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Livermore
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Tandem Diabetes Care Inc

TNDM
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001438133

No open-market purchases or sales by Tandem Diabetes Care Inc insiders were filed in the last 90 days; 274 institutions reported holding it in 13F filings for Q2 2026, worth $1.19B in total; no superinvestor holds it.

Q3 2024 vs. Q2 2024

How the institutions holding Tandem Diabetes Care Inc changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of TNDM: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders3173332+18
Shares73.6M11.2M73.1M+10.7M (+17.2%)
Value$2.96B$451.3M$3.10B+$586.3M (+23.3%)

3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (59)

Institutions that held Tandem Diabetes Care Inc at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to TNDM in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.11,110,445$471.2M0.01%
Divisadero Street Capital Management, LP1,052,606$44.6M5.74%
Cubist Systematic Strategies, LLC320,449$13.6M0.21%
Point72 Asset Management, L.P.240,706$10.2M0.04%
Polar Capital Holdings Plc153,952$6.53M0.04%
Integral Health Asset Management, LLC150,000$6.36M0.75%
Standard Life Aberdeen plc144,451$6.13M0.01%
Kennedy Capital Management, Inc.125,034$5.30M0.12%
Simplify Asset Management Inc.114,604$4.86M0.33%
Capital Fund Management S.A.92,690$3.93M0.04%
Lighthouse Investment Partners, LLC76,183$3.23M0.17%
Millrace Asset Group, Inc.46,304$1.96M1.99%
Qube Research & Technologies Ltd42,193$1.79M0.00%
Caption Management, LLC30,000$1.27M0.14%
Shell Asset Management Co22,478$953.0K0.04%
Brevan Howard Capital Management LP21,932$930.1K0.04%
Mangrove Partners20,699$877.8K0.08%
Shay Capital LLC15,000$636.1K0.19%
ProShare Advisors LLC13,886$588.9K0.00%
Natixis12,200$517.4K0.00%
Bayesian Capital Management, LP12,062$511.5K0.06%
Point72 Hong Kong Ltd10,928$463.5K0.03%
Danske Bank A/S7,284$308.9K0.00%
Summit Trail Advisors, LLC7,054$299.2K0.01%
Inceptionr LLC6,795$288.2K0.07%
Blueshift Asset Management, LLC6,641$281.6K0.07%
Los Angeles Capital Management LLC6,205$263.2K0.00%
Wolverine Trading, LLC5,770$244.9K0.01%
Envestnet Portfolio Solutions, Inc.5,376$228.0K0.00%
Private Advisor Group, LLC5,196$220.4K0.00%
JustInvest LLC5,105$216.5K0.00%
Crossmark Global Holdings, Inc.4,720$200.0K0.00%
Point72 (DIFC) Ltd3,063$129.9K0.01%
Point72 Asia (Singapore) Pte. Ltd.2,468$104.7K0.02%
Canada Pension Plan Investment Board1,800$76.3K0.00%
CoreCap Advisors, LLC1,283$54.4K0.00%
McIlrath & Eck, LLC1,215$51.5K0.01%
Waldron Private Wealth LLC1,182$50.1K0.00%
Acadian Asset Management LLC958$40.0K0.00%
ORG Wealth Partners, LLC704$29.9K0.01%
Assetmark, Inc690$29.3K0.00%
Aster Capital Management (DIFC) Ltd657$27.9K0.01%
Skopos Labs, Inc.656$27.8K0.01%
Catalyst Funds Management Pty Ltd300$12.7K0.00%
Elequin Capital LP121$5.13K0.00%
Ashton Thomas Securities, LLC90$3.82K0.00%
Continuum Advisory, LLC100$2.86K0.00%
Sterling Capital Management LLC67$2.84K0.00%
Bokf, NA66$2.67K0.00%
Bartlett & Co. Wealth Management LLC62$2.63K0.00%
National Bank of Canada38$1.61K0.00%
Eastern Bank32$1.36K0.00%
Fortitude Family Office, LLC21$8910.00%
Clearstead Advisors, LLC16$6790.00%
JFS Wealth Advisors, LLC15$6370.00%
Capital Performance Advisors LLP9$3820.00%
Mendota Financial Group, LLC5$2130.00%
Bryn Mawr Trust Co5$2120.00%
MV Capital Management, Inc.1$430.00%

Sold out (41)

Institutions that held Tandem Diabetes Care Inc at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of TNDM in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Voloridge Investment Management, LLC230,410$9.28M
Man Group plc121,245$4.88M
Skandinaviska Enskilda Banken AB (publ)118,221$4.77M
Nicholas Investment Partners, LP98,063$3.95M
Macquarie Group Ltd83,756$3.38M
Dimensional Fund Advisors LP56,200$2.26M
Twinbeech Capital LP40,801$1.64M
Pura Vida Investments, LLC40,500$1.63M
Two Sigma Securities, LLC34,572$1.39M
Capula Management Ltd23,256$937.0K
Boothbay Fund Management, LLC20,250$815.9K
Gsa Capital Partners LLP19,260$776.0K
Dynamic Technology Lab Private Ltd14,443$582.0K
Quantbot Technologies LP13,089$527.4K
Schonfeld Strategic Advisors LLC12,709$512.0K
Axq Capital, LP12,372$498.5K
Ground Swell Capital, LLC9,698$390.7K
GTS Securities LLC9,576$385.8K
Jump Financial, LLC8,887$358.1K
Balyasny Asset Management LLC8,629$347.7K
UniSuper Management Pty Ltd8,300$334.4K
Entropy Technologies, LP6,951$280.1K
Versor Investments LP6,800$274.0K
Meeder Asset Management Inc6,674$268.9K
Omers Administration Corp6,400$257.9K
Aigen Investment Management, LP6,255$252.0K
Nebula Research & Development LLC5,980$240.9K
Wedbush Securities Inc5,902$238.0K
Stonebridge Capital Advisors LLC5,500$221.6K
HighPoint Advisor Group LLC5,672$206.0K
Daiwa Securities Group Inc.2,124$86.0K
Arcadia Investment Management Corp1,851$74.7K
EntryPoint Capital, LLC926$37.3K
ORG Partners LLC784$30.9K
Newbridge Financial Services Group, Inc.630$25.4K
GPS Wealth Strategies Group, LLC319$12.9K
Cullen/Frost Bankers, Inc.135$5.44K
Zions Bancorporation, N.A.93$3.75K
Twin Tree Management, LP90$3.63K
Innealta Capital, LLC48$1.93K
Valley National Advisers Inc25$1.00K

Not filed for Q3 2024 yet (3)

Institutions that held Tandem Diabetes Care Inc at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding TNDM in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.11,122,903$448.1M
Susquehanna Fundamental Investments, LLC77,833$3.14M
Benjamin F. Edwards & Company, Inc.201$8.00K