IBIO INC (IBIO) Institutional Ownership Changes & 13F Activity
IBIO INC (IBIO). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Cormorant Asset Management, Lp, Silverarc Capital Management, Llc, Vestal Point Capital, Lp, Ensign Peak Advisors, Inc, and Woodline Partners Lp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +427,600 | +44.7% | 1,384,029 | $2.42M | Q2 2026 | Sep 02, 2026 |
| Cormorant Asset Management, Lp | Buy | +3,570,000 | — | 3,570,000 | $6.25M | Q2 2026 | Aug 14, 2026 |
| Vestal Point Capital, Lp | Buy | +2,600,000 | — | 2,600,000 | $4.55M | Q2 2026 | Aug 14, 2026 |
| Ensign Peak Advisors, Inc | Buy | +1,832,457 | — | 1,832,457 | $3.21M | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Buy | +1,776,547 | — | 1,776,547 | $3.11M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +831,079 | +286.2% | 1,121,492 | $1.96M | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Buy | +498,872 | — | 498,872 | $873.03K | Q2 2026 | Aug 14, 2026 |
| Ally Bridge Group (Ny) Llc | Buy | +390,147 | — | 390,147 | $682.76K | Q2 2026 | Aug 14, 2026 |
| Verdad Advisers, Lp | Buy | +242,609 | +430.8% | 298,927 | $523.12K | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +159,938 | +15.8% | 1,170,893 | $2.05M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +101,623 | +6.6% | 1,651,473 | $2.89M | Q2 2026 | Aug 14, 2026 |
| Atom Investors Lp | Buy | +101,557 | — | 101,557 | $177.72K | Q2 2026 | Aug 14, 2026 |
| Adar1 Capital Management, Llc | Sell | -94,347 | -20.1% | 375,531 | $657.18K | Q2 2026 | Aug 14, 2026 |
| Dafna Capital Management Llc | Sell | -23,585 | -12.2% | 170,053 | $297.59K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Securities, Llc | Buy | +16,151 | — | 16,151 | $28.26K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -8,191 | -2.0% | 400,667 | $701.17K | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -4,609 | -7.4% | 57,842 | $101.22K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +3,255 | — | 3,255 | $5.70K | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +243 | +0.1% | 200,455 | $350.80K | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Sell | -204 | -34.9% | 380 | $665.00 | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +100 | +10000.0% | 101 | $177.00 | Q2 2026 | Aug 14, 2026 |
| Silverarc Capital Management, Llc | Buy | +3,294,490 | +1457.7% | 3,520,490 | $6.16M | Q2 2026 | Aug 13, 2026 |
| Vanguard Capital Management Llc | Buy | +1,009,852 | +92.8% | 2,098,151 | $3.67M | Q2 2026 | Aug 13, 2026 |
| Affinity Asset Advisors, Llc | Buy | +900,681 | +29.0% | 4,007,881 | $7.01M | Q2 2026 | Aug 13, 2026 |
| Marshall Wace, Llp | Buy | +283,530 | +45.7% | 904,132 | $1.58M | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Buy | +202,847 | — | 202,847 | $354.98K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +81,860 | +39.9% | 286,875 | $502.03K | Q2 2026 | Aug 13, 2026 |
| Headlands Technologies Llc | Buy | +36,463 | +333.0% | 47,413 | $82.97K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +33,995 | +44.0% | 111,319 | $194.81K | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Sell | -30,927 | -100.0% | 10 | $18.00 | Q2 2026 | Aug 13, 2026 |
Frequently asked questions about IBIO activity
Which institutional owners are buying IBIO?
Institutional owners buying IBIO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in IBIO activity?
"Buy" means an investor increased their reported position in IBIO compared to the prior reporting period. This reflects growing exposure to IBIO INC (IBIO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IBIO increasing?
Institutional interest in IBIO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related IBIO Institutional Insights
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- Institutional Portfolio Overlap & Shared Holdings
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- Most Sold Healthcare Stocks By Institutional Investors
- IBIO Insider Trading & SEC Form 4 Activity
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