Institutional Ownership
Tandem Diabetes Care Inc
CUSIP 875372203COM NEWTNDMQ1 2026
Institutional Holders
263
13F filers
Shares Held
70.39M
Aggregate institutional
Institutional Value
$1.28B
Q1 2026
Net New Holders
+5
39 new · 34 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions39
Increased93
Decreased91
Sold out34
Institutional Holders
263 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | 10.69M | $204.94M | −458.3K | Reduced |
| 2 | Sessa Capital Im, L.P. | 4.73M | $90.69M | −269.2K | Reduced |
| 3 | Arrowmark Colorado Holdings LLC | 3.10M | $59.50M | +213.9K | Added |
| 4 | State Street Corp | 2.66M | $51.04M | +20.5K | Added |
| 5 | Driehaus Capital Management LLC | 2.30M | $44.18M | +694.1K | Added |
| 6 | Goldman Sachs Group Inc | 2.22M | $42.54M | +535.5K | Added |
| 7 | Citadel Advisors LLC | 2.19M | $42.03M | +104.1K | Added |
| 8 | Ubs Group AG | 2.05M | $39.26M | +1.63M | Added |
| 9 | Paradice Investment Management LLC | 2.04M | $39.15M | −35.3K | Reduced |
| 10 | Two Sigma Investments, LP | 1.86M | $35.74M | +662.7K | Added |
253 more institutional holders on Premium
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