IOBTQ · IO Biotech, Inc.
$0.00
0.00 (-70.00%)
At close · Jul 28
Going-concern doubt
— flagged Nov 14, 2025
Substantial doubt about the company's ability to continue as a going concern.
“As a result, management has concluded that the aforementioned conditions, among others, raise substantial doubt about the Company’s ability to continue as a going concern for one year after the date the financial statements are issued and therefore, the Company may not be able to continue its currently ongoing research and development activities as planned and realize its assets and satisfy its liabilities in the normal course of business.”View the 10-Q filed Nov 14, 2025
Market Cap
$71,948
Shares
71.95M
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: 14
Total Value: $1,489,360
Total Shares: 25,243,501
Institutional Ownership Trend
18 quarters
Holder Concentration
Across 12 13F filers · Δ vs Dec 31, 2025Top Holder
40.9%
+8.9 pts
Top 5
81.2%
+8.0 pts
Top 10
98.1%
+3.5 pts
HHI
2,175
Moderately concentrated+535
Quarterly Activity
vs Dec 31, 2025
New
4
Increased
2
Decreased
5
Sold Out
13
Unchanged
3
Holder count:
-9
Institutional value:
-80.3%
Shares held:
+103.7%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | +249,928 | 265,792 | |
| Mega MILLENNIUM MANAGEMENT LLC | +55,442 | 194,158 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mid Beacon Pointe Advisors, LLC | −463,400 | 42,600 | |
| Mega MORGAN STANLEY | −332,967 | 206,215 | |
| Large MARSHALL WACE, LLP | −128,047 | 301,291 | |
| Mega CITIGROUP INC | −38,952 | 72,495 | |
| Mega UBS Group AG | −12,598 | 30,980 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| — Lundbeckfond Invest A/S | 21,851,920 | $1,289,263 | |
| Mid GSA CAPITAL PARTNERS LLP | 348,352 | $20,552 | |
| Mega JANE STREET GROUP, LLC | 57,974 | $3,419 | |
| Large Point72 Asset Management, L.P. | 0 | $0 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| — Chernett Jorey | 4,543,532 | $2,767,010 | |
| Mid NOVO HOLDINGS A/S | 2,512,453 | $1,530,083 | |
| Mega BANK OF AMERICA CORP /DE/ | 799,953 | $487,171 | |
| Micro Dauntless Investment Group, LLC | 451,641 | $275,049 | |
| Large RENAISSANCE TECHNOLOGIES LLC | 207,601 | $126,429 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| — Lundbeckfond Invest A/S | $1,289,263 | 86.56% | 21,851,920 | Shares | Sole | 2026-06-02 | ||||
| Mid Ikarian Capital, LLC | $81,807 | 5.49% | 1,386,565 | Shares | Sole | 2026-05-15 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $26,659 | 1.79% | 451,852 | Shares | Other | 2026-05-15 | ||||
| Mid GSA CAPITAL PARTNERS LLP | $20,552 | 1.38% | 348,352 | Shares | Sole | 2026-05-08 | ||||
| Large MARSHALL WACE, LLP | $17,776 | 1.19% | 301,291 | Shares | Other | 2026-05-15 | ||||
| Mid XTX Topco Ltd | $15,681 | 1.05% | 265,792 | Shares | Defined | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $12,166 | 0.82% | 206,215 | Shares | Defined | 2026-05-15 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $11,455 | 0.77% | 194,158 | Shares | Sole | 2026-05-15 | ||||
| Mega CITIGROUP INC | $4,277 | 0.29% | 72,495 | Shares | Defined | 2026-05-11 | ||||
| Mega JANE STREET GROUP, LLC | $3,419 | 0.23% | 57,974 | Shares | Defined | 2026-05-12 | ||||
| Mid Beacon Pointe Advisors, LLC | $2,513 | 0.17% | 42,600 | Shares | Sole | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $1,965 | 0.13% | 33,307 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $1,827 | 0.12% | 30,980 | Shares | Defined | 2026-05-05 | ||||
| Large Point72 Asset Management, L.P. | $0 | 0.00% | 0 | Shares | Sole | 2026-05-15 | ||||
| No holders match your search. | ||||||||||