TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM)

CUSIP: 875372203

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
68,947,349
Total 13F shares
80,970,548
Share change
+8,086,200
Total reported value
$1,506,919,626
Put/Call ratio
4.7%
Price per share
$18.64
Number of holders
269
Value change
+$146,515,993
Number of buys
155
Number of sells
109

Quarterly Holders Quick Answers

What is CUSIP 875372203?
CUSIP 875372203 identifies TNDM - TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share in SEC institutional holdings data.

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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
11,028,712
$211,310,121 31 Mar 2025
VANGUARD GROUP INC
13F
Company
11%
7,292,169
$139,717,957 31 Mar 2025
13F
Sessa Capital IM, L.P.
13F
Company
6.5%
4,466,307
$85,574,442 31 Mar 2025
13F
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%
2,863,987
$54,874,000 31 Mar 2025
13F
ArrowMark Colorado Holdings LLC
13F
Company
3.9%
2,716,332
$52,044,921 31 Mar 2025
13F
STATE STREET CORP
13F
Company
3.9%
2,687,739
$51,497,079 31 Mar 2025
13F
Hood River Capital Management LLC
13F
Company
3.4%
2,312,044
$44,298,763 31 Mar 2025
13F
Stephens Investment Management Group LLC
13F
Company
2.5%
1,706,915
$32,704,491 31 Mar 2025
13F
Paradice Investment Management LLC
13F
Company
2.4%
1,649,907
$31,612,218 31 Mar 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.3%
1,557,210
$29,842,807 31 Mar 2025
13F
JENNISON ASSOCIATES LLC
13F
Company
2.1%
1,477,108
$28,301,389 31 Mar 2025
13F
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
Company
2.1%
1,471,569
$28,195,262 31 Mar 2025
13F
FRED ALGER MANAGEMENT, LLC
13F
Company
2.1%
1,454,239
$27,863,220 31 Mar 2025
13F
FMR LLC
13F
Company
2.1%
1,437,076
$27,534,378 31 Mar 2025
13F
Champlain Investment Partners, LLC
13F
Company
2%
1,368,888
$26,227,894 31 Mar 2025
13F
Park West Asset Management LLC
13F
Company
1.6%
1,123,052
$21,517,676 31 Mar 2025
13F
MORGAN STANLEY
13F
Company
1.4%
930,969
$17,837,371 31 Mar 2025
13F
BROWN ADVISORY INC
13F
Company
1.3%
925,310
$17,728,940 31 Mar 2025
13F
UBS Group AG
13F
Company
1.2%
835,692
$16,011,859 31 Mar 2025
13F
BALYASNY ASSET MANAGEMENT L.P.
13F
Company
1.1%
769,743
$14,748,276 31 Mar 2025
13F
Capital World Investors
13F
Company
1.1%
767,000
$14,695,720 31 Mar 2025
13F
BAILLIE GIFFORD & CO
13F
Company
1.1%
732,574
$14,036,118 31 Mar 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1%
712,559
$13,652,630 31 Mar 2025
13F
NORTHERN TRUST CORP
13F
Company
1%
689,534
$13,211,471 31 Mar 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
0.99%
679,583
$13,020,810 31 Mar 2025
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.94%
644,988
$12,357,970 31 Mar 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
0.93%
641,442
$12,290,029 31 Mar 2025
13F
BROWN CAPITAL MANAGEMENT LLC
13F
Company
0.86%
591,014
$11,323,828 31 Mar 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.83%
570,150
$10,924,074 31 Mar 2025
13F
BARCLAYS PLC
13F
Company
0.75%
514,006
$9,848,356 31 Mar 2025
13F
Soleus Capital Management, L.P.
13F
Company
0.72%
496,039
$9,504,107 31 Mar 2025
13F
KINGDON CAPITAL MANAGEMENT, L.L.C.
13F
Company
0.72%
495,229
$9,488,588 31 Mar 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.68%
466,730
$8,942,546 31 Mar 2025
13F
BNP PARIBAS FINANCIAL MARKETS
13F
Company
0.67%
459,798
$8,809,730 31 Mar 2025
13F
Bank of New York Mellon Corp
13F
Company
0.59%
407,482
$7,807,354 31 Mar 2025
13F
TUDOR INVESTMENT CORP ET AL
13F
Company
0.59%
405,292
$7,765,395 31 Mar 2025
13F
PRINCIPAL FINANCIAL GROUP INC
13F
Company
0.58%
399,450
$7,653,462 31 Mar 2025
13F
AMERIPRISE FINANCIAL INC
13F
Company
0.56%
387,887
$7,217,701 31 Mar 2025
13F
FRONTIER CAPITAL MANAGEMENT CO LLC
13F
Company
0.53%
365,176
$6,996,775 31 Mar 2025
13F
Aberdeen Group plc
13F
Company
0.52%
356,218
$6,825,137 31 Mar 2025
13F
SILVERCREST ASSET MANAGEMENT GROUP LLC
13F
Company
0.5%
346,095
$6,631,180 31 Mar 2025
13F
ENVESTNET ASSET MANAGEMENT INC
13F
Company
0.46%
318,530
$6,103,035 31 Mar 2025
13F
Nuveen, LLC
13F
Company
0.45%
308,315
$5,907,316 31 Mar 2025
13F
DAFNA Capital Management LLC
13F
Company
0.43%
294,208
$5,637,025 31 Mar 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.41%
286,127
$5,482,193 31 Mar 2025
13F
Kim D. Blickenstaff
3/4/5
Director
mixed-class rows
169,577
mixed-class rows
$5,410,602 20 Nov 2024
EDMOND DE ROTHSCHILD HOLDING S.A.
13F
Company
0.37%
252,600
$4,839,816 31 Mar 2025
13F
First Light Asset Management, LLC
13F
Company
0.36%
245,257
$4,699,124 31 Mar 2025
13F
Quantinno Capital Management LP
13F
Company
0.35%
241,831
$4,633,482 31 Mar 2025
13F

Institutional Holders of TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) as of Q2 2025

As of 30 Jun 2025, TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) was held by 269 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 80,970,548 shares. The largest 10 holders included BlackRock, Inc., VANGUARD GROUP INC, Sessa Capital IM, L.P., GW&K Investment Management, LLC, ArrowMark Colorado Holdings LLC, STATE STREET CORP, Hood River Capital Management LLC, GOLDMAN SACHS GROUP INC, Paradice Investment Management LLC, and Stephens Investment Management Group LLC. This page lists 270 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
271
Q2 2025 holders
269
Holder diff
-2
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 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.
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