Tandem Diabetes Care
TNDM
TNDM
272 hedge funds and large institutions have $1.51B invested in Tandem Diabetes Care in 2026 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 93 increasing their positions, 93 reducing their positions, and 35 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more ownership
Funds ownership: →
more funds holding
Funds holding: →
0% more repeat investments, than reductions
Existing positions increased: 93 | Existing positions reduced: 93
8% less capital invested
Capital invested by funds: $1.65B → $1.51B (-$138M)
67% less funds holding in top 10
Funds holding in top 10: 3 → 1 (-2)
Holders
272
Holding in Top 10
1
Calls
$108M
Puts
$8.7M
Top Buyers
| 1 | +$35.4M | |
| 2 | +$20.5M | |
| 3 | +$17M | |
| 4 |
DCM
Defilade Capital Management
Emeryville,
California
|
+$16.6M |
| 5 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$15.1M |
Top Sellers
| 1 | -$22.8M | |
| 2 | -$22.6M | |
| 3 | -$15.7M | |
| 4 |
Barclays
London,
United Kingdom
|
-$10.8M |
| 5 |
BlackRock
New York
|
-$9.96M |
