Inhibrx Biosciences Ownership | Who Owns Inhibrx Biosciences?
Inhibrx Biosciences Ownership Summary
Inhibrx Biosciences is owned by 67.46% institutional investors, 27.19% insiders, and 5.35% retail investors. Viking global investors lp is the largest institutional shareholder, holding 11.56% of INBX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.32% of its assets in Inhibrx Biosciences shares.
INBX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Inhibrx Biosciences | 67.46% | 27.19% | 5.35% |
| Sector | Healthcare Stocks | 488.30% | 11.08% | -399.38% |
| Industry | Biotech Stocks | 307.10% | 11.11% | -218.21% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Viking global investors lp | 1.79M | 11.56% | $25.51M |
| Sanofi | 1.16M | 7.49% | $16.52M |
| Perceptive advisors | 977.89K | 6.32% | $13.95M |
| Blackrock funding, inc. /de | 728.74K | 4.71% | $10.40M |
| Sofinnova investments | 708.68K | 4.58% | $10.11M |
| Millennium management | 255.34K | 1.76% | $3.57M |
| Pfm health sciences, lp | 244.26K | 1.58% | $3.49M |
| Caption management | 199.51K | 1.29% | $2.85M |
| Kennedy capital management | 177.32K | 1.15% | $2.53M |
| Acadian asset management | 120.12K | 0.78% | $1.71M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sanofi | 1.16M | 9.40% | $16.52M |
| Sofinnova investments | 708.68K | 0.62% | $10.11M |
| Perceptive advisors | 977.89K | 0.52% | $13.95M |
| Birchview capital, lp | 32.11K | 0.46% | $458.21K |
| Pfm health sciences, lp | 244.26K | 0.30% | $3.49M |
| Arbiter partners capital management | 19.76K | 0.25% | $281.96K |
| Murchinson | 33.79K | 0.17% | $482.18K |
| Ikarian capital | 42.12K | 0.12% | $601.08K |
| Yakira capital management | 21.12K | 0.10% | $301.35K |
| Viking global investors lp | 1.79M | 0.07% | $25.51M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wetherby asset management | 40.66K | 0.03% | 40.66K |
| Readystate asset management lp | 26.83K | 0.01% | 26.83K |
| Hrt financial lp | 19.78K | 0.00% | 19.78K |
| Mark asset management lp | 17.00K | 0.02% | 17.00K |
| Kennedy capital management | 177.32K | 0.06% | 12.34K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | - | - | -2.75M |
| Ra capital management | - | - | -2.63M |
| State street | - | - | -2.42M |
| Vanguard group | - | - | -1.86M |
| Tcg crossover management | - | - | -1.75M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Wetherby asset management | 40.66K | 0.03% | 40.66K | $580.16K |
| Readystate asset management lp | 26.83K | 0.01% | 26.83K | $382.92K |
| Hrt financial lp | 19.78K | 0.00% | 19.78K | $282.00K |
| Mark asset management lp | 17.00K | 0.02% | 17.00K | $243.00K |
Sold Out
| Holder | Change |
|---|---|
| Quest partners | -1.00 |
| Financial gravity asset management | -2.00 |
| Jones financial companies lllp | -4.00 |
| Ifp advisors | -4.00 |
| Us bancorp \de\ | -16.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 86 | -10.42% | 10,434,307 | -3.62% | 67 | 1.38% | 30 | 3.45% | 34 | -5.56% |
| Mar 31, 2025 | 9 | -91.59% | 2,655,100 | -76.21% | 18 | 0.35% | 2 | -95.74% | 2 | -93.55% |
| Dec 31, 2024 | 107 | 2.88% | 11,162,060 | 25.45% | 72 | 2.18% | 47 | -20.34% | 31 | 72.22% |
| Sep 30, 2024 | 104 | 10.64% | 8,897,409 | -8.12% | 57 | 1.29% | 59 | 118.52% | 18 | -70.49% |
| Jun 30, 2024 | 2 | -98.47% | 33,090 | -99.91% | - | 0.00% | - | -100.00% | 1 | -97.37% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.22M | 2.32% | 94.03K |
| Vanguard Institutional Extnd Mkt Idx Tr | 394.10K | 0.75% | -76.00 |
| The Merger Fund A | 198.51K | 0.38% | 198.51K |
| Vanguard Russell 2000 ETF | 129.24K | 0.25% | 1.43K |
| Meridian Small Cap Growth Legacy | 123.63K | 0.24% | -39.95K |
| ArrowMark Small Cap Gro | 123.63K | 0.24% | -39.95K |
| NT R2000 Index Fund - NL | 95.63K | 0.18% | -1.93K |
| NT R2000 Index Fund - DC - NL - 2 | 75.94K | 0.14% | -886.00 |
| NT R2000 Growth Index Fund - NL | 65.89K | 0.13% | -2.36K |
| iShares Russell 2000 Small-Cap Idx Instl | 64.02K | 0.12% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 07, 2025 | VIKING GLOBAL INVESTORS LP | - | Sell | $9.95M |
| Oct 07, 2025 | VIKING GLOBAL INVESTORS LP | - | Sell | $526.16K |
| Oct 07, 2025 | VIKING GLOBAL INVESTORS LP | - | Sell | $807.60K |
| Nov 20, 2024 | Kayyem Jon Faiz | - | Buy | $266.10K |
| Nov 19, 2024 | Kayyem Jon Faiz | - | Buy | $495.71K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 3 |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | 3 | - |
| 2024 Q3 | 7 | - |
INBX Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools