TANDEM DIABETES CARE INC — Institutional Ownership

Which tracked institutions hold TNDM, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.

34
Funds holding
$474373854
Total value held
Buying
26 added/new · 8 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Blackrock, Inc. $181430721 18608125 +2767281 +17.47%
2 Ubs Group Ag $95446513 6325150 +6325150 NEW BUY
3 Bank Of Montreal /Can/ $48569586 42603966 +527531 +1.25%
4 State Street Corp $43031338 2851646 +189386 +7.11%
5 Goldman Sachs Group Inc $22884799 11305301 +9086379 +409.50%
6 Northern Trust Corp $11373182 753690 +47081 +6.66%
7 Morgan Stanley $9764284 647069 -710473 -52.34%
8 Bank Of America Corp /De/ $5961365 395054 +21830 +5.85%
9 Barclays Plc $5589772 370429 -183207 -33.09%
10 Citigroup Inc $5582659 5303230 +2356862 +79.99%
11 Bank Of New York Mellon Corp $5552245 602161 +265870 +79.06%
12 Jpmorgan Chase & Co $5534991 349652 -140 -0.04%
13 Principal Financial Group Inc $5056568 335094 +3553 +1.07%
14 Invesco Ltd. $4845821 321128 +321128 NEW BUY
15 Jefferies Financial Group Inc. $3561472 1266489 +1266489 NEW BUY
16 Royal Bank Of Canada $3405000 232174 +26141 +12.69%
17 Nomura Holdings Inc $2805065 185889 +185889 NEW BUY
18 Banco Santander, S.A. $2221248 147200 +147200 NEW BUY
19 Federated Hermes, Inc. $1868429 123819 +123819 NEW BUY
20 Raymond James Financial Inc $1841297 122021 -3324 -2.65%
21 Ameriprise Financial Inc $1713044 113522 +113522 NEW BUY
22 Wells Fargo & Company/Mn $1089217 72181 +40651 +128.93%
23 Prudential Financial Inc $1063453 70474 +1070 +1.54%
24 Stifel Financial Corp $1028893 68185 +68185 NEW BUY
25 Franklin Resources Inc $746337 49459 +31590 +176.79%
26 Janus Henderson Group Plc $571328 29811 +29811 NEW BUY
27 Truist Financial Corp $457515 30319 -300 -0.98%
28 Allstate Corp $389503 25812 +25812 NEW BUY
29 Pnc Financial Services Group, Inc. $358388 23750 +2933 +14.09%
30 Fifth Third Bancorp $333884 22126 -479 -2.12%
31 Sei Investments Co $238638 15814 -79492 -83.41%
32 Us Bancorp \De\ $27117 1797 -412 -18.65%
33 First Horizon Corp $24732 1639 +1639 NEW BUY
34 Amalgamated Financial Corp. $5450 46865 +46865 NEW BUY

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.