Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share (INBX)

CUSIP: 45720N103

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
14,560,641
Total 13F shares
12,777,955
Share change
+2,191,004
Total reported value
$1,009,450,047
Put/Call ratio
69%
Price per share
$79.00
Number of holders
138
Value change
+$184,334,509
Number of buys
80
Number of sells
46

Quarterly Holders Quick Answers

What is CUSIP 45720N103?
CUSIP 45720N103 identifies INBX - Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share in SEC institutional holdings data.

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Top shareholders of INBX - Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
VIKING GLOBAL INVESTORS LP
13D/G 3/4/5 13F
10%+ Owner · Company
10%
1,454,608
$106,593,674 $0 31 Dec 2025
MORGAN STANLEY
13D/G 13F
Company
7.9%
1,155,416
$84,668,884 $0 31 Dec 2025
BlackRock, Inc.
13D/G 13F
Company
5.3%
768,130
$60,682,270 +$6,933,198 31 Dec 2025
PERCEPTIVE ADVISORS LLC
13F
Company
9.1%
1,327,707
$44,717,171 30 Sep 2025
13F
Sanofi
13F
Company
8%
1,157,926
$38,998,948 30 Sep 2025
13F
HighTower Advisors, LLC
13F
Company
6%
871,759
$29,360,843 30 Sep 2025
13F
VANGUARD GROUP INC
13F
Company
4.1%
594,918
$20,036,838 30 Sep 2025
13F
Mark P. Lappe
3/4/5 13D/G
Chief Executive Officer, Director · Mark Lappe
6.4%
from 13D/G
1,225,413
mixed-class rows
$15,852,324 12 Sep 2024
Jon Faiz Kayyem
3/4/5 13D/G
Director
7.9%
from 13D/G
1,074,046
mixed-class rows
$15,030,087 28 May 2025
Sofinnova Investments, Inc.
13F
Company
3%
440,092
$14,822,299 30 Sep 2025
13F
Woodline Partners LP
13F
Company
2.3%
336,590
$11,336,351 30 Sep 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
2%
297,820
$10,030,578 30 Sep 2025
13F
PFM Health Sciences, LP
13F
Company
1.6%
239,644
$8,071,210 30 Sep 2025
13F
Caligan Partners LP
13F
Company
1.6%
236,383
$7,961,379 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.5%
221,920
$7,476,072 30 Sep 2025
13F
STATE STREET CORP
13F
Company
1.4%
203,923
$6,868,127 30 Sep 2025
13F
Brendan P. Eckelman
3/4/5
Chief Scientific Officer
mixed-class rows
648,888
mixed-class rows
$6,127,372 29 May 2024
READYSTATE ASSET MANAGEMENT LP
13F
Company
1.2%
170,158
$5,730,921 30 Sep 2025
13F
KENNEDY CAPITAL MANAGEMENT LLC
13F
Company
1.1%
161,909
$5,453,095 30 Sep 2025
13F
Schonfeld Strategic Advisors LLC
13F
Company
0.67%
97,382
$3,279,825 30 Sep 2025
13F
Douglas G. Forsyth
3/4/5
Director
mixed-class rows
239,564
mixed-class rows
$3,159,615 28 May 2025
NORTHERN TRUST CORP
13F
Company
0.64%
92,657
$3,120,688 30 Sep 2025
13F
BOOTHBAY FUND MANAGEMENT, LLC
13F
Company
0.54%
78,812
$2,654,388 30 Sep 2025
13F
JANE STREET GROUP, LLC
13F
Company
0.43%
62,941
$2,119,853 30 Sep 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.39%
57,194
$1,926,294 30 Sep 2025
13F
SummitTX Capital, L.P.
13F
Company
0.37%
54,143
$1,823,536 30 Sep 2025
13F
Bank of New York Mellon Corp
13F
Company
0.34%
50,125
$1,688,210 30 Sep 2025
13F
Groupe la Francaise
13F
Individual
0.33%
47,334
$1,594,209 30 Sep 2025
13F
Slotnik Capital, LLC
13F
Company
0.28%
41,401
$1,394,386 30 Sep 2025
13F
Laird Norton Wetherby Wealth Management, LLC
13F
Company
0.28%
40,656
$1,369,295 30 Sep 2025
13F
FMR LLC
13F
Company
0.27%
39,327
$1,324,521 30 Sep 2025
13F
Russell Investments Group, Ltd.
13F
Company
0.26%
38,134
$1,284,352 30 Sep 2025
13F
ArrowMark Colorado Holdings LLC
13F
Company
0.24%
35,176
$1,184,728 30 Sep 2025
13F
Birchview Capital, LP
13F
Company
0.22%
31,698
$1,067,589 30 Sep 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
0.2%
29,759
$1,002,282 30 Sep 2025
13F
CREDIT INDUSTRIEL ET COMMERCIAL
13F
Individual
0.2%
28,958
$975,305 30 Sep 2025
13F
ACADIAN ASSET MANAGEMENT LLC
13F
Company
0.2%
28,445
$957,000 30 Sep 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.19%
27,793
$936,068 30 Sep 2025
13F
MARSHALL WACE, LLP
13F
Company
0.19%
27,242
$917,511 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.18%
25,966
$874,535 30 Sep 2025
13F
Meridian Wealth Advisors, LLC
13F
Company
0.17%
25,000
$842,000 30 Sep 2025
13F
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management
13F
Company
0.16%
22,584
$760,630 30 Sep 2025
13F
ALLIANCEBERNSTEIN L.P.
13F
Company
0.13%
19,230
$647,666 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.12%
17,832
$600,581 30 Sep 2025
13F
Nuveen, LLC
13F
Company
0.12%
17,584
$592,229 30 Sep 2025
13F
Invesco Ltd.
13F
Company
0.12%
17,574
$591,892 30 Sep 2025
13F
Mariner, LLC
13F
Company
0.12%
17,342
$584,079 30 Sep 2025
13F
FRANKLIN RESOURCES INC
13F
Company
0.12%
17,164
$578,084 30 Sep 2025
13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
0.11%
16,500
$555,720 30 Sep 2025
13F
ACUTA CAPITAL PARTNERS, LLC
13F
Company
0.11%
16,377
$551,577 30 Sep 2025
13F

Institutional Holders of Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share (INBX) as of Q4 2025

As of 31 Dec 2025, Inhibrx Biosciences, Inc. - Common Stock, par value $0.0001 per share (INBX) was held by 138 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 12,777,955 shares. The largest 10 holders included PERCEPTIVE ADVISORS LLC, VIKING GLOBAL INVESTORS LP, MORGAN STANLEY, Sanofi, HighTower Advisors, LLC, BlackRock, Inc., VANGUARD GROUP INC, Sofinnova Investments, Inc., Capital Research Global Investors, and STATE STREET CORP. This page lists 138 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
101
Q4 2025 holders
138
Holder diff
37
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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