IO BIOTECH INC (IOBTQ): Institutional Ownership
Hedge funds and institutional managers reporting a position in IOBTQ. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
5
13F filers
Aggregate Value
$217K
Across holders
Last Price
$0.01
2026-06-26
Sector
—
GICS
Holder activity3 new1 added1 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 208K | $126K | 58.1% | 0.0% | Reduced | $-207K | Q4 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 29K | $40K | 18.5% | 0.0% | New | — | Q2 2025 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 30K | $32K | 14.5% | 0.0% | New | — | Q3 2024 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 301K | $18K | 8.3% | 0.0% | Added | +$12K | Q1 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 908 | $1K | 0.6% | 0.0% | New | — | Q3 2023 |
Reduced
Hedge Fund
$126K· 58.1% of total· 0.0% port· 208K sh· $-207K QoQ· Q4 2025
New
Hedge Fund
$40K· 18.5% of total· 0.0% port· 29K sh· — QoQ· Q2 2025
New
Hedge Fund
$32K· 14.5% of total· 0.0% port· 30K sh· — QoQ· Q3 2024
Added
Hedge Fund
$18K· 8.3% of total· 0.0% port· 301K sh· +$12K QoQ· Q1 2026
New
Hedge Fund
$1K· 0.6% of total· 0.0% port· 908 sh· — QoQ· Q3 2023