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SUMMIT PARTNERS L P

Position in LFST — LifeStance Health Group, Inc.

CIK 830588 BOSTON, MA

Position in LFST

as of Jun 30, 2026 · filed Jul 30, 2026
Position Value
$249,651,331
+$63,585,058 QoQ
Shares Held
23,310,115
-20.2% QoQ
Ownership
6.10%
of shares outstanding
% of Portfolio
41.00%
of 13F equity value
Holder Rank
#4
of 284 holders
Holding Since
Jun 2021
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in LFST Over Time

Shares Held

Position Value (USD)

Position in Medical Care Facilities

Healthcare · as of Jun 30, 2026

SUMMIT PARTNERS L P holds $249,651,331 across 1 Medical Care Facilities name. LFST ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 LFST
LifeStance Health Group, Inc.
This page
23,310,115 $249,651,331

All Filings in LFST

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $249,651,331 23,310,115
2026-06-30 $249,651,331 23,310,115
2026-03-31 $186,066,273 29,209,776
2026-03-31 $186,066,273 29,209,776
2025-12-31 $236,013,993 33,524,715
2025-09-30 $184,385,932 33,524,715
2025-06-30 $216,790,290 41,932,358
2025-03-31 $279,269,504 41,932,358
2024-12-31 $309,041,478 41,932,358
2024-09-30 $293,526,506 41,932,358
2024-06-30 $205,887,877 41,932,358
2024-03-31 $282,183,117 45,734,703
2023-12-31 $358,102,724 45,734,703
2023-09-30 $314,197,409 45,734,703
2023-06-30 $417,557,838 45,734,703
2023-03-31 $339,808,843 45,734,703
2022-12-31 $225,929,437 45,734,704
2022-09-30 $302,763,733 45,734,703
2022-06-30 $254,284,948 45,734,703
2022-03-31 $462,377,847 45,734,703
2021-12-31 $435,394,372 45,734,703
2021-09-30 $663,153,193 45,734,703
2021-06-30 $1,305,948,839 46,875,407