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Tandem Diabetes Care (TNDM) Institutional Ownership

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$19.98 +3.13 (+18.55%)
Closing price 03:59 PM Eastern
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$19.98 +0.00 (+0.02%)
As of 04:08 PM Eastern
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Institutional Ownership Changes (13F Filings) for Tandem Diabetes Care (NASDAQ:TNDM)

Number of
Institutional Buyers
(last 12 months)
194
Total
Institutional Inflows
(last 12 months)
$645.24M
Number of
Institutional Sellers
(last 12 months)
106
Total
Institutional Outflows
(last 12 months)
$775.63M
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TNDM Institutional Buying and Selling by Quarter

Tandem Diabetes Care Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
4/30/2025Cerity Partners LLC76,005$1.46M0.0%+32.2%0.114%
4/30/2025Brown Advisory Inc.925,310$17.73M0.0%+1.3%1.390%
4/29/2025 Envestnet Asset Management Inc.318,530$6.10M0.0%+25.4%0.479%
4/28/2025 Principal Financial Group Inc.399,450$7.65M0.0%+2.9%0.600%
4/28/2025 Teacher Retirement System of Texas32,465$622K0.0%+17.8%0.049%
4/25/2025 KBC Group NV193,808$3.71M0.0%+0.7%0.291%
4/24/2025 Mirae Asset Global Investments Co. Ltd.36,060$692K0.0%-88.0%0.054%
4/23/2025 Oppenheimer Asset Management Inc.72,752$1.39M0.0%+17.9%0.109%
4/21/2025 State of Alaska Department of Revenue36,391$697K0.0%-2.5%0.055%
4/21/2025 MN Wealth Advisors LLC10,623$204K0.1%-40.8%0.016%
4/17/2025 Chicago Capital LLC20,726$397K0.0%-97.9%0.031%
4/17/2025 Janney Montgomery Scott LLC38,450$737K0.0%+27.1%0.058%
4/15/2025 SG Americas Securities LLC16,353$313K0.0%+366.4%0.025%
4/15/2025 GAMMA Investing LLC2,202$42K0.0%-54.9%0.003%
4/14/2025 Park Avenue Securities LLC11,708$224K0.0%+31.3%0.018%
4/9/2025 NBC Securities Inc.1,945$37K0.0%N/A0.003%
4/7/2025 GAMMA Investing LLC42,190$808K0.0%+763.3%0.063%
2/27/2025Jefferies Financial Group Inc.9,158$330K0.0%-97.6%0.014%
2/18/2025Connective Capital Management LLC16,960$611K0.7%N/A0.026%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC177,739$6.40M0.0%+20.4%0.271%
2/17/2025Two Sigma Advisers LP881,783$31.76M0.1%-2.2%1.343%
2/17/2025Two Sigma Investments LP861,188$31.02M0.1%+4.4%1.311%
2/17/2025State of Wyoming2,996$108K0.0%+95.9%0.005%
2/17/2025Shell Asset Management Co.26,281$947K0.0%+16.9%0.040%
2/17/2025Sherbrooke Park Advisers LLC9,225$332K0.1%N/A0.014%
2/17/2025Silvercrest Asset Management Group LLC346,565$12.48M0.1%+29.2%0.528%
2/17/2025Point72 Asia Singapore Pte. Ltd.899$32K0.0%-63.6%0.001%
2/17/2025Point72 Asset Management L.P.495,311$17.84M0.0%+105.8%0.754%
2/17/2025Polar Capital Holdings Plc142,900$5.15M0.0%-7.2%0.218%
2/17/2025ProShare Advisors LLC19,789$713K0.0%+42.5%0.030%
2/17/2025Quantinno Capital Management LP51,612$1.86M0.0%+65.7%0.079%
2/17/2025Nuveen Asset Management LLC519,019$18.70M0.0%+9.9%0.790%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.72,317$2.61M0.0%-9.5%0.110%
2/17/2025Moore Capital Management LP20,998$756K0.0%N/A0.032%
2/17/2025Jacobs Levy Equity Management Inc.1,661,013$59.83M0.2%+189.0%2.529%
2/17/2025Janus Henderson Group PLC29,811$1.07M0.0%-96.7%0.045%
2/17/2025Jefferies Financial Group Inc.9,158$330K0.0%-97.6%0.014%
2/17/2025Gotham Asset Management LLC115,876$4.17M0.0%-3.7%0.176%
2/17/2025Frontier Capital Management Co. LLC272,088$9.80M0.1%+50.4%0.414%
2/17/2025Fred Alger Management LLC1,943,356$70M0.3%-1.8%2.959%
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2/17/2025Deutsche Bank AG61,771$2.23M0.0%+45.5%0.094%
2/17/2025DAFNA Capital Management LLC223,208$8.04M2.0%+9.3%0.340%
2/17/2025Divisadero Street Capital Management LP360,232$12.98M1.5%-69.8%0.548%
