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 | 488.17% | 11.08% | -399.26% |
| Industry | Biotech Stocks | 306.59% | 11.10% | -217.69% |
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 |
| Ethic | 15.74K | 0.00% | 15.74K |
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 |
| Ethic | 15.74K | 0.00% | 15.74K | $227.11K |
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 |
|---|---|---|---|---|
| Nov 19, 2024 | Kayyem Jon Faiz | - | Buy | $495.71K |
| Nov 20, 2024 | Kayyem Jon Faiz | - | Buy | $266.10K |
| Oct 03, 2024 | Vuori Kristiina MD | - | Buy | $100.00K |
| Sep 12, 2024 | Lappe Mark | Chief Executive Officer | Buy | $405.79K |
| Sep 16, 2024 | Lappe Mark | Chief Executive Officer | Buy | $223.32K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | 3 | - |
| 2024 Q3 | 7 | - |
| 2024 Q2 | - | 1 |
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