Security Snapshot

Instil Bio, Inc. - Common stock, par value $ 0.000001 per share (TIL) Institutional Ownership

CUSIP: 45783C200

13F Institutional Holders and Ownership History from Q4 2023 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

31

Shares (Excl. Options)

2,297,605

Price

$8.24

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-253,818
Value change
-$2,815,187
Number of holders
31
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
6,505,400
SEC-reported price per share
$8.02
Insider filing price
$8.02
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • TIL - Instil Bio, Inc. - Common stock, par value $ 0.000001 per share is tracked under CUSIP 45783C200.
  • 31 institutions reported positions in Q1 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 28 to 31 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $27,981,700 to $18,932,177.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 31 institutions filings for Q1 2026.

Open SEC evidence

Security key

45783C200

Latest holder period

Q1 2026

13F holders

31

13D/G owners

1

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
1
Security
TIL
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Vivo Capital IX, LLC 4.5% $7,169,276 292,743 Vivo Capital IX, LLC 30 Jun 2025

As of 31 Mar 2026, 31 institutional investors reported holding 2,297,605 shares of Instil Bio, Inc. - Common stock, par value $ 0.000001 per share (TIL). This represents 35% of the company’s total 6,505,400 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
35%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BML Capital Management, LLC 9.9% 645,600 0% 3.4% $5,319,744
CPMG Inc 6.3% 410,922 0% 9.1% $3,385,997
Vivo Capital, LLC 4.5% 292,743 0% 0.2% $2,412,202
Kalehua Capital Management LLC 2.8% 183,030 1.1% $1,508,167
VANGUARD CAPITAL MANAGEMENT LLC 2.7% 174,583 0% 0% $1,438,564
MILLENNIUM MANAGEMENT LLC 2% 132,946 -45% 0% $1,095,475
RENAISSANCE TECHNOLOGIES LLC 0.91% 59,100 -13% 0% $486,984
BlackRock, Inc. 0.8% 52,018 +1.6% 0% $428,628
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.77% 50,000 0% 0% $412,000
GEODE CAPITAL MANAGEMENT, LLC 0.75% 49,011 +15% 0% $403,995
CITADEL ADVISORS LLC 0.59% 38,562 -19% 0% $317,751
LPL Financial LLC 0.49% 32,063 -3.1% 0% $264,199
XTX Topco Ltd 0.4% 26,242 +114% 0% $216,234
VANGUARD FIDUCIARY TRUST CO 0.35% 22,625 0% 0% $186,430
DIMENSIONAL FUND ADVISORS LP 0.31% 19,975 -67% 0% $164,470
MORGAN STANLEY 0.3% 19,821 -78% 0% $163,325
STATE STREET CORP 0.27% 17,595 0% 0% $144,983
Americana Partners, LLC 0.25% 16,176 0% 0% $133,290
JANE STREET GROUP, LLC 0.18% 11,517 0% $94,901
PRELUDE CAPITAL MANAGEMENT, LLC 0.16% 10,300 0.01% $84,872
Vazirani Asset Management LLC 0.15% 10,000 0.19% $82,400
FNY Investment Advisers, LLC 0.15% 10,000 0.04% $82,000
UBS Group AG 0.1% 6,378 +1677% 0% $52,554
BARCLAYS PLC 0.06% 4,135 -59% 0% $34,072
Vanguard Global Advisers, LLC 0.02% 1,470 0% 0% $12,113

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
10
Latest
Q1 2026
Rows shown
1-10 of 10
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 2,297,605 $18,932,177 -$2,815,187 $8.24 31
2025 Q4 2,543,805 $27,981,700 -$4,191,273 $11.00 28
2025 Q3 2,655,269 $47,423,593 -$2,963,439 $17.86 33
2025 Q2 2,751,266 $57,311,087 -$11,020,093 $20.83 37
2025 Q1 3,353,462 $58,216,200 -$97,479 $17.36 42
2024 Q4 3,339,375 $63,749,218 -$66,077,020 $19.09 39
2024 Q3 3,419,403 $230,187,844 +$81,138,546 $67.32 48
2024 Q2 2,328,646 $23,960,769 -$220,805 $10.29 29
2024 Q1 2,348,572 $25,363,318 +$3,416,073 $10.80 30
2023 Q4 2,037,306 $15,523,621 +$13,556,922 $7.62 27
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