# Inhibrx Biosciences, Inc. COM

Inhibrx Biosciences, Inc. COM is a security (CUSIP 45720N103) tracked across SEC portfolio filings. 142 institutional managers reported $950.9M on Form 13F as of 2026-06-30; 13 registered fund positions totaling $42.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Inhibrx Biosciences, Inc.
- Class: COM
- CUSIP: 45720N103
- Asset category: EC
- 13F holders: 142
- 13F value: $950.9M
- 13F period: 2026-06-30
- N-PORT fund positions: 13
- N-PORT value: $42.0M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 142 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Sanofi | Paris, I0 | $109.7M | 1,157,926 |
| [PERCEPTIVE ADVISORS LLC](https://search.stillhousedata.com/firm/154703) | NEW YORK, NY | $97.0M | 1,442,707 |
| [VIKING GLOBAL INVESTORS LP](https://search.stillhousedata.com/firm/132272) | STAMFORD, CT | $96.7M | 1,437,705 |
| MORGAN STANLEY | NEW YORK, NY | $84.9M | 1,263,078 |
| [HighTower Advisors, LLC](https://search.stillhousedata.com/firm/145323) | CHICAGO, IL | $82.5M | 870,551 |
| BlackRock, Inc. | New York, NY | $53.7M | 798,898 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $49.2M | 623,084 |
| STATE STREET CORP | BOSTON, MA | $37.0M | 550,845 |
| Sofinnova Investments, Inc. | Menlo Park, CA | $27.3M | 406,029 |
| Capital Research Global Investors | Los Angeles, CA | $26.4M | 392,847 |
| [Woodline Partners LP](https://search.stillhousedata.com/firm/301480) | San Francisco, CA | $25.8M | 384,433 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $22.0M | 327,860 |
| PFM Health Sciences, LP | San Francisco, CA | $20.5M | 305,431 |
| [Schonfeld Strategic Advisors LLC](https://search.stillhousedata.com/firm/281984) | NEW YORK, NY | $17.1M | 254,827 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $15.6M | 231,509 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [SMALLCAP World Fund Inc](https://search.stillhousedata.com/fund/S000009599) | SMALLCAP World Fund Inc | $23.8M | 2.93% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $7.3M | 0.90% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $4.8M | 2.76% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $2.9M | 15.60% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $1.0M | 2.16% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $661K | 6.70% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $510K | 0.47% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $470K | 0.16% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $454K | 0.08% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $84K | 2.01% |
| [Putnam Multi-Asset Income Fund](https://search.stillhousedata.com/fund/S000067964) | Putnam Asset Allocation Funds | $22K | 0.24% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $14K | 0.11% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $-13K | -0.04% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/45720N103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.