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Instil Bio, Inc.

TIL
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001789769

No open-market purchases or sales by Instil Bio, Inc. insiders were filed in the last 90 days; 26 institutions reported holding it in 13F filings for Q2 2026, worth $29.2M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Instil Bio, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
29
−5 vs. Q3 2025
Shares held
4.44M
−111.5K (−2.4%) vs. Q3 2025
Total value
$48.9M
−$32.5M (−39.9%) vs. Q3 2025
New holders
6
7 more added
Sold out
11
8 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TIL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 29 institutions
Q1 2021: 56 institutionsQ2 2021: 62 institutionsQ3 2021: 64 institutionsQ4 2021: 77 institutionsQ1 2022: 79 institutionsQ2 2022: 99 institutionsQ3 2022: 95 institutionsQ4 2022: 79 institutionsQ1 2023: 73 institutionsQ2 2023: 62 institutionsQ3 2023: 58 institutionsQ4 2023: 30 institutionsQ1 2024: 31 institutionsQ2 2024: 30 institutionsQ3 2024: 49 institutionsQ4 2024: 40 institutionsQ1 2025: 43 institutionsQ2 2025: 38 institutionsQ3 2025: 34 institutionsQ4 2025: 29 institutionsQ1 2026: 32 institutionsQ2 2026: 26 institutions
Value heldQ4 2025: $48.9M
Q1 2021: $1.62BQ2 2021: $1.35BQ3 2021: $1.28BQ4 2021: $1.99BQ1 2022: $1.27BQ2 2022: $550.9MQ3 2022: $577.0MQ4 2022: $64.1MQ1 2023: $60.9MQ2 2023: $45.3MQ3 2023: $34.3MQ4 2023: $30.0MQ1 2024: $45.9MQ2 2024: $43.5MQ3 2024: $358.0MQ4 2024: $100.0MQ1 2025: $91.2MQ2 2025: $96.9MQ3 2025: $81.3MQ4 2025: $48.9MQ1 2026: $34.6MQ2 2026: $29.2M
Institutions holding TIL and their total value by quarter
QuarterHoldersValue
Q2 202626$29.2M
Q1 202632$34.6M
Q4 202529$48.9M
Q3 202534$81.3M
Q2 202538$96.9M
Q1 202543$91.2M
Q4 202440$100.0M
Q3 202449$358.0M
Q2 202430$43.5M
Q1 202431$45.9M
Q4 202330$30.0M
Q3 202358$34.3M
Q2 202362$45.3M
Q1 202373$60.9M
Q4 202279$64.1M
Q3 202295$577.0M
Q2 202299$550.9M
Q1 202279$1.27B
Q4 202177$1.99B
Q3 202164$1.28B
Q2 202162$1.35B
Q1 202156$1.62B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Instil Bio, Inc.; share changes are against Q3 2025.

Institutions holding TIL in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Curative Ventures V LLC1,899,004$20.9M100.00%00.0%Unchanged
BML Capital Management, LLC645,600$7.10M6.29%00.0%Unchanged
CPMG Inc410,922$4.52M18.33%00.0%Unchanged
Vivo Capital, LLC292,743$3.22M0.21%00.0%Unchanged
Millennium Management LLC242,772$2.67M0.00%+46,030+23.4%Added
Siren, L.L.C.203,933$2.24M0.07%00.0%Unchanged
Vanguard Group Inc191,060$2.10M0.00%+23,250+13.9%Added
Morgan Stanley88,979$978.8K0.00%−13,959−13.6%Reduced
Renaissance Technologies LLC67,800$745.8K0.00%+67,800New
Dimensional Fund Advisors LP61,025$671.0K0.00%−19,791−24.5%Reduced
BlackRock, Inc.51,213$563.3K0.00%−10,469−17.0%Reduced
Nomura Asset Management International Inc.50,000$550.0K0.00%+50,000New
Citadel Advisors LLC47,335$520.7K0.00%+47,335New
Geode Capital Management, LLC42,706$469.9K0.00%+367+0.9%Added
Quest Partners LLC37,279$410.1K0.02%+22,532+152.8%Added
LPL Financial LLC33,080$363.9K0.00%−607−1.8%Reduced
Quadrature Capital Ltd19,198$211.2K0.00%+19,198New
State Street Corp17,595$193.5K0.00%00.0%Unchanged
Americana Partners, LLC16,176$177.9K0.00%+5,500+51.5%Added
XTX Topco Ltd12,267$134.9K0.00%+12,267New
Barclays PLC10,145$111.6K0.00%+3,995+65.0%Added
Royal Bank of Canada1,368$15.0K0.00%+1,082+378.3%Added
UBS Group AG359$3.95K0.00%−5,262−93.6%Reduced
Rhumbline Advisers114$1.25K0.00%00.0%Unchanged
Farther Finance Advisors, LLC70$7700.00%−41−36.9%Reduced
Eq Wealth Advisors, LLC40$4400.00%+40New
Frazier Financial Advisors, LLC15$1650.00%00.0%Unchanged
BNP Paribas Arbitrage, SA7$770.00%−3,097−99.8%Reduced
Bank of America Corp4$440.00%−595−99.3%Reduced
Sectoral Asset Management Inc0$00.00%−161,380−100.0%Sold out
Boxer Capital Management, LLC0$00.00%−60,700−100.0%Sold out
Macquarie Group Ltd0$00.00%−50,000−100.0%Sold out
Marshall Wace, LLP0$00.00%−44,878−100.0%Sold out
Jane Street Group, LLC0$00.00%−20,802−100.0%Sold out
Northern Trust Corp0$00.00%−15,684−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−3,134−100.0%Sold out
Bokf, NA0$00.00%−454−100.0%Sold out
FMR LLC0$00.00%−5−100.0%Sold out
Citigroup Inc0$00.00%−1−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−1−100.0%Sold out