Summit Partners L P
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$670.2M
Q ending 2026-03-31
Prior quarter
$1.05B
Q ending 2025-12-31
Change
-36.2% QoQ · -58.4% YoY
Positions
7
reported holdings
Largest positions
All 7 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Klaviyo Inc | KVYO | Shares | $366.9M | 18.9M |
| Lifestance Health Group Inc | LFST | Shares | $186.1M | 29.2M |
| A K A Brands Hldg Corp | AKA | Shares | $62.4M | 6.1M |
| Aveanna Healthcare Hldgs Inc | AVAH | Shares | $35.1M | 5.5M |
| Macom Tech Solutions Hldgs I | MTSI | Shares | $10.9M | 49K |
| A10 Networks Inc | ATEN | Shares | $4.6M | 200K |
| Solo Brands Inc | SBDS | Shares | $4.1M | 1.1M |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.