Vault-13

IN8BIO INC INAB

COM NEW · Common Stock · CUSIP 45674E208

21 institutional holders +2 vs Q1 2026
3,789,8353.8m shares reported held*
$5.3mreported value*
3 new 5 added 3 reduced 1 sold out net bought ≈ $52.2k (+37.0k shares)

* 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. Holder counts are more reliable. Implied quarter-end price ≈ $1.41.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0102030Q2 25: 12Q3 25: 18Q4 25: 22Q1 26: 19Q2 26: 2121Q2 25Q3 25Q4 25Q1 26Q2 26
Numbers
QuarterHolders
Q2 202512
Q3 202518
Q4 202522
Q1 202619
Q2 202621

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
20020Q3 25: 12 bought or addedQ3 25: 4 cut or sold outQ3 25Q4 25: 15 bought or addedQ4 25: 9 cut or sold outQ4 25Q1 26: 5 bought or addedQ1 26: 11 cut or sold outQ1 26Q2 26: 8 bought or addedQ2 26: 4 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 2025124
Q4 2025159
Q1 2026511
Q2 202684

Biggest buyers

CITADEL ADVISORS LLC New +63,055+63.1k
OPPENHEIMER & CO INC Added +39,009+39.0k
Stonepine Capital Management, LLC Added +31,875+31.9k
RENAISSANCE TECHNOLOGIES LLC New +12,100+12.1k
Tower Research Capital LLC (TRC) Added +2,473+2.5k
NORTHERN TRUST CORP Added +1,294+1.3k
Texas Capital Bank Wealth Management Services Inc Added +656+656
BARCLAYS PLC New +28+28

Biggest sellers

BIOS Capital Management, LP Reduced -86,848-86.8k
GEODE CAPITAL MANAGEMENT, LLC Reduced -13,689-13.7k
XTX Topco Ltd Sold out -12,433-12.4k
UBS Group AG Reduced -479-479

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.

HolderStakeChangeShares Last filed
LYTTON LAURENCE W 13G · passive investor no change · filed 2026-08-13 10.0% no change 1.1m≈ $1.5m 2026-08-13
Alyeska Investment Group, L.P. 13G · institution new · filed 2026-02-17 9.9% new 966.4k≈ $1.4m 2026-02-17
Stonepine Capital Management, LLC 13G · passive investor new · filed 2025-12-22 9.9% new 1.0m≈ $1.4m 2025-12-22
FRANKLIN RESOURCES INC 13G · institution new · filed 2026-01-29 9.4% new 914.5k≈ $1.3m 2026-01-29
683 Capital Management, LLC 13G · passive investor new · filed 2025-12-30 7.9% new 770.4k≈ $1.1m 2025-12-30

Fell to 5% or below in the last year: FAIRBAIRN EMILY (2.2%, 2026-05-29)

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.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Alyeska Investment Group, L.P. 0.00% of their portfolio CHICAGO, IL 944,319944.3k $1.3m $1.3m 0.00% Unchanged
2 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 914,531914.5k $1.3m $1.3m 0.00% Unchanged
3 683 Capital Management, LLC 0.09% of their portfolio NEW YORK, NY 724,637724.6k $1.0m $1.0m 0.09% Unchanged
4 Stonepine Capital Management, LLC 0.75% of their portfolio Bend, OR 695,287695.3k $980.4k $980.4k 0.75% Added +31.9k +31,875
5 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 88,86588.9k $126.5k $126.5k 0.00% Unchanged
6 BIOS Capital Management, LP 0.27% of their portfolio Fort Worth, TX 80,95781.0k $114.1k $114.1k 0.27% Reduced -86.8k -86,848
7 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 72,55072.5k $102.3k $102.3k 0.00% Reduced -13.7k -13,689
8 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 63,05563.1k $88.9k $88.9k 0.00% New
9 OPPENHEIMER & CO INC 0.00% of their portfolio NEW YORK, NY 63,04263.0k $88.9k $88.9k 0.00% Added +39.0k +39,009
10 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 43,57043.6k $62.0k $62.0k 0.00% Unchanged
11 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 33,29533.3k $46.9k $46.9k 0.00% Unchanged
12 Texas Capital Bank Wealth Management Services Inc 0.00% of their portfolio Dallas, TX 24,40624.4k $34.4k $34.4k 0.00% Added +656 +656
13 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 21,73421.7k $30.6k $30.6k 0.00% Added +1.3k +1,294
14 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 12,10012.1k $17.1k $17.1k 0.00% New
15 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 3,7383.7k $5.3k $5.3k 0.00% Added +2.5k +2,473
16 NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio MILWAUKEE, WI 2,7852.8k $3.9k $3.9k 0.00% Unchanged
17 JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio DES PERES, MO 768768 $1.0k $1.0k 0.00% Unchanged
18 BlackRock, Inc. 0.00% of their portfolio New York, NY 8484 $118 $118 0.00% Unchanged
19 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 8383 $117 $117 0.00% Unchanged
20 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 2828 $39 $39 0.00% New
21 UBS Group AG 0.00% of their portfolio ZURICH, V8 11 $1 $1 0.00% Reduced -479 -479