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

CUSIP: 875372203

Q1 2025 13F Holders as of 31 Mar 2025

Type / Class
Equity / Common Stock, par value $0.001 per share
Shares outstanding
68,947,349
Total 13F shares
73,028,420
Share change
+701,791
Total reported value
$1,399,471,204
Put/Call ratio
5.1%
Price per share
$19.16
Number of holders
271
Value change
-$74,262,859
Number of buys
141
Number of sells
160

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
11,697,824
$421,355,629 31 Dec 2024
VANGUARD GROUP INC
13F
Company
11%
7,440,005
$267,988,980 31 Dec 2024
13F
STATE STREET CORP
13F
Company
4%
2,765,137
$99,600,235 31 Dec 2024
13F
ArrowMark Colorado Holdings LLC
13F
Company
4%
2,723,715
$98,108,214 31 Dec 2024
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
3.1%
2,123,488
$76,488,000 31 Dec 2024
13F
FRED ALGER MANAGEMENT, LLC
13F
Company
2.8%
1,943,356
$69,999,683 31 Dec 2024
13F
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
Company
2.4%
1,661,013
$59,829,688 31 Dec 2024
13F
Park West Asset Management LLC
13F
Company
2.3%
1,600,000
$57,632,000 31 Dec 2024
13F
Stephens Investment Management Group LLC
13F
Company
2.3%
1,555,809
$56,040,240 31 Dec 2024
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.2%
1,533,828
$55,261,121 31 Dec 2024
13F
JENNISON ASSOCIATES LLC
13F
Company
2.1%
1,466,355
$52,818,108 31 Dec 2024
13F
Champlain Investment Partners, LLC
13F
Company
2%
1,379,863
$49,702,665 31 Dec 2024
13F
Hood River Capital Management LLC
13F
Company
1.9%
1,278,047
$46,035,253 31 Dec 2024
13F
FMR LLC
13F
Company
1.6%
1,086,842
$39,148,051 31 Dec 2024
13F
Chicago Capital, LLC
13F
Company
1.4%
970,607
$34,961,275 31 Dec 2024
13F
Paradice Investment Management LLC
13F
Company
1.4%
956,407
$34,449,780 31 Dec 2024
13F
MARSHALL WACE, LLP
13F
Company
1.4%
950,948
$34,253,147 31 Dec 2024
13F
GILDER GAGNON HOWE & CO LLC
13F
Company
1.4%
931,894
$33,566,822 31 Dec 2024
13F
BROWN ADVISORY INC
13F
Company
1.3%
913,087
$32,889,394 31 Dec 2024
13F
TWO SIGMA ADVISERS, LP
13F
Company
1.3%
881,783
$31,761,824 31 Dec 2024
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
1.2%
861,188
$31,019,992 31 Dec 2024
13F
MORGAN STANLEY
13F
Company
1.2%
847,109
$30,512,886 31 Dec 2024
13F
KINGDON CAPITAL MANAGEMENT, L.L.C.
13F
Company
1.1%
790,547
$28,475,503 31 Dec 2024
13F
Bellevue Group AG
13F
Company
1.1%
782,456
$28,184,065 31 Dec 2024
13F
Capital World Investors
13F
Company
1.1%
767,000
$27,627,340 31 Dec 2024
13F
BAILLIE GIFFORD & CO
13F
Company
1.1%
746,109
$26,874,845 31 Dec 2024
13F
Capital International Investors
13F
Company
1%
718,038
$25,863,729 31 Dec 2024
13F
NORTHERN TRUST CORP
13F
Company
1%
697,456
$25,122,364 31 Dec 2024
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.98%
678,490
$24,439,210 31 Dec 2024
13F
BROWN CAPITAL MANAGEMENT LLC
13F
Company
0.93%
642,020
$23,125,560 31 Dec 2024
13F
UBS Group AG
13F
Company
0.91%
626,350
$22,561,128 31 Dec 2024
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.87%
602,321
$21,695,602 31 Dec 2024
13F
VICTORY CAPITAL MANAGEMENT INC
13F
Company
0.82%
565,233
$20,359,692 31 Dec 2024
13F
Nuveen Asset Management, LLC
13F
Company
0.75%
519,019
$18,695,064 31 Dec 2024
13F
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
0.75%
515,062
$18,552,533 31 Dec 2024
13F
OBERWEIS ASSET MANAGEMENT INC/
13F
Company
0.73%
506,600
$18,247,732 31 Dec 2024
13F
Point72 Asset Management, L.P.
13F
Company
0.72%
495,311
$17,841,103 31 Dec 2024
13F
BARCLAYS PLC
13F
Company
0.69%
476,974
$17,180,603 31 Dec 2024
13F
Bank of New York Mellon Corp
13F
Company
0.63%
436,692
$15,729,661 31 Dec 2024
13F
JPMORGAN CHASE & CO
13F
Company
0.57%
392,586
$14,140,949 31 Dec 2024
13F
PRINCIPAL FINANCIAL GROUP INC
13F
Company
0.56%
388,347
$13,988,259 31 Dec 2024
13F
Divisadero Street Capital Management, LP
13F
Company
0.52%
360,232
$12,975,557 31 Dec 2024
13F
SILVERCREST ASSET MANAGEMENT GROUP LLC
13F
Company
0.5%
346,565
$12,483,271 31 Dec 2024
13F
AMERIPRISE FINANCIAL INC
13F
Company
0.5%
345,681
$12,451,416 31 Dec 2024
13F
BEACONLIGHT CAPITAL, LLC
13F
Company
0.48%
331,209
$11,930,148 31 Dec 2024
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.46%
317,706
$11,443,769 31 Dec 2024
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.46%
315,727
$11,372,487 31 Dec 2024
13F
Mirae Asset Global Investments Co., Ltd.
13F
Company
0.44%
301,614
$11,120,508 31 Dec 2024
13F
First Light Asset Management, LLC
13F
Company
0.42%
292,117
$10,522,054 31 Dec 2024
13F

Institutional Holders of TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) as of Q1 2025

As of 31 Mar 2025, TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) was held by 271 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 73,028,420 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, Stephens Investment Management Group LLC, Paradice Investment Management LLC, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 274 institutional shareholders reporting positions in this security for the Q1 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2025 vs Q4 2024 Across Filers

Q4 2024 holders
311
Q1 2025 holders
271
Holder diff
-40
Investor Q4 2024 Shares Q1 2025 Shares Share Diff Share Chg % Q4 2024 Value $ Q1 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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