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

CUSIP 875372203 is the security identifier for TNDM - TANDEM DIABETES CARE INC - Common Stock used to aggregate holder disclosures.

How many institutions held TNDM - TANDEM DIABETES CARE INC - Common Stock in Q4 2017?

29 institutional investors reported TNDM - TANDEM DIABETES CARE INC - Common Stock for Q4 2017. Use the holders table for investor-level position and value details.

TANDEM DIABETES CARE INC - Common Stock (TNDM)

CUSIP: 875372203

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock
Shares outstanding: 67,833,122
Total 13F shares: 1,658,886
Share change: -6,524,735
Total reported value: $3,911,007
Price per share: $2.36
Number of holders: 29
Value change: -$15,365,244
Number of buys: 24
Number of sells: 4

Quarterly Holders Quick Answers

What is CUSIP 875372203?
CUSIP 875372203 identifies TNDM - TANDEM DIABETES CARE INC - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q1 2018
Previous quarter: Q3 2017

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 (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
TPG Group Holdings (SBS) Advisors, Inc.	13F	Company	— class O/S missing	2,496,194	$18,222,000	—	30 Sep 2017	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	7.1%	4,840,352	$3,533,000	—	30 Sep 2017	13F
WASATCH ADVISORS LP	13F	Company	4.6%	3,141,583	$2,293,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	— class O/S missing	1,403,049	$1,024,000	—	30 Sep 2017	13F
Russell Investments Group, Ltd.	13F	Company	— class O/S missing	659,993	$482,000	—	30 Sep 2017	13F
Rock Springs Capital Management LP	13F	Company	— class O/S missing	562,500	$411,000	—	30 Sep 2017	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	— class O/S missing	500,000	$365,000	—	30 Sep 2017	13F
BlackRock Finance, Inc.	13F	Company	— class O/S missing	419,400	$307,000	—	30 Sep 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	— class O/S missing	245,300	$179,000	—	30 Sep 2017	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	— class O/S missing	238,852	$174,000	—	30 Sep 2017	13F
KEYBANK NATIONAL ASSOCIATION/OH	13F	Company	— class O/S missing	213,523	$156,000	—	30 Sep 2017	13F
WEDBUSH SECURITIES INC	13F	Company	— class O/S missing	188,877	$138,000	—	30 Sep 2017	13F
SHEPHERD KAPLAN KROCHUK, LLC	13F	Company	— class O/S missing	181,933	$133,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.27%	180,563	$131,000	—	30 Sep 2017	13F
DAVENPORT & Co LLC	13F	Company	— class O/S missing	125,000	$91,250	—	30 Sep 2017	13F
Virtu Financial LLC	13F	Company	— class O/S missing	99,567	$73,000	—	30 Sep 2017	13F
FIRST MERCANTILE TRUST CO	13F	Company	— class O/S missing	58,361	$43,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	— class O/S missing	50,677	$37,000	—	30 Sep 2017	13F
TWO SIGMA SECURITIES, LLC	13F	Company	— class O/S missing	37,538	$27,000	—	30 Sep 2017	13F
GROUP ONE TRADING LLC	13F	Company	— class O/S missing	30,451	$22,000	—	30 Sep 2017	13F
APPLETON PARTNERS INC/MA	13F	Company	— class O/S missing	26,700	$19,000	—	30 Sep 2017	13F
Weiss Multi-Strategy Advisers LLC	13F	Company	— class O/S missing	20,000	$15,000	—	30 Sep 2017	13F
DOWLING & YAHNKE LLC	13F	Company	— class O/S missing	17,572	$13,000	—	30 Sep 2017	13F
TOCQUEVILLE ASSET MANAGEMENT L.P.	13F	Company	0.03%	17,000	$12,000	—	30 Sep 2017	13F
GUGGENHEIM CAPITAL LLC	13F	Company	— class O/S missing	16,503	$12,000	—	30 Sep 2017	13F
Commonwealth Equity Services, Inc	13F	Company	— class O/S missing	16,106	$12,000	—	30 Sep 2017	13F
Cutler Group LLC / CA	13F	Company	— class O/S missing	16,000	$11,000	—	30 Sep 2017	13F
RAYMOND JAMES & ASSOCIATES	13F	Company	— class O/S missing	15,000	$11,000	—	30 Sep 2017	13F
STIFEL FINANCIAL CORP	13F	Company	— class O/S missing	14,750	$10,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	— class O/S missing	12,849	$9,000	—	30 Sep 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	— class O/S missing	10,000	$7,000	—	30 Sep 2017	13F
CITIGROUP INC	13F	Company	— class O/S missing	10,000	$7,000	—	30 Sep 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	— class O/S missing	7,789	$6,000	—	30 Sep 2017	13F
FEDERATED HERMES, INC.	13F	Company	— class O/S missing	4,578	$3,000	—	30 Sep 2017	13F
ROPES WEALTH ADVISORS LLC	13F	Company	— class O/S missing	2,984	$2,000	—	30 Sep 2017	13F
ROYAL BANK OF CANADA	13F	Company	— class O/S missing	2,803	$2,000	—	30 Sep 2017	13F
MEEDER ASSET MANAGEMENT INC	13F	Company	— class O/S missing	2,589	$2,000	—	30 Sep 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	— class O/S missing	2,295	$2,000	—	30 Sep 2017	13F
UBS Group AG	13F	Company	— class O/S missing	1,721	$1,000	—	30 Sep 2017	13F
Advisor Group, Inc.	13F	Company	— class O/S missing	1,000	$1,000	—	30 Sep 2017	13F
PRELUDE CAPITAL MANAGEMENT, LLC	13F	Company	— class O/S missing	772	$1,000	—	30 Sep 2017	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	— class O/S missing	31	$23	—	30 Sep 2017	13F

Institutional Holders of TANDEM DIABETES CARE INC - Common Stock (TNDM) as of Q4 2017

As of 31 Dec 2017, TANDEM DIABETES CARE INC - Common Stock (TNDM) was held by 29 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 1,658,886 shares. The largest 10 holders included FRONTIER CAPITAL MANAGEMENT CO LLC, WASATCH ADVISORS INC, TPG Group Holdings (SBS) Advisors, Inc., Alyeska Investment Group, L.P., Vanguard Group Inc, JACOBS LEVY EQUITY MANAGEMENT, INC, BlackRock Inc., UBS Group AG, Ausdal Financial Partners, Inc., and WEDBUSH SECURITIES INC. This page lists 29 institutional shareholders reporting positions in this security for the Q4 2017 filing period.

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

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

Q4 2017 holders

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 2017 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.