13F Filings/TNDM

TANDEM DIABETES CARE INC (TNDM): Institutional Ownership

Hedge funds and institutional managers reporting a position in TNDM · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
22
13F filers
Aggregate Value
$89.1M
Across holders
Last Price
$16.24
2026-06-26
Sector
Health Care
GICS
Holder activity12 new7 added2 reduced
Institutional Holders of TNDM
↗
22 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.86M$35.7M40.1%0.0%Added+$12.7MQ1 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund633K$12.1M13.6%0.1%New—Q1 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund477K$9.2M10.3%0.0%Added+$8.8MQ1 2026
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager471K$9.0M10.1%0.0%Unchanged+$0Q1 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund263K$5.8M6.5%0.0%New—Q4 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund183K$4.0M4.5%0.0%New—Q4 2025
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
Hedge Fund220K$2.7M3.0%0.0%New—Q3 2025
Verition Fund Management LLC
CIK 0001454027
Hedge Fund107K$2.1M2.3%0.0%Added+$1.9MQ1 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund82K$1.5M1.7%0.0%New—Q2 2025
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund79K$1.5M1.7%0.0%Added+$1.3MQ1 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund58K$1.1M1.3%0.0%New—Q1 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund52K$996K1.1%0.0%New—Q1 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund47K$897K1.0%0.0%Added+$226KQ1 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund38K$735K0.8%0.0%Added+$81KQ1 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund30K$648K0.7%0.0%New—Q4 2025
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund15K$321K0.4%0.0%New—Q4 2025
Man Group plc
CIK 0001637460
Hedge Fund13K$281K0.3%0.0%New—Q4 2025
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund7K$266K0.3%0.0%New—Q4 2024
Bridgewater Advisors Inc.
CIK 0001600319
Hedge Fund2K$233K0.3%0.1%New—Q1 2022
Ancora Advisors, LLC
CIK 0001446114
Hedge Fund1K$24K0.0%0.0%Added+$17KQ1 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$35.7M· 40.1% of total· 0.0% port· 1.86M sh· +$12.7M QoQ· Q1 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$12.1M· 13.6% of total· 0.1% port· 633K sh· — QoQ· Q1 2026
Holocene Advisors, LPAdded
Hedge Fund
$9.2M· 10.3% of total· 0.0% port· 477K sh· +$8.8M QoQ· Q1 2026
BAILLIE GIFFORD & COUnchanged
Institutional Manager
$9.0M· 10.1% of total· 0.0% port· 471K sh· +$0 QoQ· Q1 2026
BALYASNY ASSET MANAGEMENT LLCNew
Hedge Fund
$5.8M· 6.5% of total· 0.0% port· 263K sh· — QoQ· Q4 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.New
Hedge Fund
$4.0M· 4.5% of total· 0.0% port· 183K sh· — QoQ· Q4 2025
MOORE CAPITAL MANAGEMENT, LPNew
Hedge Fund
$2.7M· 3.0% of total· 0.0% port· 220K sh· — QoQ· Q3 2025
Verition Fund Management LLCAdded
Hedge Fund
$2.1M· 2.3% of total· 0.0% port· 107K sh· +$1.9M QoQ· Q1 2026
Gotham Asset Management, LLCNew
Hedge Fund
$1.5M· 1.7% of total· 0.0% port· 82K sh· — QoQ· Q2 2025
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$1.5M· 1.7% of total· 0.0% port· 79K sh· +$1.3M QoQ· Q1 2026
RENAISSANCE TECHNOLOGIES LLCNew
Hedge Fund
$1.1M· 1.3% of total· 0.0% port· 58K sh· — QoQ· Q1 2026
Qube Research & Technologies LtdNew
Hedge Fund
$996K· 1.1% of total· 0.0% port· 52K sh· — QoQ· Q1 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$897K· 1.0% of total· 0.0% port· 47K sh· +$226K QoQ· Q1 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$735K· 0.8% of total· 0.0% port· 38K sh· +$81K QoQ· Q1 2026
Walleye Capital LLCNew
Hedge Fund
$648K· 0.7% of total· 0.0% port· 30K sh· — QoQ· Q4 2025
Schonfeld Strategic Advisors LLCNew
Hedge Fund
$321K· 0.4% of total· 0.0% port· 15K sh· — QoQ· Q4 2025
Man Group plcNew
Hedge Fund
$281K· 0.3% of total· 0.0% port· 13K sh· — QoQ· Q4 2025
Bridgewater Associates, LPNew
Hedge Fund
$266K· 0.3% of total· 0.0% port· 7K sh· — QoQ· Q4 2024
Bridgewater Advisors Inc.New
Hedge Fund
$233K· 0.3% of total· 0.1% port· 2K sh· — QoQ· Q1 2022
Ancora Advisors, LLCAdded
Hedge Fund
$24K· 0.0% of total· 0.0% port· 1K sh· +$17K QoQ· Q1 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$709· 0.0% of total· 0.0% port· 37 sh· $-45K QoQ· Q1 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$652· 0.0% of total· 0.0% port· 34 sh· $-7K QoQ· Q1 2026
1–20 of 22
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