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Institutional Ownership · SEC Form 13F

Who owns Kyverna Therapeutics (KYTX)


Which tracked institutional funds hold KYTX, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See KYTX company fundamentals →

Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.

117
Institutional holders
38M
Shares held (tracked funds)
62.1%
Of shares outstanding

How the tape is positioned

28 tracked funds added or opened KYTX while 20 trimmed or exited it between 2026-Q1 and 2026-Q2 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.

A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.

Conviction spread

KYTX’s largest tracked holder by dollar value, GordonMD Global Investments LP, sizes it at 18.3% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 18.3pp conviction gap — its largest holder concentrates the name more heavily than the typical one.

Book-share is each fund’s reported value in KYTX divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.

Institutional & insider positioning

Between 2026-Q1 and 2026-Q2, across 117 tracked filers holding KYTX, 65 increased or opened the position and 51 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.

This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.

New buyers & exits

Funds opening or closing a position in KYTX between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.

New buyers 4

  • VANGUARD PORTFOLIO MANAGEMENT LLC$3M
  • Nuveen, LLC$2M
  • WELLINGTON MANAGEMENT GROUP LLP$1M
  • Bank of New York Mellon Corp$894K

Full exits 4

  • MARSHALL WACE, LLP$5M
  • Point72 Asset Management, L.P.$2M
  • 683 Capital Management, LLC$734K
  • Hudson Bay Capital Management LP$613K

Largest adds

  • BlackRock, Inc.$20M
  • AIGH Capital Management LLC$8M
  • STATE STREET CORP$8M
  • GEODE CAPITAL MANAGEMENT, LLC$6M
  • WELLS FARGO & COMPANY/MN$2M
  • Propel Bio Management, LLC$2M

Largest trims

  • BALYASNY ASSET MANAGEMENT L.P.$9M
  • SUSQUEHANNA INTERNATIONAL GROUP, LLP$4M
  • MILLENNIUM MANAGEMENT LLC$3M
  • PRICE T ROWE ASSOCIATES INC /MD/$3M
  • D. E. Shaw & Co., Inc.$2M
  • Qube Research & Technologies Ltd$2M

Institutional holders

One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.

