AI Holders Summary · Q1 2026

117 institutions reported MASS in Q1 2026. First Light Asset Management, LLC leads at 26.3% 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

First Light Asset Management, LLC

CIK 0001600004

$37M6.1M3.33%Q1 2026 02

AWM Investment Company, Inc.

CIK 0001535264

$32M5.2M3.52%Q1 2026 03

ARK Investment Management LLC

CIK 0001697748

$12M1.9M0.09%Q1 2026 04

BlackRock, Inc.

CIK 0002012383

$11M1.8M0.00%Q1 2026 05

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$7M1.1M0.00%Q1 2026 06

First Eagle Investment Management, LLC

CIK 0001325447

$5M804K0.01%Q1 2026 07

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$4M695K0.00%Q1 2026 08

Granahan Investment Management, LLC

CIK 0001026710

$4M695K0.21%Q1 2026 09

NEEDHAM INVESTMENT MANAGEMENT LLC

CIK 0001167212

$4M770K0.26%Q4 2025 10

STATE STREET CORP

CIK 0000093751

$4M626K0.00%Q1 2026 11

Tao Capital Management LP

CIK 0001802967

$3M569K2.93%Q1 2026 12

ESSEX INVESTMENT MANAGEMENT CO LLC

CIK 0000201772

$3M491K0.48%Q1 2026 13

MORGAN STANLEY

CIK 0000895421

$2M373K0.00%Q1 2026 14

Meros Investment Management, LP

CIK 0001911372

$2M362K0.96%Q1 2026 15

PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.

CIK 0001166152

$2M362K0.22%Q1 2026 16

HighMark Wealth Management LLC

CIK 0001802451

$2M319K0.80%Q1 2026 17

Amova Asset Management Americas, Inc.

CIK 0001480751

$2M270K0.02%Q1 2026 18

Sumitomo Mitsui Trust Group, Inc.

CIK 0001475365

$2M270K0.00%Q1 2026 19

GSA CAPITAL PARTNERS LLP

CIK 0001362033

$2M251K0.10%Q1 2026 20

CITADEL ADVISORS LLC

CIK 0001423053

$2M287K0.00%Q4 2025

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