Summit Partners L P Insider Trading Activity

Institutional Filer10%+ Owner · CIK 830588

5

Total trades

$527.8M

Total volume

Sep 8, 2025

Last activity

KVYO

Klaviyo, Inc.

Summit Partners L P, an institutional filer, recorded 4 transactions over the last 12 months across 2 companies totaling $394.4M.

Activity concentrated in KVYO with 3 filings. The largest single transaction was a sale of KVYO for $195.1M on Aug 13, 2025.

Performance Scorecard

Forward stock performance after each transaction by Summit Partners L P. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days-1.3%20%5
90 days-0.4%80%5
120 days-2.6%40%5

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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Recent Trades

DATETICKERTYPESHARESPRICEVALUEROLE
Sep 8, 2025KVYOSell4,000,000$31.87$127.5M10%+ Owner
Aug 25, 2025KVYOSell975,000$30.01$29.3M10%+ Owner
Aug 18, 2025LFSTSell8,407,643$5.07$42.6M10%+ Owner
Aug 13, 2025KVYOSell6,500,000$30.01$195.1M10%+ Owner
Jun 4, 2025KVYOSell4,000,000$33.35$133.4M10%+ Owner

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
KVYOKlaviyo, Inc.4$485.2M
LFSTLifeStance Health Group, Inc.1$42.6M

Other insiders at Klaviyo, Inc.

6 other tracked filers at KVYO.