Skip to main content
INBX logo

INBX · Inhibrx Biosciences, Inc.

Track INBX — free
$103.63 +4.48 (+4.52%) At close · Aug 21
Market Cap
$1.53B
Shares
14.72M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 165
Total Value: $1,392,535,652
Total Shares: 14,696,947

Institutional Ownership Trend

9 quarters

Holder Concentration

Across 165 13F filers · Δ vs Mar 31, 2026
Top Holder
8.9%
Jun 2024 → Jun 2026 · range 8.9% – 19.4%
−2.1 pts
Top 5
39.2%
Jun 2024 → Jun 2026 · range 39.2% – 55.1%
−8.0 pts
Top 10
63.0%
Jun 2024 → Jun 2026 · range 62.0% – 76.8%
−4.3 pts
HHI
479
Jun 2024 → Jun 2026 · range 479 – 786
Broadly held−107

Quarterly Activity

vs Mar 31, 2026
New
50
Increased
56
Decreased
42
Sold Out
23
Unchanged
17
Holder count: +27
Institutional value: +58.2%
Shares held: +12.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 175
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 2007919 CUSIP 45720N103 13F (30d) 153 filings 149 filers Visit website