AI Holders Summary · Q1 2026

160 institutions reported SEMR in Q1 2026. Greycroft LP leads at 15.3% 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

Greycroft LP

CIK 0001910274

$107M9.0M73.31%Q1 2026 02

GLAZER CAPITAL, LLC

CIK 0001076809

$75M6.3M1.59%Q1 2026 03

FIL Ltd

CIK 0000318989

$62M5.2M0.05%Q1 2026 04

NEXPOINT ASSET MANAGEMENT, L.P.

CIK 0001469877

$55M4.6M3.68%Q1 2026 05

Siguler Guff Advisers, LLC

CIK 0001328551

$51M7.3M91.75%Q3 2025 06

BlackRock, Inc.

CIK 0002012383

$45M3.8M0.00%Q1 2026 07

Vanguard Portfolio Management

CIK 0002100121· Index

$45M3.7M0.00%Q1 2026 08

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$32M2.7M0.00%Q1 2026 09

ALLIANCEBERNSTEIN L.P.

CIK 0001109448

$25M2.1M0.01%Q1 2026 10

Qube Research & Technologies Ltd

CIK 0001729829

$23M1.9M0.03%Q1 2026 11

ODDO BHF ASSET MANAGEMENT SAS

CIK 0001686970

$21M1.8M0.85%Q1 2026 12

GOLDMAN SACHS GROUP INC

CIK 0000886982

$21M1.8M0.00%Q1 2026 13

MORGAN STANLEY

CIK 0000895421

$21M1.7M0.00%Q1 2026 14

ALPINE ASSOCIATES MANAGEMENT INC.

CIK 0001396835

$19M1.6M1.11%Q1 2026 15

AQR Arbitrage LLC

CIK 0001167456

$18M1.5M0.38%Q4 2025 16

SOROS FUND MANAGEMENT LLC

CIK 0001029160

$18M1.5M0.19%Q1 2026 17

UBS Group AG

CIK 0001610520

$17M1.4M0.00%Q1 2026 18

STATE STREET CORP

CIK 0000093751

$16M1.4M0.00%Q1 2026 19

Squarepoint Ops LLC

CIK 0001642575

$15M1.2M0.02%Q1 2026 20

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 0001164508

$14M1.2M0.01%Q1 2026

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