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IBIO · iBio, Inc. · Holdings

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$1.21 -0.02 (-1.63%) At close · Sep 11
Rebalance outlook locked
Going-concern doubt — cleared Aug 28, 2026

The latest filing states the doubt was alleviated.

“The history of significant losses, the negative cash flow from operations, and the dependence by the Company on its ability to obtain additional financing to fund its operations in the past raised substantial doubt about the Company's ability to continue as a going concern. In August 2025, the Company closed an underwritten public offering raising gross proceeds of approximately $50 million and in January 2026, the Company raised gross proceeds of approximately $26 million in a private placement. Additionally, the Company received gross proceeds of approximately $33.4 million from the exercise of warrants during the year ended June 30, 2026. Based on the total cash and cash equivalents, and investments in debt securities of approximately $88 million at June 30, 2026, the Company believes that its current cash position is sufficient to fund its operations for at least 12 months from the date of filing this Annual Report on Form 10-K for the year ended June 30, 2026 (the “Annual Report”).”
View the 10-K filed Aug 28, 2026
Market Cap
$77.49M
Shares
64.31M

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.

Use institutional holdings through the 13F API or MCP →
Holders: 55
Total Value: $60,795,246
Total Shares: 34,740,154

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 55 13F filers · Δ vs Mar 31, 2026
Top Holder
11.5%
Sep 2023 → Jun 2026 · range 11.5% – 61.1%
−4.5 pts
Top 5
45.5%
Sep 2023 → Jun 2026 · range 45.5% – 98.1%
−3.4 pts
Top 10
70.2%
Sep 2023 → Jun 2026 · range 70.2% – 99.9%
−4.0 pts
HHI
616
Sep 2023 → Jun 2026 · range 616 – 4,075
Broadly held−90

Quarterly Activity

vs Mar 31, 2026
New
16
Increased
22
Decreased
9
Sold Out
13
Unchanged
8
Holder count: +3
Institutional value: +64.7%
Shares held: +78.8%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
SILVERARC CAPITAL MANAGEMENT, LLC +3,294,490 3,520,490
VANGUARD CAPITAL MANAGEMENT LLC +1,009,852 2,098,151
Affinity Asset Advisors, LLC +900,681 4,007,881
BANK OF AMERICA CORP /DE/ +831,079 1,121,492
CITADEL ADVISORS LLC +427,600 1,384,029

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
ADAR1 Capital Management, LLC −94,347 375,531
MORGAN STANLEY −30,927 10
DAFNA Capital Management LLC −23,585 170,053
TWO SIGMA INVESTMENTS, LP −8,191 400,667
XTX Topco Ltd −4,609 57,842

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open
Cormorant Asset Management, LP 3,570,000 $6,247,500
Vestal Point Capital, LP 2,600,000 $4,550,000
Ensign Peak Advisors, Inc 1,832,457 $3,206,799
Woodline Partners LP 1,776,547 $3,108,957
Squarepoint Ops LLC 498,872 $873,026

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
EcoR1 Capital, LLC 1,583,000 $3,007,700
Logos Global Management LP 1,300,000 $2,470,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP 412,725 $784,177
Lynx1 Capital Management LP 68,076 $129,344
PFG Investments, LLC 20,000 $38,000
Filter: New 16 Increased 22 Reduced 9 Sold out 13 Unchanged 8
Showing 55 of 55
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Affinity Asset Advisors, LLC $7,013,791 11.54% 4,007,881
Cormorant Asset Management, LP $6,247,500 10.28% 3,570,000
SILVERARC CAPITAL MANAGEMENT, LLC $6,160,857 10.13% 3,520,490
Vestal Point Capital, LP $4,550,000 7.48% 2,600,000
VANGUARD CAPITAL MANAGEMENT LLC $3,671,764 6.04% 2,098,151
Frazier Life Sciences Management, L.P. $3,418,567 5.62% 1,953,467
Ensign Peak Advisors, Inc $3,206,799 5.27% 1,832,457
Woodline Partners LP $3,108,957 5.11% 1,776,547
MILLENNIUM MANAGEMENT LLC $2,890,077 4.75% 1,651,473
CITADEL ADVISORS LLC $2,422,050 3.98% 1,384,029
Balyasny Asset Management L.P. $2,049,062 3.37% 1,170,893
BANK OF AMERICA CORP /DE/ $1,962,611 3.23% 1,121,492
Ikarian Capital, LLC $1,674,858 2.75% 957,062
Sio Capital Management, LLC $1,582,469 2.60% 904,268
MARSHALL WACE, LLP $1,582,230 2.60% 904,132
GEODE CAPITAL MANAGEMENT, LLC $876,427 1.44% 500,816
Walleye Capital LLC $875,656 1.44% 500,375
Squarepoint Ops LLC $873,026 1.44% 498,872
NOESIS CAPITAL MANGEMENT CORP $708,750 1.17% 405,000
TWO SIGMA INVESTMENTS, LP $701,167 1.15% 400,667
Ally Bridge Group (NY) LLC $682,757 1.12% 390,147
ADAR1 Capital Management, LLC $657,179 1.08% 375,531
Verdad Advisers, LP $523,122 0.86% 298,927
VANGUARD FIDUCIARY TRUST CO $502,031 0.83% 286,875
BOOTHBAY FUND MANAGEMENT, LLC $445,221 0.73% 254,412
BlackRock, Inc. $423,527 0.70% 242,016
RENAISSANCE TECHNOLOGIES LLC $354,982 0.58% 202,847
GOLDMAN SACHS GROUP INC $350,796 0.58% 200,455
STATE STREET CORP $298,898 0.49% 170,799
DAFNA Capital Management LLC $297,592 0.49% 170,053
NORTHERN TRUST CORP $194,808 0.32% 111,319
Atom Investors LP $177,724 0.29% 101,557
XTX Topco Ltd $101,223 0.17% 57,842
Headlands Technologies LLC $82,972 0.14% 47,413
TWO SIGMA SECURITIES, LLC $28,264 0.05% 16,151
Innovative Asset Advisors Group, LLC $26,250 0.04% 15,000
Spark Investment Management LLC $23,625 0.04% 13,500
Bank of New York Mellon Corp $18,614 0.03% 10,637
JPMORGAN CHASE & CO $10,319 0.02% 5,897
Vanguard Global Advisers, LLC $9,555 0.02% 5,460
BARCLAYS PLC $5,696 0.01% 3,255
UBS Group AG $876 0.00% 501
FMR LLC $757 0.00% 433
Fortitude Family Office, LLC $754 0.00% 431
OSAIC HOLDINGS, INC. $665 0.00% 380
WELLS FARGO & COMPANY/MN $176 0.00% 101
SHP Wealth Management $105 0.00% 60
SBI Securities Co., Ltd. $73 0.00% 42
SOA Wealth Advisors, LLC. $22 0.00% 13
MORGAN STANLEY $16 0.00% 10
Caitong International Asset Management Co., Ltd $15 0.00% 9
Activest Wealth Management $7 0.00% 4
BNP PARIBAS ARBITRAGE, SA $3 0.00% 2
Financial Gravity Companies, Inc. $3 0.00% 2
Rockefeller Capital Management L.P. $1 0.00% 1
Key facts CIK 1420720 CUSIP 451033708 13F (30d) 25 filings 25 filers Visit website Investor relations