AI Holders Summary · Q2 2026

99 institutions reported IPSC in Q2 2026. RA CAPITAL MANAGEMENT, L.P. leads at 13.2% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(2 on this page)

#HolderValueShares% port.Quarter

RA CAPITAL MANAGEMENT, L.P.

CIK 0001346824

$43M17.8M0.38%Q2 2026 02

TCG Crossover Management, LLC

CIK 0001839948

$43M17.8M1.04%Q2 2026 03

Versant Venture Management, LLC

CIK 0001560009

$30M12.2M18.33%Q2 2026 04

Deep Track Capital, LP

CIK 0001856083

$23M9.5M0.34%Q2 2026 05

RTW INVESTMENTS, LP

CIK 0001493215

$21M8.7M0.18%Q2 2026 06

Commodore Capital LP

CIK 0001831942

$21M8.7M1.27%Q2 2026 07

BlackRock, Inc.

CIK 0002012383

$20M8.1M0.00%Q2 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$14M5.7M0.00%Q2 2026 09

BALYASNY ASSET MANAGEMENT L.P.

CIK 0001218710

$14M5.5M0.02%Q2 2026 10

Point72 Asset Management, L.P.

CIK 0001603466

$13M6.0M0.02%Q1 2026 11

Seven Fleet Capital Management LP

CIK 0002092021

$11M4.3M1.76%Q2 2026 12

Woodline Partners LP

CIK 0001784547

$10M4.3M0.03%Q2 2026 13

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$10M4.2M0.00%Q2 2026 14

Trails Edge Capital Partners, LP

CIK 0002077247

$10M4.1M1.61%Q2 2026 15

Spruce Street Capital LP

CIK 0002050194

$10M4.1M1.95%Q2 2026 16

ADAGE CAPITAL PARTNERS GP, L.L.C.

CIK 0001165408

$9M3.8M0.01%Q2 2026 17

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$7M3.0M0.00%Q2 2026 18

TWO SIGMA INVESTMENTS, LP

CIK 0001179392

$7M2.7M0.00%Q2 2026 19

DAFNA Capital Management LLC

CIK 0001389933

$6M2.4M1.12%Q2 2026 20

STEMPOINT CAPITAL LP

CIK 0001952142

$5M2.1M0.91%Q2 2026

Page 1 of 5

79 more holders available. Log in →