Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
67,833,122
Total 13F shares
74,808,539
Share change
-452,136
Total reported value
$1,644,201,723
Put/Call ratio
10%
Price per share
$21.98
Number of holders
264
Value change
+$38,386,587
Number of buys
131
Number of sells
129

Institutional Holders of TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) as of Q4 2025

As of 31 Dec 2025, TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) was held by 264 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 74,808,539 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, Sessa Capital IM, L.P., ArrowMark Colorado Holdings LLC, GW&K Investment Management, LLC, STATE STREET CORP, CITADEL ADVISORS LLC, MORGAN STANLEY, Paradice Investment Management LLC, and JENNISON ASSOCIATES LLC. This page lists 264 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.