Free Trial
→ Trump’s betrayal exposed (From Porter & Company) (Ad) Buy TNDM Stock  Free TNDM Stock Alerts

Tandem Diabetes Care (TNDM) Institutional Ownership

Tandem Diabetes Care logo
$17.71 +0.68 (+3.99%)
Closing price 04/15/2025 04:00 PM Eastern
Extended Trading
$17.14 -0.57 (-3.22%)
As of 06:04 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Tandem Diabetes Care (NASDAQ:TNDM)

Number of
Institutional Buyers
(last 12 months)
196
Total
Institutional Inflows
(last 12 months)
$652.45M
Number of
Institutional Sellers
(last 12 months)
106
Total
Institutional Outflows
(last 12 months)
$753.52M
Get TNDM Insider Trade Alerts

Want to know when executives and insiders are buying or selling Tandem Diabetes Care stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

TNDM Institutional Buying and Selling by Quarter

Remove Ads

Tandem Diabetes Care Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
4/15/2025SG 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%
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%
Could this be the start of AI’s Second Wind? (Ad)

We're living in unprecedented times. Most people think it's too late to get into AI right now … That the biggest profits are already off the table.

If you have any kind of money in the stock market … Click here to learn more — before it's too late
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%
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%
2/13/2025Quadrant Capital Group LLC5,800$209K0.0%-16.5%0.009%
2/13/2025Russell Investments Group Ltd.290,228$10.45M0.0%+36.5%0.442%
Could this be the start of AI’s Second Wind? (Ad)

We're living in unprecedented times. Most people think it's too late to get into AI right now … That the biggest profits are already off the table.

If you have any kind of money in the stock market … Click here to learn more — before it's too late
2/13/2025Envestnet Asset Management Inc.254,063$9.15M0.0%-4.4%0.387%
2/13/2025Wells Fargo & Company MN61,255$2.21M0.0%+35.8%0.093%
2/13/2025Integrated Quantitative Investments LLC31,900$1.15M0.6%N/A0.049%
2/12/2025Landscape Capital Management L.L.C.19,635$707K0.1%+44.9%0.030%
2/12/2025ExodusPoint Capital Management LP254,057$9.15M0.1%+331.6%0.387%
2/12/2025Trexquant Investment LP211,206$7.61M0.1%+53.8%0.322%
2/12/2025Geode Capital Management LLC1,533,828$55.26M0.0%+0.5%2.335%
2/12/2025B. Metzler seel. Sohn & Co. AG21,870$788K0.0%N/A0.033%
2/12/2025Alliancebernstein L.P.93,807$3.38M0.0%-30.2%0.143%
2/12/2025Orion Portfolio Solutions LLC30,074$1.08M0.0%-10.7%0.046%
(Data available from 1/1/2016 forward)

Remove Ads

TNDM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of TNDM shares?

During the previous two years, 296 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 245 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 30,014,644 shares in the last 24 months. This purchase volume represents approximately $972.43M in transactions.

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

Of the 141 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 Brown Capital Management LLC ($1.58M).

How much institutional selling is happening at Tandem Diabetes Care?

Institutional investors have sold a total of 31,479,937 shares in the last 24 months. This volume of shares sold represents approximately $1.08B in transactions.


Related Companies

This page (NASDAQ:TNDM) was last updated on 4/16/2025 by MarketBeat.com Staff
From Our Partners
Two Unmistakable Patterns Return…
The signs suggest we're entering one of those rare periods now. That's why Central Banks are buying gold at...
Golden Portfolio | Sponsored
Crypto’s crashing…but we’re still profiting
Most traders are panicking right now. Bitcoin’s dropping. Altcoins are bleeding. The stock market’s a mess....
Crypto Swap Profits | Sponsored
Radical shift coming to the stock market (read this ASAP)
This is an urgent warning for all American investors … In a matter of days, we could see a radical shift in...
Weiss Ratings | Sponsored
First look: The $3,500 iPhone
Did you hear that just before Trump's tariffs took effect, Apple sent five cargo planes packed with MacBooks a...
Stansberry Research | Sponsored
Tariffs. Volatility. Fear. Here’s the Plan.
Wall Street's panicking over tariffs. Volatility's back with a vengeance. If you've been glued to the he...
Investors Alley | Sponsored
Musk’s AI Masterplan – Our #1 AI Stock to Buy Now
Did Elon Musk just set the stage for the next AI stock explosion? One 30-year Wall Street veteran thinks so...
Behind the Markets | Sponsored
Warning: “DOGE Collapse” imminent
Elon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. Just this week...
Altimetry | Sponsored
Musk's panic move: What the world's richest man fears is coming
Whether you have modest savings of $10,000 or substantial wealth of $10 million, this information could determ...
InvestorPlace | Sponsored