TNDM

TANDEM DIABETES CARE INC
USCUSIP 875372203
Institutional Owners
93
+12 QoQ
13F Value Held
$487.4M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)55 adding · 25 trimming
Insider net (180d)+$0
Price history not yet available for TNDM.

Top institutional holders

93 13F filers
#FundPosition valueSharesLast moveAs of
1Sessa Capital IM, L.P.
$90.7M
4.73MReducedQ1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$76.6M
3.99MNewQ1 2026
3ArrowMark Colorado Holdings LLC
$59.5M
3.10MAddedQ1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$58.3M
3.04MNewQ1 2026
5STATE STREET CORP
$51.0M
2.66MAddedQ1 2026
6JACOBS LEVY EQUITY MANAGEMENT, INC
$29.2M
1.52MReducedQ1 2026
7Freestone Grove Partners LP
$25.5M
1.33MReducedQ1 2026
8Soleus Capital Management, L.P.
$15.0M
783.0KNewQ1 2026
9Holocene Advisors, LP
$9.2M
477.4KAddedQ1 2026
10VANGUARD FIDUCIARY TRUST CO
$9.0M
471.7KNewQ1 2026
11Point72 Asset Management, L.P.
$8.1M
420.5KNewQ1 2026
12FRONTIER CAPITAL MANAGEMENT CO LLC
$7.6M
397.2KReducedQ1 2026
13EDMOND DE ROTHSCHILD HOLDING S.A.
$4.9M
258.2KHeldQ1 2026
14Trexquant Investment LP
$4.8M
249.3KAddedQ1 2026
15PUBLIC SECTOR PENSION INVESTMENT BOARD
$4.7M
242.6KAddedQ1 2026
16PANAGORA ASSET MANAGEMENT INC
$3.1M
163.7KAddedQ1 2026
17BANQUE PICTET & CIE SA
$2.4M
123.9KAddedQ1 2026
18INTECH INVESTMENT MANAGEMENT LLC
$2.1M
111.4KAddedQ1 2026
19Verition Fund Management LLC
$2.1M
107.1KAddedQ1 2026
20Zurcher Kantonalbank (Zurich Cantonalbank)
$1.8M
94.3KAddedQ1 2026
21Universal- Beteiligungs- und Servicegesellschaft mbH
$1.7M
87.4KReducedQ1 2026
22MANGROVE PARTNERS IM, LLC
$1.6M
82.4KAddedQ1 2025
23Gotham Asset Management, LLC
$1.5M
82.4KAddedQ2 2025
24TUDOR INVESTMENT CORP ET AL
$1.5M
79.0KAddedQ1 2026
25Y-Intercept (Hong Kong) Ltd
$1.5M
77.9KReducedQ1 2026

Fund activity — latest quarter

Opened (NEW)
24
funds
Added
31
funds
Reduced
15
funds
Exited
10
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

82 funds+79 since Q2 2022
04182Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $442M

Funds that own TNDM also own

CompanyCo-held byCombined value
Microsoft Corp - USMSFT82 funds$147.8B
Amazon.com IncAMZN81 funds$109.0B
Lilly Eli & CoLLY81 funds$41.7B
Bank of America CorpBAC81 funds$18.5B
The Charles Schwab CorporationSCHW81 funds$9.0B
Nvidia Corp - USNVDA80 funds$223.9B
Meta Platforms Inc AMETA80 funds$67.1B
Danaher CorporationDHR80 funds$7.7B
Apple Inc - USAAPL79 funds$192.8B
GOOGLE INCGOOGL79 funds$88.3B
Broadcom LtdAVGO79 funds$77.4B
Jpmorgan Chase & Co - USJPM79 funds$48.2B

Ranked by how many of TNDM's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TNDM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.