Skip to main content

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.

13F holders, Q2 2022

Institutional positions in Tandem Diabetes Care Inc as of Jun 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
331
−41 vs. Q1 2022
Shares held
61.4M
+2.07M (+3.5%) vs. Q1 2022
Total value
$3.64B
−$3.26B (−47.2%) vs. Q1 2022
New holders
37
150 more added
Sold out
78
110 more reduced

7 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TNDM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2022: 331 institutions
Q1 2021: 290 institutionsQ2 2021: 303 institutionsQ3 2021: 338 institutionsQ4 2021: 388 institutionsQ1 2022: 379 institutionsQ2 2022: 331 institutionsQ3 2022: 299 institutionsQ4 2022: 295 institutionsQ1 2023: 274 institutionsQ2 2023: 247 institutionsQ3 2023: 226 institutionsQ4 2023: 268 institutionsQ1 2024: 291 institutionsQ2 2024: 317 institutionsQ3 2024: 332 institutionsQ4 2024: 316 institutionsQ1 2025: 275 institutionsQ2 2025: 271 institutionsQ3 2025: 255 institutionsQ4 2025: 269 institutionsQ1 2026: 274 institutionsQ2 2026: 274 institutions
Value heldQ2 2022: $3.64B
Q1 2021: $5.08BQ2 2021: $5.75BQ3 2021: $7.32BQ4 2021: $9.09BQ1 2022: $6.92BQ2 2022: $3.64BQ3 2022: $3.00BQ4 2022: $2.89BQ1 2023: $2.77BQ2 2023: $1.65BQ3 2023: $1.45BQ4 2023: $2.10BQ1 2024: $2.63BQ2 2024: $2.96BQ3 2024: $3.10BQ4 2024: $2.60BQ1 2025: $1.40BQ2 2025: $1.51BQ3 2025: $911.3MQ4 2025: $1.65BQ1 2026: $1.51BQ2 2026: $1.19B
Institutions holding TNDM and their total value by quarter
QuarterHoldersValue
Q2 2026274$1.19B
Q1 2026274$1.51B
Q4 2025269$1.65B
Q3 2025255$911.3M
Q2 2025271$1.51B
Q1 2025275$1.40B
Q4 2024316$2.60B
Q3 2024332$3.10B
Q2 2024317$2.96B
Q1 2024291$2.63B
Q4 2023268$2.10B
Q3 2023226$1.45B
Q2 2023247$1.65B
Q1 2023274$2.77B
Q4 2022295$2.89B
Q3 2022299$3.00B
Q2 2022331$3.64B
Q1 2022379$6.92B
Q4 2021388$9.09B
Q3 2021338$7.32B
Q2 2021303$5.75B
Q1 2021290$5.08B

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q1 2022.