FundSharesReported value% of valueQuarter
GordonMD Global Investments LP4,244,818$38M11.3%2026-Q2
GILEAD SCIENCES, INC.4,126,119$37M11.0%2026-Q2
BlackRock, Inc. added3,134,807$28M8.4%2026-Q2
Bain Capital Life Sciences Investors, LLC trimmed2,885,000$26M7.7%2026-Q2
AIGH Capital Management LLC added2,795,797$25M7.5%2026-Q2
DEERFIELD MANAGEMENT COMPANY, L.P.2,000,000$18M5.3%2026-Q2
VANGUARD CAPITAL MANAGEMENT LLC added1,897,451$17M5.1%2026-Q2
PRICE T ROWE ASSOCIATES INC /MD/ trimmed1,186,023$11M3.2%2026-Q2
GEODE CAPITAL MANAGEMENT, LLC added1,049,430$9M2.8%2026-Q2
Insight Holdings Group, LLC989,054$9M2.6%2026-Q2
MORGAN STANLEY added982,307$9M2.6%2026-Q2
STATE STREET CORP added982,233$9M2.6%2026-Q2
Propel Bio Management, LLC added883,198$8M2.4%2026-Q2
Woodline Partners LP845,325$8M2.3%2026-Q2
MILLENNIUM MANAGEMENT LLC trimmed639,780$6M1.7%2026-Q2
MBB PUBLIC MARKETS I LLC614,477$5M1.6%2026-Q2
ADAGE CAPITAL PARTNERS GP, L.L.C.500,000$4M1.3%2026-Q2
D. E. Shaw & Co., Inc. trimmed469,346$4M1.3%2026-Q2
WELLS FARGO & COMPANY/MN added373,009$3M1.0%2026-Q2
UBS Group AG trimmed365,574$3M1.0%2026-Q2
GOLDMAN SACHS GROUP INC added335,230$3M0.9%2026-Q2
RENAISSANCE TECHNOLOGIES LLC trimmed333,899$3M0.9%2026-Q2
CHARLES SCHWAB INVESTMENT MANAGEMENT INC added319,666$3M0.9%2026-Q2
NORTHERN TRUST CORP added315,354$3M0.8%2026-Q2
BNP PARIBAS FINANCIAL MARKETS trimmed310,632$3M0.8%2026-Q2
VANGUARD PORTFOLIO MANAGEMENT LLC new282,189$3M0.8%2026-Q2
BANK OF AMERICA CORP /DE/ added265,405$2M0.7%2026-Q2
VANGUARD FIDUCIARY TRUST CO added259,667$2M0.7%2026-Q2
Walleye Capital LLC added245,587$2M0.7%2026-Q2
Y-Intercept (Hong Kong) Ltd added242,387$2M0.6%2026-Q2
Nuveen, LLC added233,743$2M0.6%2026-Q2
Burkehill Global Management, LP200,000$2M0.5%2026-Q2
Simplify Asset Management Inc. added182,603$2M0.5%2026-Q2
SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed155,800$1M0.4%2026-Q2
BRIDGEWAY CAPITAL MANAGEMENT, LLC149,900$1M0.4%2026-Q2
CITADEL ADVISORS LLC added147,627$1M0.4%2026-Q2
TD Asset Management Inc trimmed145,682$1M0.4%2026-Q2
STIFEL FINANCIAL CORP added139,965$1M0.4%2026-Q2
Qube Research & Technologies Ltd trimmed123,646$1M0.3%2026-Q2
BARCLAYS PLC trimmed117,844$1M0.3%2026-Q2
WELLINGTON MANAGEMENT GROUP LLP added117,442$1M0.3%2026-Q2
WESBANCO BANK INC110,300$983K0.3%2026-Q2
Jump Financial, LLC added101,352$903K0.3%2026-Q2
Bank of New York Mellon Corp added100,281$894K0.3%2026-Q2
FMR LLC added96,051$856K0.3%2026-Q2
BALYASNY ASSET MANAGEMENT L.P. trimmed96,048$856K0.3%2026-Q2
Susquehanna Portfolio Strategies, LLC added88,845$792K0.2%2026-Q2
Squarepoint Ops LLC trimmed82,867$738K0.2%2026-Q2
MANUFACTURERS LIFE INSURANCE COMPANY, THE trimmed82,207$732K0.2%2026-Q2
DIMENSIONAL FUND ADVISORS LP78,419$699K0.2%2026-Q2
NANO CAP NEW MILLENNIUM GROWTH FUND L P added70,000$624K0.2%2026-Q2
AMERICAN CENTURY COMPANIES INC added69,351$618K0.2%2026-Q2
Man Group plc added68,640$612K0.2%2026-Q2
Invesco Ltd. trimmed55,807$497K0.1%2026-Q2
TWO SIGMA INVESTMENTS, LP trimmed51,319$457K0.1%2026-Q2
RHUMBLINE ADVISERS added50,188$447K0.1%2026-Q2
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC new45,360$404K0.1%2026-Q2
DEUTSCHE BANK AG\ added44,853$400K0.1%2026-Q2
CANADA PENSION PLAN INVESTMENT BOARD added40,000$356K0.1%2026-Q2
ACT CAPITAL MANAGEMENT, LLC added40,000$356K0.1%2026-Q2
Kera Capital Partners, Inc. trimmed40,000$356K0.1%2026-Q2
FEDERATED HERMES, INC. added30,705$274K0.1%2026-Q2
Mitsubishi UFJ Asset Management Co., Ltd. new25,741$229K0.1%2026-Q2
MetLife Investment Management, LLC new25,625$228K0.1%2026-Q2
Spark Investment Management LLC new25,100$224K0.1%2026-Q2
JPMORGAN CHASE & CO added22,984$202K0.1%2026-Q2
ALLIANCEBERNSTEIN L.P. trimmed22,100$191K0.1%2026-Q2
XTX Topco Ltd trimmed21,898$195K0.1%2026-Q2
Quantbot Technologies LP added21,287$190K0.1%2026-Q2
CITIGROUP INC trimmed20,858$186K0.1%2026-Q2
Phoenix Wealth Advisors19,800$176K0.1%2026-Q2
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. added19,240$171K0.1%2026-Q2
Vanguard Personalized Indexing Management, LLC trimmed17,987$160K0.0%2026-Q2
WINTON GROUP Ltd new17,400$155K0.0%2026-Q2
JANE STREET GROUP, LLC trimmed17,314$154K0.0%2026-Q2
Vanguard Global Advisers, LLC14,989$134K0.0%2026-Q2
IFP Advisors, Inc added12,500$111K0.0%2026-Q2
Police & Firemen's Retirement System of New Jersey added12,376$110K0.0%2026-Q2
CAXTON CORP trimmed12,347$110K0.0%2026-Q2
COMMONWEALTH EQUITY SERVICES, LLC new11,850$106K0.0%2026-Q2
Ethic Inc. trimmed11,823$105K0.0%2026-Q2
Samalin Investment Counsel, LLC new11,595$103K0.0%2026-Q2
ExodusPoint Capital Management, LP trimmed11,476$102K0.0%2026-Q2
State of Wyoming new10,849$97K0.0%2026-Q2
Grey Ledge Advisors, LLC10,000$89K0.0%2026-Q2
CAPITAL ADVISORS INC/OK10,000$89K0.0%2026-Q2
China Universal Asset Management Co., Ltd. trimmed9,676$86K0.0%2026-Q2
NEW YORK STATE COMMON RETIREMENT FUND added9,000$80K0.0%2026-Q2
LOS ANGELES CAPITAL MANAGEMENT LLC new8,583$76K0.0%2026-Q2
ROYAL BANK OF CANADA added6,877$61K0.0%2026-Q2
Russell Investments Group, Ltd. added4,668$42K0.0%2026-Q2
Legal & General Group Plc added4,072$36K0.0%2026-Q2
OSAIC HOLDINGS, INC. added3,940$35K0.0%2026-Q2
Ameritas Investment Partners, Inc. added3,808$34K0.0%2026-Q2
Zurcher Kantonalbank (Zurich Cantonalbank) added3,113$28K0.0%2026-Q2
Mirae Asset Global Investments Co., Ltd. trimmed2,719$24K0.0%2026-Q2
Tower Research Capital LLC (TRC) trimmed2,353$21K0.0%2026-Q2
Parallel Advisors, LLC added1,694$15K0.0%2026-Q2
PNC Financial Services Group, Inc.1,530$14K0.0%2026-Q2
GF FUND MANAGEMENT CO. LTD. added1,212$11K0.0%2026-Q2

Ownership over time

Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.

HoldersTotal shares

Reading this table

Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.

About 13F filings

A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.

Learn how to read institutional ownership