Mariner’s Inhibrx INBX Stock Holding History

Mariner’s Portfolio INBX Stock Details INBX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-12,746	Closed	-$1.01M	–	3689
2025 Q4	$1.01M	Sell	12,746 -4,596	-27%	-$313K	﹤0.01%	1949
2025 Q3	$584K	Buy	17,342 +5,388	+45%	+$133K	﹤0.01%	2308
2025 Q2	$171K	Sell	11,954 -6,713	-36%	-$86.8K	﹤0.01%	3103
2025 Q1	$261K	Buy	+18,667	New	+$253K	﹤0.01%	2762

Other funds holding INBX

Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Sanofi Paris, France $336M AUM 126.85% 1-Year Est. Return

HighTower Advisors Chicago, Illinois $94.2B AUM 21.24% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Sofinnova Investments Menlo Park, California $2.63B AUM 117.41% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Mariner's INBX Position: Q1 2026 in Review

Mariner sold out of Inhibrx (INBX) in Q1 2026, closing a stake of 12,746 shares — an estimated $1.01M sold.

Mariner first reported a position in INBX in Q1 2025 and held it in 4 quarters. The position peaked at $1.01M in Q4 2025. 135 funds tracked by Wall St. Rank hold INBX as of Q1 2026.

Mariner reported no remaining Inhibrx position as of Q1 2026 after selling out during the quarter.
Mariner sold 12,746 Inhibrx shares in Q1 2026, an estimated $1.01M.
Mariner first reported a position in Inhibrx in Q1 2025 and held it in 4 quarters.
Mariner's Inhibrx position peaked at $1.01M in Q4 2025.
135 funds tracked by Wall St. Rank held Inhibrx as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.