Latest Period
n/a
Security Snapshot
iBio, Inc. - Common Stock (IBIO) Institutional Ownership
CUSIP: 451033203
13F Institutional Holders and Ownership History from Q2 2018 to Q1 2023
Institutions Reporting
Shares (Excl. Options)
Price
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- Security type / class
- Equity / Common Stock
- Symbol
- IBIO on NYSE
- Shares outstanding
- 34,413,043
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IBIO - iBio, Inc. - Common Stock is tracked under CUSIP 451033203.
- Latest finished 13F holder period is not available.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 1 to 0 between Q4 2022 and Q1 2023.
- SEC-reported value moved from $3,555 to $0.
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 Schedule 13D/G
Open SEC evidence
Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.
Security key
451033203
Latest holder period
n/a
13F holders
13D/G owners
4
CIK / CUSIP context first
IBIO full holder history
iBio, Inc. SEC filings
iBio, Inc. company facts
iBio, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 451033203:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
IBIO
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Cormorant Asset Management, LP | 10% | 3,834,335 | Cormorant Asset Management, LP | 31 Mar 2026 | ||||
| Frazier Life Sciences Public Fund, L.P. | 5.7% | 1,953,467 | Frazier Life Sciences Public Fund, L.P. | 31 Mar 2026 | ||||
| EcoR1 Capital, LLC | 4.6% | 1,583,000 | EcoR1 Capital, LLC | 31 Mar 2026 | ||||
| SABBY MANAGEMENT, LLC | 0.2% | $3,272 | 19,250 | SABBY MANAGEMENT, LLC | 31 Dec 2024 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
20
Latest
n/a
Rows shown
1-20 of 20
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2023 Q1 | 0 | $0 | -$3,555 | 0 | |
| 2022 Q4 | 8,000 | $3,555 | -$4,960,472 | $0.44 | 1 |
| 2022 Q3 | 28,854,191 | $4,912,153 | -$101,983 | $0.17 | 34 |
| 2022 Q2 | 28,893,785 | $7,628,584 | -$3,666,548 | $0.26 | 44 |
| 2022 Q1 | 40,898,667 | $17,488,990 | -$2,068,575 | $0.43 | 66 |
| 2021 Q4 | 45,417,667 | $25,020,191 | +$41,852 | $0.55 | 74 |
| 2021 Q3 | 44,703,059 | $47,552,296 | +$1,210,624 | $1.06 | 81 |
| 2021 Q2 | 43,383,633 | $65,497,510 | -$1,744,149 | $1.51 | 81 |
| 2021 Q1 | 44,512,797 | $68,540,610 | +$21,890,326 | $1.54 | 91 |
| 2020 Q4 | 30,300,041 | $31,829,858 | +$14,847,235 | $1.05 | 86 |
| 2020 Q3 | 15,950,862 | $32,391,539 | +$11,611,320 | $2.03 | 76 |
| 2020 Q2 | 10,174,491 | $22,597,868 | +$15,893,478 | $2.22 | 56 |
| 2020 Q1 | 3,058,367 | $3,241,000 | +$2,177,563 | $1.06 | 23 |
| 2019 Q4 | 1,295,868 | $324,000 | +$213,498 | $0.25 | 12 |
| 2019 Q3 | 362,140 | $195,000 | +$4,117 | $0.54 | 10 |
| 2019 Q2 | 329,524 | $233,000 | +$19,399 | $0.70 | 11 |
| 2019 Q1 | 302,586 | $265,000 | +$52,953 | $0.89 | 10 |
| 2018 Q4 | 240,712 | $181,000 | -$58,314 | $0.75 | 9 |
| 2018 Q3 | 322,517 | $275,000 | -$95,968 | $0.85 | 14 |
| 2018 Q2 | 434,676 | $392,000 | +$392,000 | $0.90 | 9 |