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 2019?

259 institutional investors reported TNDM - TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share for Q1 2019. Use the holders table for investor-level position and value details.

CUSIP: 875372203

Q1 2019 13F Holders as of 31 Mar 2019

Type / Class: Equity / Common Stock, par value $0.001 per share
Shares outstanding: 68,947,349
Total 13F shares: 46,852,382
Share change: -847,619
Total reported value: $2,975,069,325
Put/Call ratio: 66%
Price per share: $63.50
Number of holders: 259
Value change: -$42,975,705
Number of buys: 153
Number of sells: 95

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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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2019
Previous quarter: Q4 2018

Recent filing periods for CUSIP 875372203:

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

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
VANGUARD GROUP INC	13F	Company	8.2%	5,662,982	$215,022,000	—	31 Dec 2018	13F
BlackRock Finance, Inc.	13F	Company	6.1%	4,201,695	$159,538,000	—	31 Dec 2018	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	4.6%	3,184,080	$120,900,000	—	31 Dec 2018	13F
LORD, ABBETT & CO. LLC	13F	Company	2.6%	1,810,966	$68,762,000	—	31 Dec 2018	13F
FEDERATED HERMES, INC.	13F	Company	2.5%	1,710,032	$64,930,000	—	31 Dec 2018	13F
TimesSquare Capital Management, LLC	13F	Company	2.4%	1,640,570	$62,292,000	—	31 Dec 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	2%	1,412,327	$53,626,000	—	31 Dec 2018	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	1.9%	1,312,885	$49,850,000	—	31 Dec 2018	13F
STATE STREET CORP	13F	Company	1.8%	1,275,179	$48,419,000	—	31 Dec 2018	13F
Point72 Asset Management, L.P.	13F	Company	1.7%	1,206,107	$45,796,000	—	31 Dec 2018	13F
Ardevora Asset Management LLP	13F	Company	1.6%	1,099,836	$41,761,000	—	31 Dec 2018	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	1.5%	1,050,438	$39,885,000	—	31 Dec 2018	13F
Redmile Group, LLC	13F	Company	1.5%	1,039,750	$39,479,000	—	31 Dec 2018	13F
DEUTSCHE BANK AG\	13F	Company	1.5%	1,037,695	$39,400,000	—	31 Dec 2018	13F
ORBIMED ADVISORS LLC	13F	Company	1.4%	948,000	$35,996,000	—	31 Dec 2018	13F
COLUMBUS CIRCLE INVESTORS	13F	Company	1.2%	848,842	$32,231,000	—	31 Dec 2018	13F
TWO SIGMA ADVISERS, LP	13F	Company	1.2%	800,172	$30,383,000	—	31 Dec 2018	13F
EMERALD ADVISERS, LLC	13F	Company	1.1%	772,093	$29,316,000	—	31 Dec 2018	13F
CARILLON TOWER ADVISERS, INC.	13F	Company	1.1%	732,007	$27,794,000	—	31 Dec 2018	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	1%	709,791	$26,951,000	—	31 Dec 2018	13F
NORTHERN TRUST CORP	13F	Company	0.96%	661,920	$25,133,000	—	31 Dec 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.95%	653,689	$24,821,000	—	31 Dec 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.94%	647,594	$24,589,000	—	31 Dec 2018	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.93%	641,376	$24,353,000	—	31 Dec 2018	13F
FRIESS ASSOCIATES LLC	13F	Company	0.85%	588,221	$22,335,000	—	31 Dec 2018	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.8%	553,765	$21,026,000	—	31 Dec 2018	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.78%	540,036	$20,505,000	—	31 Dec 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.75%	515,305	$19,566,000	—	31 Dec 2018	13F
DARUMA CAPITAL MANAGEMENT LLC	13F	Company	0.72%	498,957	$18,945,000	—	31 Dec 2018	13F
Hood River Capital Management LLC	13F	Company	0.66%	454,368	$17,252,000	—	31 Dec 2018	13F
BAILLIE GIFFORD & CO	13F	Company	0.63%	434,700	$16,506,000	—	31 Dec 2018	13F
WASATCH ADVISORS LP	13F	Company	0.54%	371,271	$14,097,000	—	31 Dec 2018	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.51%	350,066	$13,292,000	—	31 Dec 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.46%	319,724	$12,139,000	—	31 Dec 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.44%	300,589	$11,414,000	—	31 Dec 2018	13F
CASTLEARK MANAGEMENT LLC	13F	Company	0.41%	280,180	$10,638,000	—	31 Dec 2018	13F
First Light Asset Management, LLC	13F	Company	0.38%	263,883	$10,020,000	—	31 Dec 2018	13F
WADDELL & REED FINANCIAL INC	13F	Company	0.38%	262,793	$9,978,000	—	31 Dec 2018	13F
Bank of New York Mellon Corp	13F	Company	0.36%	250,256	$9,502,000	—	31 Dec 2018	13F
TPG Group Holdings (SBS) Advisors, Inc.	13F	Company	0.36%	249,620	$9,478,000	—	31 Dec 2018	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.34%	231,987	$8,808,000	—	31 Dec 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.33%	227,390	$8,634,000	—	31 Dec 2018	13F
OBERWEIS ASSET MANAGEMENT INC/	13F	Company	0.33%	224,860	$8,538,000	—	31 Dec 2018	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.29%	203,067	$7,710,000	—	31 Dec 2018	13F
FMR LLC	13F	Company	0.29%	202,307	$7,681,000	—	31 Dec 2018	13F
ROYAL BANK OF CANADA	13F	Company	0.29%	201,565	$7,653,000	—	31 Dec 2018	13F
MORGAN STANLEY	13F	Company	0.27%	184,336	$7,000,000	—	31 Dec 2018	13F
WESTPAC BANKING CORP	13F	Company	0.25%	170,017	$6,455,545	—	31 Dec 2018	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.22%	152,614	$5,794,000	—	31 Dec 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.18%	121,451	$4,613,000	—	31 Dec 2018	13F

Institutional Holders of TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) as of Q1 2019

As of 31 Mar 2019, TANDEM DIABETES CARE INC - Common Stock, par value $0.001 per share (TNDM) was held by 259 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 46,852,382 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., FRED ALGER MANAGEMENT INC, LORD, ABBETT & CO. LLC, FEDERATED INVESTORS INC /PA/, WELLINGTON MANAGEMENT GROUP LLP, EAGLE ASSET MANAGEMENT INC, TimesSquare Capital Management, LLC, STATE STREET CORP, and TWO SIGMA ADVISERS, LP. This page lists 259 institutional shareholders reporting positions in this security for the Q1 2019 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2019 vs Q4 2018 Across Filers

Q4 2018 holders

197

Q1 2019 holders

259

Holder diff

Investor	Q4 2018 Shares	Q1 2019 Shares	Share Diff	Share Chg %	Q4 2018 Value $	Q1 2019 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.