Who owns Inhibrx Biosciences Inc.?
Institutional ownership of INBX from SEC Form 13F filings across 111 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
111
13F holders
$883.0M
value, 2026 filers
63.7%
of shares outstanding (9.4M sh)
30
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of INBX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 1.3M | $123.9M | 0.0% | 8.9% | +3.6% |
| 2 | VIKING GLOBAL INVESTORS LP | 1.1M | $106.5M | 0.3% | 7.7% | -21.8% |
| 3 | HighTower Advisors, LLC | 870,551 | $82.5M | 0.1% | 5.9% | 0.0% |
| 4 | BANK OF AMERICA CORP /DE/ | 841,141 | $79.7M | 0.0% | 5.7% | +2473.6% |
| 5 | BlackRock, Inc. | 825,972 | $78.3M | 0.0% | 5.6% | +3.4% |
| 6 | Schonfeld Strategic Advisors LLC | 697,586 | $66.1M | 0.2% | 4.8% | +173.7% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 492,477 | $46.7M | 0.0% | 3.4% | -49.4% |
| 8 | Woodline Partners LP | 400,892 | $38.0M | 0.1% | 2.7% | -47.9% |
| 9 | Capital Research Global Investors | 363,050 | $34.4M | 0.0% | 2.5% | -7.6% |
| 10 | GOLDMAN SACHS GROUP INC | 338,176 | $32.0M | 0.0% | 2.3% | +255.7% |
| 11 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 271,700 | $25.7M | 0.0% | 1.9% | +59.2% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 256,175 | $24.3M | 0.0% | 1.7% | +10.7% |
| 13 | MILLENNIUM MANAGEMENT LLC | 147,200 | $13.9M | 0.0% | 1% | -55.1% |
| 14 | FIRST TRUST ADVISORS LPNEW | 128,424 | $12.2M | 0.0% | 0.9% | new |
| 15 | VANGUARD PORTFOLIO MANAGEMENT LLC | 122,557 | $11.6M | 0.0% | 0.8% | +69.1% |
| 16 | NORTHERN TRUST CORP | 100,957 | $9.6M | 0.0% | 0.7% | +7.7% |
| 17 | NORGES BANKNEW | 90,300 | $8.6M | 0.0% | 0.6% | new |
| 18 | CITIGROUP INC | 75,721 | $7.2M | 0.0% | 0.5% | +21.1% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 69,920 | $6.6M | 0.0% | 0.5% | +8.7% |
| 20 | BNP PARIBAS FINANCIAL MARKETS | 59,841 | $5.7M | 0.0% | 0.4% | +83.9% |
| 21 | Voleon Capital Management LP | 58,358 | $5.5M | 0.1% | 0.4% | +48.5% |
| 22 | VICTORY CAPITAL MANAGEMENT INC | 36,443 | $3.5M | 0.0% | 0.2% | +233.6% |
| 23 | Verition Fund Management LLCNEW | 35,986 | $3.4M | 0.0% | 0.2% | new |
| 24 | UBS Group AG | 35,019 | $3.3M | 0.0% | 0.2% | -27.3% |
| 25 | Sixth Street Partners Management Company, L.P.NEW | 28,678 | $2.7M | 0.5% | 0.2% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.