Kyverna Therapeutics, Inc. - Common Stock, par value $0.00001 per share (KYTX)

CUSIP: 501976104

Q4 2025 13F Holders as of 31 Dec 2025

Holder snapshot 7 signals
Share change
+11,302,004
Put/Call ratio
116%
SEC-reported price per share
$9.40
Number of holders
99
Value change
+$111,162,333
Number of buys
61
Open additional details 1 more signal available
Number of sells
30
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
56,833,213

Security key

501976104

Report period

Q4 2025

Institutions

99

Top holders

10

Ownership snapshot

Top reported holders of KYTX - Kyverna Therapeutics, Inc. - Common Stock, par value $0.00001 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
Westlake BioPartners Fund...
Disclosed value leader
Westlake BioPartners Fund...
Comparable rows
15/15
Latest evidence
31 Dec 2025
13D/G 3/4/5 13F Lead comparable stake: 7.8% 13D/G row: Westlake BioPartners Fund I, L.P. Showing 1-6 of 15 holder rows.

Quick read

Westlake BioPartners Fund I, L.P. leads the comparable SEC ownership view at 7.8%.

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 Westlake BioPartners Fund I, L.P.'s linked filing trail.
Comparable ownership Top 5
Westlake BioPartners Fund I, L.P. 7.8%
GordonMD Global Investments LP 7%
Northpond Ventures III, LP 6.1%
Bain Capital Life Sciences Opport... 5.4%
Westlake BioPartners Opportunity ... 1.5%

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
Westlake BioPartners Fund I, L.P.
13D/G 3/4/5
Dr. Beth C. Seidenberg ("Seidenberg") · 10%+ Owner
7.8%
$43,778,216
4,657,257 shares
$0 31 Dec 2025
GordonMD Global Investments LP
13D/G
7%
$23,275,071
3,058,485 shares
$0 13 Nov 2025
Northpond Ventures III, LP
13D/G
Michael P. Rubin
6.1%
$28,531,978
3,466,826 shares
$0 31 Dec 2025
Bain Capital Life Sciences Opportunities III, LP
13D/G
5.4%
$25,595,300
3,110,000 shares
$0 31 Dec 2025
Westlake BioPartners Opportunity Fund I, L.P.
3/4/5
10%+ Owner
1.5%
$6,519,877
869,317 shares
+$999,998 18 Dec 2025
Vida Ventures Advisors, LLC
13F
Company
13F
8%
$27,143,544
4,523,924 shares
30 Sep 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
99
Shares
34,131,760
Rows available
99
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
74
Q4 2025 holders
99
Holder diff
25
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 .