AI Holders Summary · Q1 2026

321 institutions reported INSP in Q1 2026. BlackRock, Inc. leads at 14.2% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(3 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$183M3.5M0.00%Q1 2026 02

DEERFIELD MANAGEMENT COMPANY, L.P.

CIK 0001009258

$139M1.5M1.77%Q4 2025 03

WELLINGTON MANAGEMENT GROUP LLP

CIK 0000902219

$131M2.5M0.02%Q1 2026 04

D. E. Shaw & Co., Inc.

CIK 0001009207

$112M1.2M0.06%Q4 2025 05

Vanguard Portfolio Management

CIK 0002100121· Index

$84M1.6M0.00%Q1 2026 06

MORGAN STANLEY

CIK 0000895421

$75M1.5M0.00%Q1 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$65M1.3M0.00%Q1 2026 08

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

CIK 0001644956

$59M1.1M0.19%Q1 2026 09

CITADEL ADVISORS LLC

CIK 0001423053

$52M562K0.01%Q4 2025 10

STATE STREET CORP

CIK 0000093751

$49M956K0.00%Q1 2026 11

MARSHALL WACE, LLP

CIK 0001318757

$49M531K0.04%Q4 2025 12

Artisan Partners Limited Partnership

CIK 0001466153

$40M781K0.06%Q1 2026 13

Assenagon Asset Management S.A.

CIK 0001546007

$39M864K0.05%Q2 2026 14

BRAIDWELL LP

CIK 0001920938

$35M678K1.17%Q1 2026 15

GOLDMAN SACHS GROUP INC

CIK 0000886982

$34M664K0.00%Q1 2026 16

UBS Group AG

CIK 0001610520

$33M639K0.00%Q1 2026 17

Soleus Capital Management, L.P.

CIK 0001802630

$30M576K1.20%Q1 2026 18

Vestal Point Capital, LP

CIK 0001974915

$28M539K0.78%Q1 2026 19

DEUTSCHE BANK AG\

CIK 0000948046

$26M513K0.01%Q1 2026 20

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$26M510K0.00%Q1 2026

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