$TNDM stock has now fallen 14% today, according to our price data from Polygon. There has been approximately $4,952,946 of trading volume.
Here is what we see in our data on $TNDM (you can track the company live on Quiver's $TNDM stock page):
$TNDM Insider Trading Activity
$TNDM insiders have traded $TNDM stock on the open market 1 times in the past 6 months. Of those trades, 0 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $TNDM stock by insiders over the last 6 months:
- CHRISTOPHER J TWOMEY sold 1,700 shares for an estimated $32,554
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$TNDM Hedge Fund Activity
We have seen 147 institutional investors add shares of $TNDM stock to their portfolio, and 130 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- FIRST LIGHT ASSET MANAGEMENT, LLC added 2,068,838 shares (+157.4%) to their portfolio in Q2 2026, for an estimated $31,218,765
- ARROWMARK COLORADO HOLDINGS LLC removed 1,804,023 shares (-58.1%) from their portfolio in Q2 2026, for an estimated $27,222,707
- MARSHALL WACE, LLP removed 1,442,472 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $21,766,902
- GOLDMAN SACHS GROUP INC removed 1,356,621 shares (-61.1%) from their portfolio in Q2 2026, for an estimated $20,471,410
- WOODLINE PARTNERS LP added 1,307,439 shares (+inf%) to their portfolio in Q2 2026, for an estimated $19,729,254
- TWO SIGMA INVESTMENTS, LP removed 1,305,785 shares (-70.0%) from their portfolio in Q2 2026, for an estimated $19,704,295
- BAILLIE GIFFORD & CO removed 1,145,516 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $17,285,836
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$TNDM Congressional Stock Trading
Members of Congress have traded $TNDM stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $TNDM stock by members of Congress over the last 6 months:
- REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $15,000 on 09/29.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.
$TNDM Price Targets
Multiple analysts have issued price targets for $TNDM recently. We have seen 6 analysts offer price targets for $TNDM in the last 6 months, with a median target of $26.0.
Here are some recent targets:
- Kieran Ryan from Deutsche Bank set a target price of $15.5 on 06/23/2026
- Larry Biegelsen from Wells Fargo set a target price of $27.0 on 06/01/2026
- Joanne Wuensch from Citigroup set a target price of $17.0 on 05/28/2026
- Travis Steed from B of A Securities set a target price of $25.0 on 05/18/2026
- Matt Miksic from Barclays set a target price of $55.0 on 05/11/2026
- Richard Newitter from Truist Securities set a target price of $31.0 on 05/11/2026
You can track data on $TNDM on Quiver Quantitative.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
