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

Q: What does CUSIP 875372203 represent in this 13F holders report?

CUSIP 875372203 is the security identifier for TNDM - TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held TNDM - TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share in Q1 2020?

272 institutional investors reported TNDM - TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share for Q1 2020. Use the holders table for investor-level position and value details.

CUSIP: 875372203

Q1 2020 13F Holders as of 31 Mar 2020

Type / Class: Equity / Common Stock, par value $0.001 per share
Shares outstanding: 68,947,349
Total 13F shares: 55,943,514
Share change: +2,500,233
Total reported value: $3,597,678,709
Put/Call ratio: 102%
Price per share: $64.35
Number of holders: 272
Value change: +$179,201,893
Number of buys: 126
Number of sells: 158

Security key

875372203

Report period

Q1 2020

Institutions

272

Top holders

TNDM full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2020 Previous quarter: Q4 2019 TANDEM DIABETES CARE INC SEC filings TANDEM DIABETES CARE INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 875372203

Newer quarter: Q2 2020 Previous quarter: Q4 2019

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

VANGUARD GROUP INC

13D/G signal

—

Evidence rows

Latest as of

31 Dec 2019

13F Lead comparable stake: 8% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VANGUARD GROUP INC	13F Company 13F	8%	$326,986,000 5,485,432 shares	—	31 Dec 2019
BlackRock Finance, Inc.	13F Company 13F	6.2%	$255,088,000 4,279,305 shares	—	31 Dec 2019
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	4.4%	$181,536,000 3,045,397 shares	—	31 Dec 2019
FMR LLC	13F Company 13F	3.4%	$139,796,000 2,345,167 shares	—	31 Dec 2019
FEDERATED HERMES, INC.	13F Company 13F	2.1%	$86,932,000 1,458,341 shares	—	31 Dec 2019
FRED ALGER MANAGEMENT, LLC	13F Company 13F	2.1%	$85,541,000 1,435,006 shares	—	31 Dec 2019
DEERFIELD MANAGEMENT COMPANY, L.P.	13F Company 13F	2%	$81,150,000 1,361,345 shares	—	31 Dec 2019
STATE STREET CORP	13F Company 13F	1.9%	$79,505,000 1,333,759 shares	—	31 Dec 2019

