNDK, INSM, IONS, SEI |
| Q4 2025 | 69 | $3.6B | SNDK, GEV, INSM, NVDA, MDB |
| Q3 2025 | 72 | $3.1B | VRNA, GEV, INSM, SPOT, NVDA |
| Q2 2025 | 71 | $2.6B | VRNA, SPOT, GEV, NVDA, INSM |
| Q1 2025 | 60 | $2.1B | VRNA, SPOT, WGS, GEV, NTRA |
| Q4 2024 | 67 | $3.0B | RDDT, ALAB, TSM, NTRA, GKOS |
| Q3 2024 | 64 | $2.2B | RDDT, SPOT, NVDA, TSM, ALAB |
| Q2 2024 | 70 | $2.2B | TSM, RDDT, NVDA, GEV, MU |
| Q1 2024 | 68 | $2.1B | MU, TSM, CEG, MELI, NEE |