AI Holders Summary · Q1 2026

270 institutions reported PUMP in Q1 2026. BlackRock, Inc. leads at 12.5% of the visible book.

Top holders

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

Hide index funds / market makers / custodians(5 on this page)

#HolderValueShares% port.Quarter

BlackRock, Inc.

CIK 0002012383

$124M8.6M0.00%Q1 2026 02

Sourcerock Group LLC

CIK 0001822531

$104M7.2M4.21%Q1 2026 03

DIMENSIONAL FUND ADVISORS LP

CIK 0000354204· Quasi-passive

$93M6.5M0.02%Q1 2026 04

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$63M4.4M0.00%Q1 2026 05

Valiant Capital Management, L.P.

CIK 0001452689

$58M4.0M3.35%Q1 2026 06

AMERICAN CENTURY COMPANIES INC

CIK 0000748054

$55M3.8M0.03%Q1 2026 07

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$50M3.4M0.03%Q1 2026 08

MORGAN STANLEY

CIK 0000895421

$46M3.2M0.00%Q1 2026 09

STATE STREET CORP

CIK 0000093751

$44M3.1M0.00%Q1 2026 10

COOPER CREEK PARTNERS MANAGEMENT LLC

CIK 0001512162

$43M3.0M1.46%Q1 2026 11

VAN ECK ASSOCIATES CORP

CIK 0000869178

$40M2.8M0.03%Q1 2026 12

Vanguard Portfolio Management

CIK 0002100121· Index

$39M2.7M0.00%Q1 2026 13

D. E. Shaw & Co., Inc.

CIK 0001009207

$36M3.8M0.02%Q4 2025 14

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK 0000884546· Index

$36M2.5M0.01%Q1 2026 15

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$34M2.3M0.00%Q1 2026 16

Philosophy Capital Management LLC

CIK 0001869199

$33M2.3M2.02%Q1 2026 17

Alta Fundamental Advisers LLC

CIK 0001641604

$26M1.8M9.63%Q1 2026 18

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

CIK 0001535845

$24M1.7M0.04%Q1 2026 19

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$22M1.6M0.01%Q1 2026 20

Nuveen, LLC

CIK 0001871926

$22M1.5M0.01%Q1 2026

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