Institutions holding TNDM in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Cutler Group LP6$00.00%−1,445−99.6%Reduced
Huntington National Bank11$00.00%00.0%Unchanged
Sterling Investment Advisors, Ltd.7$00.00%00.0%Unchanged
Capital Advisors, Ltd. LLC3$00.00%+1+50.0%Added
USA Financial Portformulas Corp2$00.00%00.0%Unchanged
Steward Financial Group LLC2$00.00%+2New
Neo Ivy Capital Management24$1.00K0.00%−2,256−98.9%Reduced
Montag A & Associates Inc20$1.00K0.00%−35−63.6%Reduced
Money Concepts Capital Corp10$1.00K0.00%−30−75.0%Reduced
Elequin Capital LP9$1.00K0.00%−15−62.5%Reduced
Loomis Sayles & Co L P18$1.00K0.00%−3−14.3%Reduced
Sandy Spring Bank15$1.00K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC20$1.00K0.00%00.0%Unchanged
Evermay Wealth Management LLC9$1.00K0.00%00.0%Unchanged
Allworth Financial LP12$1.00K0.00%+5+71.4%Added
Crewe Advisors LLC18$1.00K0.00%+18New
Prestige Wealth Management Group LLC23$1.00K0.00%+23New
Bell Investment Advisors, Inc21$1.00K0.00%+21New
TCI Wealth Advisors, Inc.37$2.00K0.00%−143−79.4%Reduced
Focused Wealth Management, Inc40$2.00K0.00%00.0%Unchanged
Bessemer Group Inc35$2.00K0.00%00.0%Unchanged
Cambridge Trust Co32$2.00K0.00%00.0%Unchanged
Quent Capital, LLC34$2.00K0.00%00.0%Unchanged
Wagner Wealth Management, LLC35$2.00K0.00%+35New
Parkside Financial Bank & Trust47$3.00K0.00%−23−32.9%Reduced
Massmutual Trust Co FSB58$3.00K0.00%+52+866.7%Added
Lindbrook Capital, LLC49$3.00K0.00%+41+512.5%Added
First Horizon Advisors, Inc.88$5.00K0.00%−24−21.4%Reduced
Meeder Asset Management Inc83$5.00K0.00%+33+66.0%Added
Ellevest, Inc.89$5.00K0.00%+50+128.2%Added
Ci Investments Inc.98$6.00K0.00%−222−69.4%Reduced
Stonebridge Capital Advisors LLC100$6.00K0.00%00.0%Unchanged
Front Row Advisors LLC100$6.00K0.00%00.0%Unchanged
Charter Oak Capital Management, LLC100$6.00K0.00%00.0%Unchanged
Ancora Advisors, LLC94$6.00K0.00%00.0%Unchanged
AdvisorNet Financial, Inc108$6.00K0.00%+108New
Byrne Asset Management LLC125$7.00K0.01%−100−44.4%Reduced
Ellis Investment Partners, LLC130$7.00K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.131$7.00K0.00%+29+28.4%Added
Umb Bank N A115$7.00K0.00%+31+36.9%Added
FinTrust Capital Advisors, LLC130$8.00K0.00%−625−82.8%Reduced
Nisa Investment Advisors, LLC150$9.00K0.00%00.0%Unchanged
IFP Advisors, Inc398$11.0K0.00%−403−50.3%Reduced
Glassman Wealth Services189$11.0K0.00%+173+1,081.3%Added
FourThought Financial, LLC204$12.0K0.00%00.0%Unchanged
Toth Financial Advisory Corp225$13.0K0.00%−100−30.8%Reduced
Patriot Financial Group Insurance Agency, LLC212$13.0K0.00%+52+32.5%Added
Riverview Trust Co216$13.0K0.01%+78+56.5%Added
Parallel Advisors, LLC228$13.0K0.00%+159+230.4%Added
American Portfolios Advisors227$13.4K0.00%−56−19.8%Reduced
Kistler-Tiffany Companies, LLC245$15.0K0.00%00.0%Unchanged
Proequities, Inc.264$16.0K0.00%+264New
Signaturefd, LLC301$18.0K0.00%+242+410.2%Added
Steward Partners Investment Advisory, LLC319$19.0K0.00%−1−0.3%Reduced
Harbour Investments, Inc.316$19.0K0.00%+316New
Acadian Asset Management LLC373$22.0K0.00%+373New
State of Wyoming416$25.0K0.02%+416New
Fifth Third Bancorp440$26.0K0.00%+344+358.3%Added
Quadrant Capital Group LLC517$31.0K0.00%+367+244.7%Added
Edmond de Rothschild Holding S.A.578$34.0K0.00%−207−26.4%Reduced
Newbridge Financial Services Group, Inc.751$44.0K0.03%00.0%Unchanged
Banque Cantonale Vaudoise863$51.0K0.00%−643−42.7%Reduced
Global Retirement Partners, LLC899$53.0K0.00%+11+1.2%Added
National Bank of Canada905$54.0K0.00%−236−20.7%Reduced
Covestor Ltd953$56.0K0.05%+2+0.2%Added
Salem Investment Counselors Inc1,000$59.0K0.00%00.0%Unchanged
CoreCap Advisors, LLC1,032$61.0K0.00%+1,032New
GPS Wealth Strategies Group, LLC1,045$62.0K0.02%−99−8.7%Reduced
CWM, LLC1,041$62.0K0.00%+488+88.2%Added
SeaCrest Wealth Management, LLC1,125$67.0K0.01%+1,125New
Stephens Inc1,281$76.0K0.00%+350+37.6%Added
Northwestern Mutual Wealth Management Co1,809$107.0K0.00%−1,393−43.5%Reduced
Lazard Asset Management LLC2,393$141.0K0.00%−223−8.5%Reduced
Leonteq Securities AG2,469$146.1K0.01%+1,179+91.4%Added
SG Americas Securities, LLC2,623$155.0K0.00%−45,104−94.5%Reduced
Shell Asset Management Co2,806$166.0K0.00%+4+0.1%Added
Aquatic Capital Management LLC3,000$178.0K0.06%+3,000New
Captrust Financial Advisors3,251$192.0K0.00%−2,233−40.7%Reduced
Bluestein R H & Co3,513$208.0K0.01%00.0%Unchanged
Wolverine Trading, LLC3,478$209.0K0.01%−3,959−53.2%Reduced
Sciencast Management LP3,276$218.0K0.05%+3,276New
MML Investors Services, LLC3,944$233.0K0.00%+1,276+47.8%Added
First Manhattan Co4,000$236.0K0.00%00.0%Unchanged
WealthTrust Axiom LLC4,000$236.0K0.08%00.0%Unchanged
Fox Run Management, L.L.C.4,151$246.0K0.12%+4,151New
Creative Planning4,185$248.0K0.00%+772+22.6%Added
Echo Street Capital Management LLC4,202$249.0K0.00%−3,951−48.5%Reduced
Blueshift Asset Management, LLC4,253$252.0K0.04%+4,253New
Level Four Advisory Services, LLC4,267$253.0K0.02%−2,891−40.4%Reduced
Consonance Capital Management LP4,294$254.0K1.07%−143,033−97.1%Reduced
HighTower Advisors, LLC4,308$255.0K0.00%−3,479−44.7%Reduced
Bailard, Inc.4,373$259.0K0.01%+2,653+154.2%Added
Boothbay Fund Management, LLC4,416$261.0K0.01%+4,416New
Tocqueville Asset Management L.P.4,500$266.0K0.00%−100−2.2%Reduced
Prudential Financial Inc4,423$266.0K0.00%−149−3.3%Reduced
ProShare Advisors LLC4,560$270.0K0.00%−1,765−27.9%Reduced
Partners Group Holding AG4,647$275.0K0.02%−2,684−36.6%Reduced
Maryland State Retirement & Pension System4,800$284.0K0.01%00.0%Unchanged
Exchange Traded Concepts, LLC5,138$304.0K0.01%+116+2.3%Added
Gsa Capital Partners LLP5,261$311.0K0.05%+1,244+31.0%Added