2/17/2025Cresset Asset Management LLC7,644$275K0.0%-75.7%0.012%
2/17/2025Cetera Investment Advisers14,185$511K0.0%+7.4%0.022%
2/17/2025Brevan Howard Capital Management LP52,841$1.90M0.0%+140.9%0.080%
2/17/2025Captrust Financial Advisors18,513$667K0.0%+82.0%0.028%
2/17/2025Brown Advisory Inc.913,087$32.89M0.0%N/A1.390%
2/17/2025Bellevue Group AG782,456$28.18M0.5%-57.7%1.191%
2/17/2025Bank of America Corp DE317,706$11.44M0.0%-28.7%0.484%
2/17/2025Beaconlight Capital LLC331,209$11.93M4.4%+53.6%0.504%
2/17/2025BNP Paribas Financial Markets24,819$894K0.0%-91.5%0.038%
2/17/2025Ameriprise Financial Inc.345,681$12.45M0.0%-60.3%0.526%
2/17/2025Algert Global LLC89,536$3.23M0.1%+141.3%0.136%
2/17/2025ArrowMark Colorado Holdings LLC2,723,715$98.11M1.3%+14.1%4.147%
2/17/20254D Advisors LLC200,000$7.20M5.0%N/A0.305%
2/14/2025Freestone Grove Partners LP181,124$6.52M0.1%N/A0.276%
2/14/2025Park West Asset Management LLC1,600,000$57.63M4.6%+49.5%2.436%
2/14/2025First Light Asset Management LLC292,117$10.52M1.0%-71.5%0.445%
2/14/2025Northern Trust Corp697,456$25.12M0.0%+9.7%1.062%
2/14/2025The Manufacturers Life Insurance Company 35,031$1.26M0.0%-0.9%0.053%
2/14/2025Tudor Investment Corp ET AL169,043$6.09M0.0%+314.8%0.257%
2/14/2025Aquatic Capital Management LLC21,246$765K0.0%-68.5%0.032%
2/14/2025Susquehanna Fundamental Investments LLC51,703$1.86M0.0%N/A0.079%
2/14/2025Gilder Gagnon Howe & Co. LLC931,894$33.57M0.4%+6.7%1.419%
2/14/2025Oberweis Asset Management Inc.506,600$18.25M0.9%+13.1%0.771%
2/14/2025Voya Investment Management LLC98,179$3.54M0.0%+231.9%0.149%
2/14/2025Hood River Capital Management LLC1,278,047$46.04M0.7%N/A1.946%
2/14/2025Price T Rowe Associates Inc. MD50,740$1.83M0.0%+12.3%0.077%
2/14/2025Hsbc Holdings PLC27,779$1.02M0.0%+109.2%0.042%
2/14/2025Stifel Financial Corp34,773$1.25M0.0%+2.1%0.053%
2/14/2025State of Tennessee Department of Treasury29,836$1.08M0.0%+4.4%0.045%
2/14/2025Tower Research Capital LLC TRC 3,902$141K0.0%+102.7%0.006%
2/14/2025MetLife Investment Management LLC39,688$1.43M0.0%+6.1%0.060%
2/14/2025Capital World Investors767,000$27.63M0.0%-76.5%1.168%
2/14/2025First Trust Advisors LP77,901$2.81M0.0%-21.4%0.119%
2/14/2025Formula Growth Ltd.125,965$4.54M1.5%-1.7%0.192%
2/14/2025Commerce Bank26,889$969K0.0%+21.3%0.041%
2/14/2025Capital International Investors718,038$25.86M0.0%+12.5%1.093%
2/13/2025Champlain Investment Partners LLC1,379,863$49.70M0.3%-6.1%2.101%
2/13/2025Canada Pension Plan Investment Board16,900$609K0.0%+838.9%0.026%
2/13/2025Marshall Wace LLP950,948$34.25M0.0%+16.9%1.448%
2/13/2025Jump Financial LLC37,710$1.36M0.0%N/A0.057%
2/13/2025Bridgewater Associates LP7,378$266K0.0%-71.2%0.011%
2/13/2025Guggenheim Capital LLC16,107$580K0.0%+40.1%0.025%
2/13/2025XTX Topco Ltd7,490$270K0.0%+43.6%0.011%
2/13/2025Mariner LLC16,881$608K0.0%-1.9%0.026%
2/13/2025Barclays PLC476,974$17.18M0.0%+106.4%0.726%
2/13/2025Summit Investment Advisors Inc.6,870$247K0.2%+8.3%0.010%
2/13/2025Next Century Growth Investors LLC201,839$7.27M0.5%-79.5%0.307%
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2/13/2025Kennedy Capital Management LLC267,355$9.63M0.2%+113.8%0.407%
2/13/2025Capital Fund Management S.A.200,277$7.21M0.0%+116.1%0.305%
2/13/2025Raymond James Financial Inc.163,614$5.89M0.0%N/A0.249%
2/13/2025Advisory Services Network LLC6,054$218K0.0%-12.9%0.009%
2/13/2025Renaissance Technologies LLC315,727$11.37M0.0%+50.0%0.481%
2/13/2025FIL Ltd201,376$7.25M0.0%+48.7%0.307%
2/13/2025Legal & General Group Plc182,655$6.58M0.0%-2.8%0.278%
2/13/2025Invesco Ltd.204,890$7.38M0.0%-35.5%0.312%
2/13/2025Bank of Montreal Can10,004$360K0.0%+4.3%0.015%
2/13/2025Cerity Partners LLC57,476$2.07M0.0%-8.5%0.088%
(Data available from 1/1/2016 forward)

