LifeStance Health Group, Inc. - Common Stock, par value $0.01 per share (LFST)

CUSIP: 53228F101

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class
Equity / Common Stock, par value $0.01 per share
Total 13F shares
373,840,439
Total 13F value
$2,631,720,829
Holder snapshot 6 visible 7 signals
Share change
+10,563,766
Put/Call ratio
9.2%
SEC-reported price per share
$7.04
Number of holders
204
Value change
+$79,141,014
Number of buys
123
Open additional details 1 more signal available
Number of sells
93
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
381,380,935

Security key

53228F101

Report period

Q4 2025

Institutions

204

Top holders

10

LFST full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 LifeStance Health Group, Inc. SEC filings LifeStance Health Group, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of LFST - LifeStance Health Group, Inc. - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
SUMMIT PARTNERS L P
Disclosed value leader
TPG GP A, LLC
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F 3/4/5 Lead comparable stake: 8.8% Showing 1-6 of 15 holder rows.

Quick read

SUMMIT PARTNERS L P leads the comparable SEC ownership view at 8.8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens SUMMIT PARTNERS L P's linked filing trail.
Comparable ownership Top 5
SUMMIT PARTNERS L P 8.8%
Silversmith Partners I GP, LLC 3.8%
Pablo Pantaleoni 0.38%
Teresa DeLuca 0.03%
Ujjwal Ramtekkar 0.03%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
SUMMIT PARTNERS L P
13F 3/4/5
Company · 10%+ Owner
13F 3/4/5
8.8%
from 3/4/5
$184,385,933
33,524,715 shares
 — 30 Sep 2025
Silversmith Partners I GP, LLC
3/4/5
Member of 10% Group
3/4/5
3.8%
$72,623,678
14,324,197 shares
 -$18,213,250 18 Aug 2025
Pablo Pantaleoni
3/4/5
Chief Digital Officer
3/4/5
0.38%
$9,899,334
1,437,881 shares
 — 01 Apr 2025
Teresa DeLuca
3/4/5
Director
3/4/5
0.03%
$614,760
107,288 shares
 — 11 Jun 2025
Ujjwal Ramtekkar
3/4/5
Chief Medical Officer
3/4/5
0.03%
$537,245
103,916 shares
 -$49,213 16 Jun 2025
Sarah Personette
3/4/5
Director
3/4/5
0.02%
$411,213
74,766 shares
 — 20 Aug 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
204
Shares
373,840,439
Rows available
204
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
208
Q4 2025 holders
204
Holder diff
-4
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .