Inhibrx Biosciences Ownership | Who Owns Inhibrx Biosciences?
Inhibrx Biosciences Ownership Summary
Inhibrx Biosciences is owned by 30.93% institutional investors, 27.17% insiders, and 41.90% 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 | 30.93% | 27.17% | 41.90% |
| Sector | Healthcare Stocks | 232.01% | 10.74% | -142.75% |
| Industry | Biotech Stocks | 381.47% | 10.55% | -292.02% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Viking global investors lp | 1.79M | 11.56% | $60.21M |
| Perceptive advisors | 1.33M | 8.58% | $44.72M |
| Morgan stanley | 1.17M | 7.54% | $92.25M |
| Sanofi | 1.16M | 7.48% | $91.48M |
| Hightower advisors | 870.51K | 5.62% | $68.77M |
| Blackrock funding, inc. /de | 777.38K | 5.02% | $61.41M |
| Vanguard group | 623.08K | 4.03% | $49.22M |
| Sofinnova investments | 440.09K | 2.85% | $14.82M |
| Capital research global investors | 421.57K | 2.72% | $33.30M |
| Woodline partners lp | 336.59K | 2.18% | $11.34M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sanofi | 1.16M | 29.47% | $91.48M |
| Perceptive advisors | 1.33M | 1.29% | $44.72M |
| Caligan partners lp | 236.38K | 1.04% | $7.96M |
| Sofinnova investments | 440.09K | 0.81% | $14.82M |
| Birchview capital, lp | 31.70K | 0.81% | $1.07M |
| Pfm health sciences, lp | 239.64K | 0.62% | $8.07M |
| Acuta capital partners | 16.38K | 0.57% | $551.58K |
| Readystate asset management lp | 170.16K | 0.24% | $5.73M |
| Viking global investors lp | 1.79M | 0.16% | $60.21M |
| Kennedy capital management | 161.91K | 0.12% | $5.45M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Morgan stanley | 1.17M | 0.01% | 724.87K |
| Capital research global investors | 421.57K | 0.01% | 421.57K |
| Perceptive advisors | 1.33M | 1.29% | 349.81K |
| Caligan partners lp | 236.38K | 1.04% | 236.38K |
| Readystate asset management lp | 170.16K | 0.24% | 143.32K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | - | - | -2.75M |
| Ra capital management | - | - | -2.63M |
| Tcg crossover management | - | - | -1.75M |
| Citadel advisors | - | - | -1.20M |
| Alpine associates management | - | - | -1.05M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Capital research global investors | 421.57K | 0.01% | 421.57K | $33.30M |
| Caligan partners lp | 236.38K | 1.04% | 236.38K | $7.96M |
| Norges bank | 133.30K | 0.00% | 133.30K | $10.53M |
| Summittx capital | 54.14K | 0.08% | 54.14K | $1.82M |
| Wellington management group llp | 29.76K | 0.00% | 29.76K | $1.00M |
Sold Out
| Holder | Change |
|---|---|
| Financial gravity asset management | -2.00 |
| Jones financial companies lllp | -4.00 |
| Ifp advisors | -4.00 |
| Lindbrook capital | -17.00 |
| Corecap advisors | -18.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 67 | -36.19% | 4,787,060 | -54.40% | 30 | 0.67% | 38 | -19.15% | 14 | -61.11% |
| Sep 30, 2025 | 40 | -54.02% | 3,943,558 | -62.21% | 25 | 0.56% | 11 | -64.52% | 14 | -58.82% |
| 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% |
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 | - |
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