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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.

13F holders, Q2 2024

Institutional positions in Tandem Diabetes Care Inc as of Jun 30, 2024. 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
317
+29 vs. Q1 2024
Shares held
73.6M
−425.3K (−0.6%) vs. Q1 2024
Total value
$2.96B
+$343.5M (+13.1%) vs. Q1 2024
New holders
64
124 more added
Sold out
35
91 more reduced

3 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 317 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 2024: $2.96B
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 2024

Shares, value and share of portfolio for each institution holding Tandem Diabetes Care Inc; share changes are against Q1 2024.

Institutions holding TNDM in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Proequities, Inc.1$400.00%00.0%Unchanged
Larson Financial Group LLC7$2820.00%+7New
Abound Wealth Management7$2830.00%−3−30.0%Reduced
Ronald Blue Trust, Inc.9$3190.00%+9New
Bruce G. Allen Investments, LLC8$3220.00%00.0%Unchanged
Rothschild Investment LLC10$4030.00%+10New
CVA Family Office, LLC11$4430.00%+11New
SRS Capital Advisors, Inc.16$6450.00%+16New
Central Trust Co20$8060.00%00.0%Unchanged
Tidemark, LLC20$8060.00%00.0%Unchanged
Capital Advisors, Ltd. LLC13$1.00K0.00%00.0%Unchanged
Valley National Advisers Inc25$1.00K0.00%+25New
Johnson Financial Group, Inc.26$1.05K0.00%+26New
Huntington National Bank30$1.21K0.00%+11+57.9%Added
Sachetta, LLC35$1.27K0.00%00.0%Unchanged
Venturi Wealth Management, LLC34$1.37K0.00%+34New
Bell Investment Advisors, Inc36$1.45K0.00%00.0%Unchanged
Innealta Capital, LLC48$1.93K0.00%+48New
Farmers & Merchants Investments Inc50$2.02K0.00%00.0%Unchanged
Parkside Financial Bank & Trust60$2.42K0.00%00.0%Unchanged
Massmutual Trust Co FSB68$2.74K0.00%00.0%Unchanged
Cohen & Steers, Inc.67$3.00K0.00%+67New
CarsonAllaria Wealth Management, Ltd.75$3.02K0.00%00.0%Unchanged
Twin Tree Management, LP90$3.63K0.00%+90New
Zions Bancorporation, N.A.93$3.75K0.00%+8+9.4%Added
Allworth Financial LP86$3.75K0.00%+4+4.9%Added
IFP Advisors, Inc96$3.87K0.00%00.0%Unchanged
Whittier Trust Co115$4.63K0.00%+115New
Cullen/Frost Bankers, Inc.135$5.44K0.00%+135New
Mather Group, LLC.170$6.02K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec150$6.04K0.00%00.0%Unchanged
Umb Bank N A155$6.25K0.00%+43+38.4%Added
GWM Advisors LLC158$6.37K0.00%00.0%Unchanged
International Assets Investment Management, LLC165$6.65K0.00%+165New
Benjamin F. Edwards & Company, Inc.201$8.00K0.00%+141+235.0%Added
Harbour Investments, Inc.204$8.22K0.00%+4+2.0%Added
EverSource Wealth Advisors, LLC255$9.43K0.00%+12+4.9%Added
Principal Securities, Inc.281$11.3K0.00%−5−1.7%Reduced
Front Row Advisors LLC288$11.6K0.00%−27−8.6%Reduced
CIBC Private Wealth Group, LLC277$11.7K0.00%−63−18.5%Reduced
Banque Cantonale Vaudoise303$12.0K0.00%00.0%Unchanged
Covestor Ltd289$12.0K0.01%−2−0.7%Reduced
Private Trust Co NA309$12.4K0.00%+174+128.9%Added
Jones Financial Companies LLLP315$12.7K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC319$12.9K0.00%00.0%Unchanged
