AI Holders Summary · Q2 2026

291 institutions reported TNDM in Q2 2026. BlackRock, Inc. leads at 19.2% 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

$175M11.6M0.00%Q2 2026 02

UBS Group AG

CIK 0001610520

$95M6.3M0.01%Q2 2026 03

Sessa Capital IM, L.P.

CIK 0001595849

$77M5.1M1.29%Q2 2026 04

Vanguard Portfolio Management

CIK 0002100121· Index

$65M4.3M0.00%Q2 2026 05

GW&K Investment Management, LLC

CIK 0001082917

$52M2.7M0.45%Q1 2026 06

First Light Asset Management, LLC

CIK 0001600004

$51M3.4M3.10%Q2 2026 07

VANGUARD CAPITAL MANAGEMENT LLC

CIK 0002100119· Index

$47M3.1M0.00%Q2 2026 08

STATE STREET CORP

CIK 0000093751

$43M2.9M0.00%Q2 2026 09

JENNISON ASSOCIATES LLC

CIK 0000053417

$35M2.3M0.02%Q2 2026 10

Paradice Investment Management LLC

CIK 0001620275

$31M2.0M4.87%Q2 2026 11

JACOBS LEVY EQUITY MANAGEMENT, INC

CIK 0000884414

$29M1.5M0.12%Q1 2026 12

Freestone Grove Partners LP

CIK 0002007591

$28M1.9M0.18%Q2 2026 13

CITADEL ADVISORS LLC

CIK 0001423053

$28M1.9M0.00%Q2 2026 14

GEODE CAPITAL MANAGEMENT, LLC

CIK 0001214717· Index

$27M1.8M0.00%Q2 2026 15

DRIEHAUS CAPITAL MANAGEMENT LLC

CIK 0000938206

$27M1.8M0.16%Q2 2026 16

TWO SIGMA ADVISERS, LP

CIK 0001478735

$21M938K0.04%Q4 2025 17

D. E. Shaw & Co., Inc.

CIK 0001009207

$20M924K0.01%Q4 2025 18

MILLENNIUM MANAGEMENT LLC

CIK 0001273087

$20M1.3M0.01%Q2 2026 19

Woodline Partners LP

CIK 0001784547

$20M1.3M0.06%Q2 2026 20

ArrowMark Colorado Holdings LLC

CIK 0001483859

$20M1.3M0.82%Q2 2026

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