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
TimesSquare Capital Management, LLC	13F Company 13F	1.9%	$77,494,000 1,300,010 shares	—	31 Dec 2019
GILDER GAGNON HOWE & CO LLC	13F Company 13F	1.8%	$73,414,000 1,231,566 shares	—	31 Dec 2019
Redmile Group, LLC	13F Company 13F	1.7%	$69,877,000 1,172,232 shares	—	31 Dec 2019
ORBIMED ADVISORS LLC	13F Company 13F	1.7%	$68,038,000 1,141,390 shares	—	31 Dec 2019
Delphi Management Partners VIII, L.L.C.	13F Company 13F	1.5%	$59,610,000 1,000,000 shares	—	31 Dec 2019
EAGLE ASSET MANAGEMENT INC	13F Company 13F	1.4%	$58,799,000 986,401 shares	—	31 Dec 2019
BROWN CAPITAL MANAGEMENT LLC	13F Company 13F	1.3%	$54,245,000 909,992 shares	—	31 Dec 2019
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	1.3%	$52,426,000 879,487 shares	—	31 Dec 2019
Ardevora Asset Management LLP	13F Company 13F	1.3%	$52,179,000 875,336 shares	—	31 Dec 2019
Invesco Ltd.	13F Company 13F	1.1%	$47,087,000 789,912 shares	—	31 Dec 2019
GOLDMAN SACHS GROUP INC	13F Company 13F	1.1%	$44,733,000 750,426 shares	—	31 Dec 2019
CARILLON TOWER ADVISERS, INC.	13F Company 13F	1%	$42,264,623 709,019 shares	—	31 Dec 2019
NORTHERN TRUST CORP	13F Company 13F	1%	$42,068,000 705,731 shares	—	31 Dec 2019
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	0.99%	$40,827,000 684,900 shares	—	31 Dec 2019
COLUMBUS CIRCLE INVESTORS	13F Company 13F	0.96%	$39,592,000 664,176 shares	—	31 Dec 2019
FRIESS ASSOCIATES LLC	13F Company 13F	0.91%	$37,389,000 627,225 shares	—	31 Dec 2019
CREDIT SUISSE AG/	13F Company 13F	0.88%	$36,307,000 609,084 shares	—	31 Dec 2019
Stephens Investment Management Group LLC	13F Company 13F	0.83%	$34,198,000 573,690 shares	—	31 Dec 2019
VOYA INVESTMENT MANAGEMENT LLC	13F Company 13F	0.82%	$33,640,000 564,337 shares	—	31 Dec 2019
Consonance Capital Management LP	13F Company 13F	0.8%	$32,842,000 550,956 shares	—	31 Dec 2019
Allianz Asset Management GmbH	13F Company 13F	0.8%	$32,681,000 548,253 shares	—	31 Dec 2019
NORGES BANK	13F Company 13F	0.76%	$31,266,000 524,502 shares	—	31 Dec 2019
AMERICAN CENTURY COMPANIES INC	13F Company 13F	0.74%	$30,265,000 507,711 shares	—	31 Dec 2019
JENNISON ASSOCIATES LLC	13F Company 13F	0.73%	$30,080,000 504,605 shares	—	31 Dec 2019
Nuveen Asset Management, LLC	13F Company 13F	0.72%	$29,516,000 495,155 shares	—	31 Dec 2019
WADDELL & REED FINANCIAL INC	13F Company 13F	0.68%	$27,789,000 466,184 shares	—	31 Dec 2019
DEUTSCHE BANK AG\	13F Company 13F	0.66%	$27,081,000 454,330 shares	—	31 Dec 2019
Chicago Capital, LLC	13F Company 13F	0.64%	$26,304,000 441,268 shares	—	31 Dec 2019
BAILLIE GIFFORD & CO	13F Company 13F	0.63%	$25,912,000 434,700 shares	—	31 Dec 2019
BALYASNY ASSET MANAGEMENT L.P.	13F Company 13F	0.59%	$24,381,000 409,014 shares	—	31 Dec 2019
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.57%	$23,484,000 393,958 shares	—	31 Dec 2019
EMERALD ADVISERS, LLC	13F Company 13F	0.54%	$22,175,000 372,004 shares	—	31 Dec 2019
WASATCH ADVISORS LP	13F Company 13F	0.52%	$21,489,000 360,501 shares	—	31 Dec 2019
MILLENNIUM MANAGEMENT LLC	13F Company 13F	0.52%	$21,324,000 357,720 shares	—	31 Dec 2019
EMERALD MUTUAL FUND ADVISERS TRUST	13F Company 13F	0.5%	$20,438,000 342,858 shares	—	31 Dec 2019
SECTORAL ASSET MANAGEMENT INC	13F Company 13F	0.5%	$20,370,000 341,714 shares	—	31 Dec 2019
Hood River Capital Management LLC	13F Company 13F	0.49%	$20,253,000 339,763 shares	—	31 Dec 2019
PERCEPTIVE ADVISORS LLC	13F Company 13F	0.45%	$18,479,000 310,000 shares	—	31 Dec 2019
CITADEL ADVISORS LLC	13F Company 13F	0.41%	$16,703,000 280,193 shares	—	31 Dec 2019
First Light Asset Management, LLC	13F Company 13F	0.39%	$16,010,000 268,574 shares	—	31 Dec 2019
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	0.37%	$15,310,000 256,835 shares	—	31 Dec 2019
WELLS FARGO & COMPANY/MN	13F Company 13F	0.37%	$15,131,000 253,831 shares	—	31 Dec 2019

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2020

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

272

55,943,514

Rows loaded

272

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.

Compare Q1 2020 vs Q4 2019 Across Filers

Q4 2019 holders

277

Q1 2020 holders

272

Holder diff

-5

Investor	Q4 2019 Shares	Q1 2020 Shares	Share Diff	Share Chg %	Q4 2019 value	Q1 2020 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend