KYVERNA THERAPEUTICS INC KYTX
COM · Common Stock · CUSIP 501976104
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersEmeryville, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.7m this quarter). Holder counts are more reliable. Shares outstanding: 61.8m as of 2026-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $8.91. Options: 4 managers hold calls ($1.7m notional), 4 hold puts ($1.2m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2024 | 91 |
| Q2 2024 | 89 |
| Q3 2024 | 95 |
| Q4 2024 | 89 |
| Q1 2025 | 88 |
| Q2 2025 | 80 |
| Q3 2025 | 75 |
| Q4 2025 | 99 |
| Q1 2026 | 111 |
| Q2 2026 | 120 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 50 | 43 |
| Q4 2024 | 47 | 42 |
| Q1 2025 | 39 | 38 |
| Q2 2025 | 44 | 48 |
| Q3 2025 | 28 | 43 |
| Q4 2025 | 62 | 30 |
| Q1 2026 | 55 | 49 |
| Q2 2026 | 67 | 49 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $1.1m | $600 | 0.00 |
| Q4 2025 | $967.3k | $1.2m | 1.23 |
| Q1 2026 | $1.4m | $467.7k | 0.33 |
| Q2 2026 | $1.7m | $1.2m | 0.69 |
Biggest buyers
| BlackRock, Inc. | Added | +2.3m |
| STATE STREET CORP | Added | +843.9k |
| AIGH Capital Management LLC | Added | +795.8k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +625.6k |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | +282.2k |
| WELLS FARGO & COMPANY/MN | Added | +258.6k |
| Propel Bio Management, LLC | Added | +238.8k |
| NORTHERN TRUST CORP | Added | +237.3k |
| Nuveen, LLC | New | +233.7k |
| BANK OF AMERICA CORP /DE/ | Added | +209.7k |
Biggest sellers
| Balyasny Asset Management L.P. | Reduced | -1.0m |
| MARSHALL WACE, LLP | Sold out | -605.5k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -421.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -369.3k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -365.7k |
| D. E. Shaw & Co., Inc. | Reduced | -252.2k |
| Bain Capital Life Sciences Investors, LLC | Reduced | -225.0k |
| Point72 Asset Management, L.P. | Sold out | -222.9k |
| Qube Research & Technologies Ltd | Reduced | -210.0k |
| Invesco Ltd. | Reduced | -130.9k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $1.1m123.3k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $314.5k35.3k shares |
| JANE STREET GROUP, LLC | Added | $176.4k19.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $138.1k15.5k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $492.7k55.3k shares |
| CITADEL ADVISORS LLC | New | $454.4k51.0k shares |
| JANE STREET GROUP, LLC | New | $245.0k27.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $5.3k600 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Westlake BioPartners Fund I, L.P. 13G · exempt (held before listing) filed 2026-02-06 | 7.8% |
| GordonMD Global Investments LP 13G · passive investor new · filed 2025-11-17 | 7.0% |
| Northpond Ventures III, LP 13G · passive investor filed 2026-02-17 | 6.1% |
| HIRSCHMAN ORIN 13G · institution new · filed 2026-10-19 | 5.9% |
| BlackRock, Inc. 13G · institution new · filed 2026-07-29 | 5.1% |
Fell to 5% or below in the last year: Bain Capital Life Sciences Opportunities III, LP (4.8%, 2026-08-14)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 1 | $1,000.0k | 1 | $292.8k | $292.8k |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| GordonMD Global Investments LP 18.30% of their portfolio | 4.2m $37.8m | Unchanged |
| GILEAD SCIENCES, INC. 2.23% of their portfolio | 4.1m $36.8m | Unchanged |
| BlackRock, Inc. 0.00% of their portfolio | 3.1m $27.9m | Added +2.3m |
| Bain Capital Life Sciences Investors, LLC 1.53% of their portfolio | 2.9m $25.7m | Reduced -225.0k |
| AIGH Capital Management LLC 2.26% of their portfolio | 2.8m $24.9m | Added +795.8k |
| DEERFIELD MANAGEMENT COMPANY, L.P. 0.19% of their portfolio | 2.0m $17.8m | Unchanged |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.9m $16.9m | Added +114.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 1.2m $10.6m | Reduced -369.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.0m $9.4m | Added +625.6k |
| Insight Holdings Group, LLC 0.67% of their portfolio | 989.1k $8.8m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 982.3k $8.8m | Added +5.0k |
| STATE STREET CORP 0.00% of their portfolio | 982.2k $8.8m | Added +843.9k |
| Propel Bio Management, LLC 4.12% of their portfolio | 883.2k $7.9m | Added +238.8k |
| Woodline Partners LP 0.02% of their portfolio | 845.3k $7.5m | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 639.8k $5.7m | Reduced -365.7k |
| MBB PUBLIC MARKETS I LLC 0.59% of their portfolio | 614.5k $5.5m | Unchanged |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.01% of their portfolio | 500.0k $4.5m | Unchanged |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 469.3k $4.2m | Reduced -252.2k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 373.0k $3.3m | Added +258.6k |
| UBS Group AG 0.00% of their portfolio | 365.6k $3.3m | Reduced -84.2k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 335.2k $3.0m | Added +122.3k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 333.9k $3.0m | Reduced -33.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 319.7k $2.8m | Added +108.6k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 315.4k $2.8m | Added +237.3k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 310.6k $2.8m | Reduced -101.4k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 282.2k $2.5m | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 265.4k $2.4m | Added +209.7k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 259.7k $2.3m | Added +35.1k |
| Walleye Capital LLC 0.01% of their portfolio | 245.6k $2.2m | Added +207.4k |
