Inhibrx Biosciences, Inc. (INBX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

14,807,228Shares Outstanding

0Shares held by institutions

$0Value of institutional holdings

65.72%Institutional ownership %

0.00%Shares Changed QoQ

87No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Inhibrx Biosciences, Inc. (NASDAQ:INBX) includes 132 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 95.8% of the company's total shares outstanding in December 2025, up from 77.6% in September 2025.
Quarterly data indicates a 26.98% shift in institutional share volume, and the annual owner count reflects an increase of 30.69%.
The latest 13F cycle for Inhibrx Biosciences reveals that of 132 total investors, 80 funds grew their exposure, whereas 38 reduced theirs and 14 made no changes.
The aggregate institutional position in Inhibrx Biosciences now stands at 13.03Mn shares as of December 2025, after investors increased their holdings (up by 2.77Mn shares quarter on quarter which is up 1.84Mn shares year over year).
As of December 31, 2025, PERCEPTIVE ADVISORS LLC held Inhibrx Biosciences's largest shareholding position with over 1.45Mn shares, representing 10.68% of total outstanding shares.
Among the most significant buyers of Inhibrx Biosciences during December 2025 were MORGAN STANLEY (724.87K), Capital Research Global Investors (421.57K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (297.12K), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND (264.00K), DLD Asset Management, LP (204.60K).
Leading sellers of Inhibrx Biosciences stock in December 2025 included VIKING GLOBAL INVESTORS LP (350.00K), Woodline Partners LP (197.11K), KENNEDY CAPITAL MANAGEMENT LLC (90.42K), Caption Management, LLC (41.41K), Groupe la Francaise (31.70K).
The top 10 institutional holders of Inhibrx Biosciences for the quarter ending December 2025 included PERCEPTIVE ADVISORS LLC (1.45Mn), VIKING GLOBAL INVESTORS LP (1.44Mn), MORGAN STANLEY (1.17Mn), Sanofi (1.16Mn), HighTower Advisors, LLC (870.51K), BlackRock, Inc. (777.38K), VANGUARD GROUP INC (623.08K), Sofinnova Investments, Inc. (454.66K), Capital Research Global Investors (421.57K), STATE STREET CORP (374.96K).

132 Institutional Holders

0 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
PERCEPTIVE ADVISORS LLC	31 Dec, 2025	1,452,707	125,000	9.41%	$114,763,853.00
VIKING GLOBAL INVESTORS LP	31 Dec, 2025	1,437,705	-350,000	-19.58%	$113,578,695.00
MORGAN STANLEY	31 Dec, 2025	1,167,728	724,872	163.68%	$92,250,538.00
Sanofi	31 Dec, 2025	1,157,926	0	0.00%	$91,476,154.00
HighTower Advisors, LLC	31 Dec, 2025	870,507	-1,252	-0.14%	$68,770,053.00
BlackRock, Inc.	31 Dec, 2025	777,383	92,637	13.53%	$61,413,257.00
VANGUARD GROUP INC	31 Dec, 2025	623,084	28,166	4.73%	$49,223,636.00
Sofinnova Investments, Inc.	31 Dec, 2025	454,657	14,565	3.31%	$35,917,903.00
Capital Research Global Investors	31 Dec, 2025	421,575	421,575	0.00%	$33,304,425.00
STATE STREET CORP	31 Dec, 2025	374,961	171,038	83.87%	$29,621,919.00
Caligan Partners LP	31 Dec, 2025	323,565	87,182	36.88%	$25,561,635.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	297,116	297,116	0.00%	$23,472,164.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	275,917	-21,903	-7.35%	$21,797,443.00
PFM Health Sciences, LP	31 Dec, 2025	265,517	25,873	10.80%	$20,975,843.00
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	31 Dec, 2025	264,000	264,000	0.00%	$20,856,000.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	226,009	4,089	1.84%	$17,858,743.00
Schonfeld Strategic Advisors LLC	31 Dec, 2025	214,725	117,343	120.50%	$16,963,275.00
DLD Asset Management, LP	31 Dec, 2025	204,600	204,600	0.00%	$16,174,654.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	167,117	141,151	543.60%	$13,202,243.00
Woodline Partners LP	31 Dec, 2025	139,479	-197,111	-58.56%	$11,018,841.00

1 - 20 of 132

Research Tools