TNDM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of TNDM shares?

During the previous two years, 293 institutional investors and hedge funds held shares of Tandem Diabetes Care. The most heavily invested institutionals were Vanguard Group Inc. ($267.99M), Eminence Capital LP ($152.94M), State Street Corp ($112.63M), ArrowMark Colorado Holdings LLC ($98.11M), GW&K Investment Management LLC ($76.49M), Fred Alger Management LLC ($70M), and Jacobs Levy Equity Management Inc. ($59.83M).Learn more on TNDM's institutional investors.

Which institutional investors have been buying Tandem Diabetes Care stock?

Of the 240 institutional investors that purchased Tandem Diabetes Care stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Jennison Associates LLC ($2.56M), Eminence Capital LP ($2.37M), Paradice Investment Management LLC ($1.57M), GW&K Investment Management LLC ($1.55M), Hood River Capital Management LLC ($1.28M), Chicago Capital LLC ($1.12M), and Jacobs Levy Equity Management Inc. ($1.09M).

How much institutional buying is happening at Tandem Diabetes Care?

Institutional investors have bought a total of 30,195,952 shares in the last 24 months. This purchase volume represents approximately $973.72M in transactions.

Which Tandem Diabetes Care major shareholders have been selling company stock?

Of the 140 institutional investors that sold Tandem Diabetes Care stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Capital World Investors ($5.38M), FMR LLC ($3.30M), Marshall Wace LLP ($2.60M), Champlain Investment Partners LLC ($1.92M), First Light Asset Management LLC ($1.81M), Janus Henderson Group PLC ($1.80M), and Chicago Capital LLC ($1.60M).

How much institutional selling is happening at Tandem Diabetes Care?

Institutional investors have sold a total of 32,615,066 shares in the last 24 months. This volume of shares sold represents approximately $1.10B in transactions.


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This page (NASDAQ:TNDM) was last updated on 5/1/2025 by MarketBeat.com Staff
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