| Y-Intercept (Hong Kong) Ltd 0.04% of their portfolio | 242.4k $2.2m | Added +127.5k |
| Nuveen, LLC 0.00% of their portfolio | 233.7k $2.1m | New |
| Burkehill Global Management, LP 0.06% of their portfolio | 200.0k $1.8m | Unchanged |
| Simplify Asset Management Inc. 0.02% of their portfolio | 182.6k $1.6m | Added +9.5k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 155.8k $1.4m | Reduced -421.8k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 149.9k $1.3m | Unchanged |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 147.6k $1.3m | Added +89.5k |
| TD Asset Management Inc 0.00% of their portfolio | 145.7k $1.3m | Reduced -23.4k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 140.0k $1.2m | Added +9.4k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 123.6k $1.1m | Reduced -210.0k |
| BARCLAYS PLC 0.00% of their portfolio | 117.8k $1.0m | Reduced -18.5k |
| WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio | 117.4k $1.0m | New |
| WESBANCO BANK INC 0.02% of their portfolio | 110.3k $982.8k | Unchanged |
| Jump Financial, LLC 0.01% of their portfolio | 101.4k $903.0k | Added +48.6k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 100.3k $893.5k | New |
| FMR LLC 0.00% of their portfolio | 96.1k $855.8k | Added +89.2k |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 96.0k $855.8k | Reduced -1.0m |
| Susquehanna Portfolio Strategies, LLC 0.01% of their portfolio | 88.8k $791.6k | Added +61.0k |
| Squarepoint Ops LLC 0.00% of their portfolio | 82.9k $738.3k | Reduced -64.1k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 82.2k $732.5k | Reduced -52.3k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 78.4k $698.7k | Unchanged |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P 0.48% of their portfolio | 70.0k $623.7k | Added +18.0k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 69.4k $617.9k | Added +16.1k |
| Man Group plc 0.00% of their portfolio | 68.6k $611.6k | Added +15.1k |
| Invesco Ltd. 0.00% of their portfolio | 55.8k $497.2k | Reduced -130.9k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 51.3k $457.3k | Reduced -130.3k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 50.2k $447.2k | New |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.01% of their portfolio | 45.4k $404.2k | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 44.9k $399.6k | Added +40.9k |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 41.9k $372.0k | New |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 40.0k $356.4k | Added +26.1k |
| ACT CAPITAL MANAGEMENT, LLC 0.23% of their portfolio | 40.0k $356.4k | Added +10.0k |
| Kera Capital Partners, Inc. 0.03% of their portfolio | 40.0k $356.4k | Reduced -68.1k |
| Banque Cantonale Vaudoise 0.01% of their portfolio | 33.4k $298.0k | Added +2.9k |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 30.7k $273.6k | Added +10.0k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 25.7k $229.4k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 25.6k $228.3k | New |
| Spark Investment Management LLC 0.44% of their portfolio | 25.1k $223.6k | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 23.0k $201.8k | Added +18.3k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 22.1k $190.7k | New |
| XTX Topco Ltd 0.00% of their portfolio | 21.9k $195.1k | New |
| Quantbot Technologies LP 0.01% of their portfolio | 21.3k $189.7k | Added +20.5k |
| CITIGROUP INC 0.00% of their portfolio | 20.9k $185.8k | Reduced -21.4k |
| Phoenix Wealth Advisors 0.06% of their portfolio | 19.8k $176.4k | Unchanged |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 19.2k $171.4k | New |
| Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio | 18.0k $160.3k | Reduced -760 |
| WINTON GROUP Ltd 0.01% of their portfolio | 17.4k $155.0k | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 17.3k $154.3k | Reduced -86.9k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 15.0k $133.6k | Unchanged |
| Virtu Financial LLC 0.00% of their portfolio | 13.6k $121.0k | New |
| IFP Advisors, Inc 0.00% of their portfolio | 12.5k $111.4k | New |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 12.4k $110.3k | New |
| CAXTON CORP 5.94% of their portfolio | 12.3k $110.0k | Reduced -6.4k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 11.8k $105.6k | New |
| Ethic Inc. 0.00% of their portfolio | 11.8k $105.3k | Reduced -105 |
| Samalin Investment Counsel, LLC 0.03% of their portfolio | 11.6k $103.3k | New |
| ExodusPoint Capital Management, LP 0.00% of their portfolio | 11.5k $102.3k | Reduced -37.5k |
| State of Wyoming 0.01% of their portfolio | 10.8k $96.7k | New |
| CAPITAL ADVISORS INC/OK 0.00% of their portfolio | 10.0k $89.1k | Unchanged |
| Grey Ledge Advisors, LLC 0.02% of their portfolio | 10.0k $89.1k | Unchanged |
| China Universal Asset Management Co., Ltd. 0.01% of their portfolio | 9.7k $86.2k | Reduced -462 |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 9.0k $80.2k | New |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 8.6k $76.5k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 6.9k $61.0k | Added +4.3k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 4.7k $41.6k | Added +3.4k |
| Legal & General Group Plc 0.00% of their portfolio | 4.1k $36.3k | New |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 3.9k $35.1k | Added +3.2k |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 3.8k $33.9k | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 3.1k $27.7k | Added +1.5k |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 2.7k $24.2k | Reduced -261 |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 2.4k $21.0k | Reduced -775 |