AI Holders Summary · Q1 2026

52 institutions reported OKUR in Q1 2026. RA CAPITAL MANAGEMENT, L.P. leads at 17.1% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

Hide index funds / market makers / custodians(1 on this page)

#HolderValueShares% port.Quarter

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$17M4.0M0.18%Q1 2026 02

ACORN CAPITAL ADVISORS, LLC

CIK 0002054410

$12M2.8M3.34%Q1 2026 03

StepStone Group LP

CIK 0001502287

$11M2.7M5.31%Q1 2026 04

ADAR1 Capital Management, LLC

CIK 0001940272

$10M2.4M0.59%Q1 2026 05

Prosight Management, LP

CIK 0001617201

$9M2.2M1.46%Q1 2026 06

Vivo Capital, LLC

CIK 0001674712

$8M1.9M0.66%Q1 2026 07

Vestal Point Capital, LP

CIK 0001974915

$8M1.8M0.21%Q1 2026 08

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$5M1.2M0.01%Q1 2026 09

Sio Capital Management, LLC

CIK 0001482416

$4M1.1M0.64%Q1 2026 10

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$2M582K0.00%Q1 2026 11

NEA Management Company, LLC

CIK 0001512848

$2M479K0.11%Q1 2026 12

Rosalind Advisors, Inc.

CIK 0001622627

$2M444K0.74%Q1 2026 13

RENAISSANCE TECHNOLOGIES LLC

CIK 0001037389

$2M377K0.00%Q1 2026 14

Carlyle Group Inc.

CIK 0001527166

$1M270K0.01%Q1 2026 15

Affinity Asset Advisors, LLC

CIK 0001773195

$998K241K0.05%Q1 2026 16

DV Trading LLC

CIK 0001721757

$998K241K0.02%Q1 2026 17

CITADEL ADVISORS LLC

CIK 0001423053

$647K223K0.00%Q4 2025 18

Sofinnova Investments, Inc.

CIK 0001631134

$587K142K0.02%Q1 2026 19

KOTLER KEVIN

CIK 0001601692

$573K198K0.13%Q4 2025 20

Stonepine Capital Management, LLC

CIK 0001440771

$549K133K0.22%Q1 2026

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