Inhibrx Biosciences INBX Institutional Ownership

NASDAQ INBX
$98.19 +2.89 (+3.03%)
At close: Oct 21, 2026 · 4:00 PM EDT

As of the 13F quarter ended Jun 30, 2026, 163 institutions held 91.44% of Inhibrx Biosciences (INBX) shares outstanding. Versus the prior quarter, institutional ownership was up 4.41 percentage points, the holder count rose by 28 and shares held were up 12.70%. The largest holder is Morgan Stanley with 1.31Mn shares (8.35% of outstanding).

Updated Inhibrx Biosciences (INBX) stock price and overview

Institutions by Trading Activity

163 Institutions
Increased 108 66.3%
Unchanged 16 9.8%
Reduced 39 23.9%

Ownership Statistics

13F · as of 30 Jun, 2026
Institutional Ownership
91.44%
▲+4.41 pp QoQ
Shares Held by Institutions
14.33Mn
of 15.67Mn outstanding
▲+12.70% QoQ
Shares Outstanding
15.67Mn
1.34Mn held outside 13F filers
Institutional Investors
163
filed 13F for Jun 2026
▲+28 vs prior quarter
Net Shares Added (QoQ)
+1.61Mn
accumulated since last quarter
Value of Holdings
$1.37Bn
reported market value

Shares Owned by Institutions

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed
Latest quarter —
Net over range —
Accumulating quarters —

Ownership Summary

Inhibrx Biosciences, Inc. (NASDAQ:INBX) was reported as a holding by 163 institutional investors in 13F filings for the quarter ended June 30, 2026.

Form 13F Holdings

164 Institutional Holders

Report period 30 Jun, 2026
Total shares held 14.33Mn
Of outstanding 91.44%
Download Data
# Institution CIK Shares Held % of Outstanding Change (QoQ) Change (%) Value (USD)
1 Morgan Stanley 0000895421 1,308,051 8.35% ▲44,973 +3.56% $123.94Mn
2 PERCEPTIVE ADVISORS LLC 0001224962 1,297,763 8.28% ▼144,944 -10.05% $122.96Mn
3 Sanofi 0001121404 1,157,926 7.39% 0 0.00% $109.71Mn
4 VIKING GLOBAL INVESTORS LP 0001103804 1,123,929 7.17% ▼313,776 -21.82% $106.49Mn
5 HighTower Advisors, LLC 0001462245 870,551 5.56% ▲351 +0.04% $82.48Mn
6 Bank Of America Corp /De/ 0000070858 841,141 5.37% ▲808,458 +2,473.63% $79.70Mn
7 BlackRock, Inc. 0002012383 825,972 5.27% ▲27,074 +3.39% $78.26Mn
8 Schonfeld Strategic Advisors LLC 0001665241 697,586 4.45% ▲442,759 +173.75% $66.10Mn
9 State Street Corp 0000093751 640,458 4.09% ▲89,613 +16.27% $60.68Mn
10 VANGUARD CAPITAL MANAGEMENT LLC 0002100119 492,477 3.14% ▲6,055 +1.24% $46.66Mn
11 Woodline Partners LP 0001784547 400,892 2.56% ▲16,459 +4.28% $37.98Mn
12 Capital Research Global Investors 0001422848 363,050 2.32% ▼29,797 -7.58% $34.40Mn
13 Goldman Sachs Group Inc 0000886982 338,176 2.16% ▲243,102 +255.70% $32.04Mn
14 PFM Health Sciences, LP 0001442756 308,385 1.97% ▲2,954 +0.97% $29.22Mn
15 Sofinnova Investments, Inc. 0001631134 303,103 1.93% ▼102,926 -25.35% $28.72Mn
16 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0001535845 271,700 1.73% ▲101,000 +59.17% $25.74Mn
17 Parkman Healthcare Partners LLC 0001777015 256,950 1.64% ▲256,950 0.00% $24.35Mn
18 GEODE CAPITAL MANAGEMENT, LLC 0001214717 256,175 1.63% ▲24,666 +10.65% $24.28Mn
19 First Turn Management, LLC 0001993440 164,783 1.05% ▲164,783 0.00% $15.61Mn
20 MILLENNIUM MANAGEMENT LLC 0001273087 147,200 0.94% ▼180,660 -55.10% $13.95Mn