TANDEM DIABETES CARE INC

$TNDM

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Smart money positioned

7 of the Top-200 alpha managers hold $TNDM as of the latest 13F snapshot.

13F holders

268

Insider buys · 90d

Congress · 90d

1trades

Smart Money · top-200 alpha cohort

7 holders · Q1 2026

$TNDM is held by 7 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.61%, with an average of 0.09% of portfolio. Largest holder: Soleus Capital Management, L.P. at 0.61%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Soleus Capital Management, L.P.

0.61% NEW

α +16.0pts

Banque Pictet & Cie SA

0.02% held

α +10.3pts

Wellington Management Group LLP

0.00% held

α +10.5pts

Banco Santander, S.A.

0.00% held

α +12.6pts

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

0.00% held

α +27.5pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 268 · Source: 13F-HR

Oakworth Capital, Inc.

1.65% of portfolio

4,730,757 sh

Saratoga Research & Investment Management

1.58% of portfolio

3,103,609 sh

Marshall & Sullivan Inc.

Wellington Management Group LLP

0.32% of portfolio

2,304,414 sh

Lansdowne Partners (uk) LLP

7.35% of portfolio

2,042,425 sh

TB Capital Gestao de Recursos Ltda.

Freestone Grove Partners LP

0.17% of portfolio

1,870,307 sh

See all 268 13F holders · Pro →

Insider activity · last 90 days

3 transactions · 3 filers

08 Aug 2025

Vosseller Leigh —

▲ BOUGHT

13,720

$10.89

11 Aug 2025

Sheridan John F —

▲ BOUGHT

10,000

$10.23

07 Mar 2025

Kyrillos Jean-Claude —

▲ BOUGHT

10,538

$18.12

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.