TIL
Instil Bio, Inc.
$7.70
+0.04 (+0.52%)
At close · Jul 10
Market Cap
$52.22M
Shares
6,781,976
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 31
Total Value: $18,932,250
Total Shares: 2,297,605
Institutional Ownership Trend
10 quarters
Holder Concentration
Across 31 13F filers · Δ vs Dec 31, 2025Top Holder
28.1%
+2.7 pts
Top 5
74.3%
+3.7 pts
Top 10
89.2%
+0.5 pts
HHI
1,458
Broadly held+164
Quarterly Activity
vs Dec 31, 2025
New
10
Increased
4
Decreased
8
Sold Out
7
Unchanged
9
Holder count:
+3
Institutional value:
-32.3%
Shares held:
-9.7%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | +13,975 | 26,242 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +6,305 | 49,011 | |
| Mega UBS Group AG | +6,019 | 6,378 | |
| Mega BlackRock, Inc. | +805 | 52,018 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega MILLENNIUM MANAGEMENT LLC | −109,826 | 132,946 | |
| Mega MORGAN STANLEY | −69,158 | 19,821 | |
| Mega DIMENSIONAL FUND ADVISORS LP | −41,050 | 19,975 | |
| Mega CITADEL ADVISORS LLC | −8,773 | 38,562 | |
| Large RENAISSANCE TECHNOLOGIES LLC | −8,700 | 59,100 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Kalehua Capital Management LLC | 183,030 | $1,508,167 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 174,583 | $1,438,563 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 22,625 | $186,430 | |
| Mega JANE STREET GROUP, LLC | 11,517 | $94,899 | |
| Mid PRELUDE CAPITAL MANAGEMENT, LLC | 10,300 | $84,872 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Siren, L.L.C. | 203,933 | $2,243,263 | |
| Mega VANGUARD GROUP INC | 191,060 | $2,101,660 | |
| Mid AlphaQuest LLC | 37,279 | $410,069 | |
| Mid Quadrature Capital Ltd | 19,198 | $211,178 | |
| Micro EQ WEALTH ADVISORS, LLC | 40 | $440 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small BML Capital Management, LLC | $5,319,744 | 28.10% | 645,600 | Shares | Sole | 2026-05-06 | ||||
| Micro CPMG Inc | $3,385,997 | 17.88% | 410,922 | Shares | Sole | 2026-05-15 | ||||
| Mid Vivo Capital, LLC | $2,412,202 | 12.74% | 292,743 | Shares | Sole | 2026-05-20 | ||||
| Small Kalehua Capital Management LLC | $1,508,167 | 7.97% | 183,030 | Shares | Sole | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $1,438,563 | 7.60% | 174,583 | Shares | Defined | 2026-05-15 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $1,095,475 | 5.79% | 132,946 | Shares | Sole | 2026-05-15 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $486,984 | 2.57% | 59,100 | Shares | Sole | 2026-05-14 | ||||
| Mega BlackRock, Inc. | $428,627 | 2.26% | 52,018 | Shares | Sole | 2026-05-13 | ||||
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $412,000 | 2.18% | 50,000 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $403,850 | 2.13% | 49,011 | Shares | Defined | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $317,750 | 1.68% | 38,562 | Shares | Defined | 2026-05-15 | ||||
| Mega LPL Financial LLC | $264,199 | 1.40% | 32,063 | Shares | Sole | 2026-05-06 | ||||
| Mid XTX Topco Ltd | $216,234 | 1.14% | 26,242 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $186,430 | 0.98% | 22,625 | Shares | Defined | 2026-05-08 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $164,592 | 0.87% | 19,975 | Shares | Sole | 2026-05-07 | ||||
| Mega MORGAN STANLEY | $163,324 | 0.86% | 19,821 | Shares | Defined | 2026-05-15 | ||||
| Mega STATE STREET CORP | $144,982 | 0.77% | 17,595 | Shares | Defined | 2026-05-15 | ||||
| Mid Americana Partners, LLC | $133,290 | 0.70% | 16,176 | Shares | Sole | 2026-05-12 | ||||
| Mega JANE STREET GROUP, LLC | $94,899 | 0.50% | 11,517 | Shares | Defined | 2026-05-12 | ||||
| Mid PRELUDE CAPITAL MANAGEMENT, LLC | $84,872 | 0.45% | 10,300 | Shares | Other | 2026-05-15 | ||||
| Small FNY Investment Advisers, LLC | $82,400 | 0.44% | 10,000 | Shares | Defined | 2026-04-15 | ||||
| Micro Vazirani Asset Management LLC | $82,400 | 0.44% | 10,000 | Shares | Sole | 2026-05-15 | ||||
| Mega UBS Group AG | $52,554 | 0.28% | 6,378 | Shares | Defined | 2026-05-05 | ||||
| Mega BARCLAYS PLC | $34,072 | 0.18% | 4,135 | Shares | Defined | 2026-05-15 | ||||
| Mega Vanguard Global Advisers, LLC | $12,112 | 0.06% | 1,470 | Shares | Defined | 2026-05-08 | ||||
| Mid BOKF, NA | $3,740 | 0.02% | 454 | Shares | Sole | 2026-05-08 | ||||
| Mega RHUMBLINE ADVISERS | $939 | 0.00% | 114 | Shares | Sole | 2026-05-12 | ||||
| Mega ROYAL BANK OF CANADA Bank | $692 | 0.00% | 84 | Shares | Defined | 2026-05-15 | ||||
| Mid Farther Finance Advisors, LLC | $576 | 0.00% | 70 | Shares | Sole | 2026-04-07 | ||||
| Micro Fortitude Family Office, LLC Family Office | $527 | 0.00% | 64 | Shares | Sole | 2026-04-16 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $57 | 0.00% | 7 | Shares | Defined | 2026-05-12 | ||||
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