Security key
875372203
TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM)
CUSIP: 875372203
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Shares outstanding
- 68,947,349
- Total 13F shares
- 75,062,169
- Share change
- -5,757,507
- Total reported value
- $911,087,579
- Put/Call ratio
- 13%
- Price per share
- $12.14
- Number of holders
- 251
- Value change
- -$138,652,756
- Number of buys
- 114
- Number of sells
- 153
Report period
Q3 2025
Institutions
251
Top holders
10
TNDM full security history
Newer quarter: Q4 2025
Previous quarter: Q2 2025
TANDEM DIABETES CARE INC SEC filings
TANDEM DIABETES CARE INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 875372203
Recent filing periods:
Top shareholders of TNDM - TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
15%
from 13D/G
|
10,871,558
|
$202,645,836 | — | 30 Jun 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
11%
|
7,369,830
|
$137,373,631 | — | 30 Jun 2025 | |
| Sessa Capital IM, L.P. |
13F
|
Company |
7.3%
|
5,000,000
|
$93,200,000 | — | 30 Jun 2025 | |
| Sessa Capital (Master), L.P. |
13D/G
|
— |
6.7%
|
4,466,307
|
$78,026,383 | $0 | 31 Mar 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
4.2%
|
2,890,130
|
$53,872,000 | — | 30 Jun 2025 | |
| ArrowMark Colorado Holdings LLC |
13F
|
Company |
3.9%
|
2,699,549
|
$50,319,593 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.8%
|
2,645,889
|
$49,319,371 | — | 30 Jun 2025 | |
| Hood River Capital Management LLC |
13F
|
Company |
3.7%
|
2,564,978
|
$47,811,190 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
2.7%
|
1,886,475
|
$35,163,903 | — | 30 Jun 2025 | |
| Paradice Investment Management LLC |
13F
|
Company |
2.6%
|
1,767,179
|
$32,940,217 | — | 30 Jun 2025 | |
| Stephens Investment Management Group LLC |
13F
|
Company |
2.5%
|
1,737,769
|
$32,392,014 | — | 30 Jun 2025 | |
| JENNISON ASSOCIATES LLC |
13F
|
Company |
2.4%
|
1,658,942
|
$30,922,679 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
1,606,336
|
$29,946,156 | — | 30 Jun 2025 | |
| Champlain Investment Partners, LLC |
13F
|
Company |
2.1%
|
1,455,123
|
$27,123,493 | — | 30 Jun 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
2.1%
|
1,431,307
|
$26,679,562 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
2%
|
1,383,944
|
$25,796,717 | — | 30 Jun 2025 | |
| Ophir Asset Management Pty Ltd |
13F
|
Company |
2.1%
|
1,464,956
|
$24,420,817 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.8%
|
1,265,534
|
$23,589,577 | — | 30 Jun 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.8%
|
1,232,727
|
$22,978,031 | — | 30 Jun 2025 | |
| BAILLIE GIFFORD & CO |
13F
|
Company |
1.6%
|
1,125,728
|
$20,983,570 | — | 30 Jun 2025 | |
| BROWN ADVISORY INC |
13F
|
Company |
1.5%
|
1,057,115
|
$19,704,629 | — | 30 Jun 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.4%
|
969,073
|
$18,063,521 | — | 30 Jun 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
1.3%
|
888,083
|
$16,553,867 | — | 30 Jun 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
1.1%
|
784,218
|
$14,617,824 | — | 30 Jun 2025 | |
| Capital World Investors |
13F
|
Company |
1.1%
|
767,000
|
$14,296,880 | — | 30 Jun 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1%
|
700,381
|
$13,055,102 | — | 30 Jun 2025 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
0.97%
|
667,345
|
$12,439,310 | — | 30 Jun 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.91%
|
628,497
|
$11,715,185 | — | 30 Jun 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.89%
|
617,000
|
$11,500,880 | — | 30 Jun 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.82%
|
567,223
|
$10,573,037 | — | 30 Jun 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.82%
|
567,072
|
$10,570,221 | — | 30 Jun 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.82%
|
562,254
|
$10,480,414 | — | 30 Jun 2025 | |
| BROWN CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.8%
|
551,207
|
$10,274,498 | — | 30 Jun 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.8%
|
549,542
|
$10,244,000 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.79%
|
545,504
|
$10,168,194 | — | 30 Jun 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.77%
|
530,914
|
$9,896,000 | — | 30 Jun 2025 | |
| FMR LLC |
13F
|
Company |
0.76%
|
524,675
|
$9,779,952 | — | 30 Jun 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.61%
|
419,037
|
$7,809,713 | — | 30 Jun 2025 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
0.61%
|
417,308
|
$7,779,000 | — | 30 Jun 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.56%
|
382,804
|
$7,702,915 | — | 30 Jun 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.58%
|
399,003
|
$7,437,422 | — | 30 Jun 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.57%
|
395,226
|
$7,367,014 | — | 30 Jun 2025 | |
| Trexquant Investment LP |
13F
|
Company |
0.53%
|
368,530
|
$6,869,399 | — | 30 Jun 2025 | |
| FRONTIER CAPITAL MANAGEMENT CO LLC |
13F
|
Company |
0.53%
|
364,098
|
$6,786,790 | — | 30 Jun 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.52%
|
361,878
|
$6,745,406 | — | 30 Jun 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.52%
|
358,516
|
$6,676,000 | — | 30 Jun 2025 | |
| Aberdeen Group plc |
13F
|
Company |
0.52%
|
356,218
|
$6,639,904 | — | 30 Jun 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.51%
|
352,959
|
$6,579,156 | — | 30 Jun 2025 | |
| SILVERCREST ASSET MANAGEMENT GROUP LLC |
13F
|
Company |
0.5%
|
346,160
|
$6,452,422 | — | 30 Jun 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.5%
|
342,327
|
$6,380,975 | — | 30 Jun 2025 |
Institutional Holders of TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) as of Q3 2025
As of 30 Sep 2025,
TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) was held by
251 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
75,062,169 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, Hood River Capital Management LLC, Paradice Investment Management LLC, Freestone Grove Partners LP, and GEODE CAPITAL MANAGEMENT, LLC.
This page lists
252
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
269
Q3 2025 holders
251
Holder diff
-18
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.