Latest SUMMIT PARTNERS L P Stock Portfolio
SUMMIT PARTNERS L P Performance:
2025 Q3: 3.43%YTD: -7.19%2024: -9.16%
Performance for 2025 Q3 is 3.43%, and YTD is -7.19%, and 2024 is -9.16%.
About SUMMIT PARTNERS L P and 13F Hedge Fund Stock Holdings
In it's latest 13F Holdings report, SUMMIT PARTNERS L P reported an equity portfolio of $924.3 Millions as of 30 Sep, 2025.
The top stock holdings of SUMMIT PARTNERS L P are , LFST, AVAH. The fund has invested 56.5% of it's portfolio in KLAVIYO, INC. (2) and 20% of portfolio in LIFESTANCE HEALTH GROUP INC.
They significantly reduced their stock positions in KLAVIYO, INC. (2) and LIFESTANCE HEALTH GROUP INC. (LFST). SUMMIT PARTNERS L P opened new stock positions in SOLO BRANDS INC (3) (DTC).
The top stock holdings of SUMMIT PARTNERS L P are , LFST, AVAH. The fund has invested 56.5% of it's portfolio in KLAVIYO, INC. (2) and 20% of portfolio in LIFESTANCE HEALTH GROUP INC.
They significantly reduced their stock positions in KLAVIYO, INC. (2) and LIFESTANCE HEALTH GROUP INC. (LFST). SUMMIT PARTNERS L P opened new stock positions in SOLO BRANDS INC (3) (DTC).
SUMMIT PARTNERS L P Annual Return Estimates Vs S&P 500
Our best estimate is that SUMMIT PARTNERS L P made a return of 3.43% in the last quarter. In trailing 12 months, it's portfolio return was -8.85%.
New Buys
| Ticker | $ Bought |
|---|---|
| solo brands inc (3) | 16,645,200 |
New stocks bought by SUMMIT PARTNERS L P
Additions
Reductions
| Ticker | % Reduced |
|---|---|
| klaviyo, inc. (2) | -38.84 |
| lifestance health group inc. | -20.05 |
SUMMIT PARTNERS L P reduced stake in above stock
Sold off
Sector Distribution
SUMMIT PARTNERS L P has about 56.5% of it's holdings in Others sector.
| Sector | % |
|---|---|
| Others | 56.5 |
| Healthcare | 29.2 |
| Consumer Cyclical | 8.1 |
| Technology | 6.2 |
Market Cap. Distribution
SUMMIT PARTNERS L P has about 0% of it's portfolio invested in the large-cap and mega-cap stocks.
| Category | % |
|---|---|
| UNALLOCATED | 56.5 |
| MID-CAP | 25.8 |
| SMALL-CAP | 9.6 |
| MICRO-CAP | 8.1 |
Stocks belong to which Index?
About 37.2% of the stocks held by SUMMIT PARTNERS L P either belong to S&P 500 or RUSSELL 2000 index.
| Index | % |
|---|---|
| Others | 62.8 |
| RUSSELL 2000 | 37.2 |
SUMMIT PARTNERS L P Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of SUMMIT PARTNERS L P
SUMMIT PARTNERS L P has 8 stocks in it's portfolio. AKA proved to be the most loss making stock for the portfolio. AVAH was the most profitable stock for SUMMIT PARTNERS L P last quarter.
Last Reported on: 04 Nov, 2025| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| AKA | a k a brands hldg corp (1) | 6.32 | 6,053,690 | 58,418,100 | unchanged | 0.00 | ||
| ATEN | a10 networks, inc. | 0.37 | 187,367 | 3,400,710 | unchanged | 0.00 | ||
| AVAH | aveanna healthcare hldgs inc | 9.26 | 9,651,420 | 85,608,100 | unchanged | 0.00 | ||
| DTC | solo brands inc (3) | 1.80 | 1,100,870 | 16,645,200 | new | |||
| JAMF | jamf holdings corp | 5.18 | 4,475,380 | 47,886,600 | unchanged | 0.00 | ||
| LFST | lifestance health group inc. | 19.95 | 33,524,700 | 184,386,000 | reduced | -20.05 | ||
| MTSI | macom technology solutions holdings inc. | 0.64 | 47,650 | 5,931,950 | unchanged | 0.00 | ||
| klaviyo, inc. (2) | 56.48 | 18,852,800 | 522,033,000 | reduced | -38.84 | |||