iBio Ownership | Who Owns iBio?


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iBio Ownership Summary


iBio is owned by 13.73% institutional investors, 2.32% insiders, and 83.95% retail investors. Lynx1 capital management lp is the largest institutional shareholder, holding 10.06% of IBIO shares.

IBIO Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockiBio13.73%2.32%83.95%
SectorHealthcare Stocks 232.64%10.66%-143.30%
IndustryBiotech Stocks 382.13%10.41%-292.54%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Lynx1 capital management lp1.06M10.06%$874.07K
Ikarian capital617.33K5.88%$511.02K
Ameriprise financial482.30K4.59%$399.25M
Opaleye management375.00K3.57%$310.43K
Boothbay fund management176.86K1.68%$146.41K
Vanguard group883.15K1.67%$1.70M
Two sigma securities45.08K0.43%$37.32K
Noesis capital mangement224.20K0.42%$432.71K
Virtu financial41.90K0.40%$35.00K
Renaissance353.34K0.36%$681.94K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Monashee investment management274.86K0.30%$530.48K
Lynx1 capital management lp1.06M0.18%$874.07K
Noesis capital mangement224.20K0.06%$432.71K
Ikarian capital617.33K0.05%$511.02K
Opaleye management375.00K0.04%$310.43K
Silverarc capital management106.00K0.03%$204.58K
Mcia63.00K0.02%$141.75K
Two sigma securities45.08K0.01%$37.32K
Adar1 capital management27.00K0.00%$22.35K
Boothbay fund management176.86K0.00%$146.41K

Top Buyers

HolderShares% AssetsChange
Vanguard group883.15K-609.08K
Ameriprise financial482.30K0.00%482.30K
Renaissance353.34K0.00%353.34K
Monashee investment management274.86K0.30%274.86K
Noesis capital mangement224.20K0.06%224.20K

Top Sellers

HolderShares% AssetsChange
Lynx1 capital management lp1.06M0.18%-482.68K
Iridian asset management llc/ct---58.20K
Cubist systematic strategies---55.60K
Hrt financial lp---34.16K
Quadrature capital---28.85K

New Positions

HolderShares% AssetsChangeValue
Ameriprise financial482.30K0.00%482.30K$399.25M
Renaissance353.34K0.00%353.34K$681.94K
Monashee investment management274.86K0.30%274.86K$530.48K
Noesis capital mangement224.20K0.06%224.20K$432.71K
Jefferies financial group160.00K0.00%160.00K$308.80K

Sold Out

HolderChange
Fmr-1.00
City-4.00
Atlantic union bankshares-14.00
Harbour investments-40.00
Group one trading-156.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 202532-7,274,652103.77%131.19%2257.14%1-83.33%
Sep 30, 2025326.67%3,569,98811.42%343.22%14-6200.00%
Jun 30, 202530-9.09%3,203,75823.84%324.72%13-23.53%2-
Mar 31, 20253313.79%2,587,118-0.97%263.21%17142.86%2-66.67%
Dec 31, 202429-6.45%2,612,4020.19%283.14%7-12.50%620.00%

Recent Insider Transactions


DateNameRoleActivityValue
Mar 26, 2026Banjak Marc Chief Legal OfficerBuy$2.52K
Mar 26, 2026Banjak Marc Chief Legal OfficerBuy$20.53K
Mar 19, 2026Duran Felipe Chief Financial OfficerBuy$50.13K
Mar 19, 2026Brenner Martin See RemarksBuy$24.92K
Jan 10, 2025Duran Felipe Chief Financial OfficerBuy$25.00K

Insider Transactions Trends


DateBuySell
2026 Q14-
2025 Q4--
2025 Q17-
2024 Q4--
2024 Q3--

IBIO Ownership FAQ


Who Owns iBio?

iBio shareholders are primarily institutional investors at 13.73%, followed by 2.32% insiders and 83.95% retail investors. The average institutional ownership in iBio's industry, Biotech Stocks , is 382.13%, which iBio falls below.

Who owns the most shares of iBio?

iBio’s largest shareholders are Lynx1 capital management lp (1.06M shares, 10.06%), Ikarian capital (617.33K shares, 5.88%), and Ameriprise financial (482.3K shares, 4.59%). Together, they hold 20.53% of iBio’s total shares outstanding.

Does Blackrock own iBio?

BlackRock is not among the top 10 institutional shareholders of iBio.

Who is iBio’s biggest shareholder by percentage of total assets invested?

Monashee investment management is iBio’s biggest shareholder by percentage of total assets invested, with 0.30% of its assets in 274.86K iBio shares, valued at 530.48K$.

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