Toth Financial Advisory Corp325$13.1K0.00%00.0%Unchanged
Quent Capital, LLC346$13.9K0.00%00.0%Unchanged
Versant Capital Management, Inc377$15.2K0.00%00.0%Unchanged
Fifth Third Bancorp429$17.3K0.00%+29+7.2%Added
NBC Securities, Inc.456$18.0K0.00%+46+11.2%Added
Northwestern Mutual Wealth Management Co577$23.2K0.00%−1,065−64.9%Reduced
First Horizon Advisors, Inc.618$24.9K0.00%+74+13.6%Added
Newbridge Financial Services Group, Inc.630$25.4K0.01%−475−43.0%Reduced
Smartleaf Asset Management LLC648$26.2K0.00%+644+16,100.0%Added
Lindbrook Capital, LLC673$27.1K0.00%+393+140.4%Added
Global Retirement Partners, LLC690$27.8K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC712$28.7K0.01%+100+16.3%Added
ORG Partners LLC784$30.9K0.00%+784New
CWM, LLC789$32.0K0.00%−11−1.4%Reduced
STRS Ohio900$36.3K0.00%+900New
EntryPoint Capital, LLC926$37.3K0.02%+926New
Salem Investment Counselors Inc1,000$40.3K0.00%00.0%Unchanged
MCF Advisors LLC1,006$40.5K0.00%00.0%Unchanged
Leonteq Securities AG1,122$45.2K0.01%+1,122New
Parallel Advisors, LLC1,307$52.7K0.00%+111+9.3%Added
State of Wyoming1,361$54.8K0.01%+611+81.5%Added
AdvisorNet Financial, Inc1,500$60.4K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)1,536$61.9K0.00%+874+132.0%Added
Group One Trading, L.P.1,665$67.1K0.00%+1,665New
Arcadia Investment Management Corp1,851$74.7K0.01%00.0%Unchanged
Headlands Technologies LLC2,060$83.0K0.01%+1,079+110.0%Added
Daiwa Securities Group Inc.2,124$86.0K0.00%+2,124New
Signaturefd, LLC2,307$92.9K0.00%+522+29.2%Added
nVerses Capital, LLC3,200$128.9K0.08%+2,300+255.6%Added
Creative Financial Designs Inc3,531$142.3K0.01%00.0%Unchanged
Van Eck Associates Corp4,151$167.0K0.00%−1,947−31.9%Reduced
Farther Finance Advisors, LLC4,241$167.3K0.01%+27+0.6%Added
GAMMA Investing LLC4,276$172.3K0.02%+431+11.2%Added
HighPoint Advisor Group LLC5,672$206.0K0.01%+49+0.9%Added
Roundview Capital LLC5,344$215.3K0.02%+5,344New
Resources Investment Advisors, LLC.5,409$217.9K0.00%+5,409New
Coldstream Capital Management Inc5,450$219.6K0.01%+5,450New
Stonebridge Capital Advisors LLC5,500$221.6K0.02%+5,500New
Oppenheimer & Co Inc5,576$224.7K0.00%−2,823−33.6%Reduced
Tarbox Family Office, Inc.5,601$225.7K0.04%+5,601New
Pathstone Holdings, LLC5,838$235.2K0.00%+5,838New
Quest Partners LLC5,892$237.4K0.03%+5,234+795.4%Added
Wedbush Securities Inc5,902$238.0K0.01%+5,902New
Nisa Investment Advisors, LLC5,936$239.2K0.00%+1,486+33.4%Added
Nebula Research & Development LLC5,980$240.9K0.04%+5,980New
Avantax Advisory Services, Inc.6,001$241.8K0.00%+6,001New
HSBC Holdings PLC6,027$242.9K0.00%−59−1.0%Reduced
Aigen Investment Management, LP6,255$252.0K0.05%+6,255New
Ameritas Investment Partners, Inc.6,345$255.6K0.01%+6,345New
Omers Administration Corp6,400$257.9K0.00%+6,400New
Meeder Asset Management Inc6,674$268.9K0.02%+6,674New
Regions Financial Corp6,683$269.3K0.00%+10.0%Added
Versor Investments LP6,800$274.0K0.05%+6,800New
Evergreen Capital Management LLC6,936$279.5K0.01%+758+12.3%Added
Advisory Services Network, LLC6,950$280.0K0.01%−10−0.1%Reduced