Institutional Ownership Tandem Diabetes Care Inc (TNDM)
This table provides information about the institutional ownership of Tandem Diabetes Care Inc (TNDM). We have compiled data on the 300 institutions that hold shares in the stock, with a total of 79.7 Million shares, which have been reported (via 13F filing form) to have a value of $1.16 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
11,122,903
shares
|
$156 Million
0.01% of portfolio
|
Q2 2024
Added 20.48%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
7,369,830
shares
|
$103 Million
0.0% of portfolio
|
Q2 2025
Added 1.06%
|
|
|
Sessa Capital Im, L.P.
New York, NY |
Aug 13, 2025 Q2 2025 |
5,000,000
shares
|
$70 Million
2.82% of portfolio
|
Q2 2025
Added 11.95%
|
|
|
Gw&K Investment Management, LLC
Boston, MA |
Aug 11, 2025 Q2 2025 |
2,890,130
shares
|
$40.5 Million
0.48% of portfolio
|
Q2 2025
Added 0.91%
|
|
|
Arrow Mark Colorado Holdings LLC
Denver, CO |
Aug 14, 2025 Q2 2025 |
2,699,549
shares
|
$37.8 Million
1.02% of portfolio
|
Q2 2025
Reduced 0.62%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
2,645,889
shares
|
$37 Million
0.0% of portfolio
|
Q2 2025
Reduced 1.56%
|
|
|
Hood River Capital Management LLC
Palm Beach Gardens, FL |
Aug 14, 2025 Q2 2025 |
2,564,978
shares
|
$35.9 Million
0.77% of portfolio
|
Q2 2025
Added 10.94%
|
|
|
Paradice Investment Management LLC
|
Oct 20, 2025 Q3 2025 |
2,196,468
shares
|
$30.8 Million
6.1% of portfolio
|
Q3 2025
Added 24.29%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
1,886,475
shares
|
$26.4 Million
0.0% of portfolio
|
Q2 2025
Added 164.75%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
1,606,336
shares
|
$22.5 Million
0.0% of portfolio
|
Q2 2025
Added 3.15%
|
|
|
Ophir Asset Management Pty LTD
|
Aug 14, 2025 Q2 2025 |
1,464,956
shares
|
$20.5 Million
4.47% of portfolio
|
Q2 2025
New holding
|
|
|
Champlain Investment Partners, LLC
Burlington, VT |
Aug 12, 2025 Q2 2025 |
1,455,123
shares
|
$20.4 Million
0.2% of portfolio
|
Q2 2025
Added 6.3%
|
|
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
Aug 14, 2025 Q2 2025 |
1,431,307
shares
|
$20 Million
0.11% of portfolio
|
Q2 2025
Reduced 2.74%
|
|
|
Jennison Associates LLC
|
Oct 30, 2025 Q3 2025 |
1,420,116
shares
|
$19.9 Million
0.01% of portfolio
|
Q3 2025
Reduced 14.4%
|
|
|
Ubs Group Ag
|
Aug 14, 2025 Q2 2025 |
1,383,944
shares
|
$19.4 Million
0.0% of portfolio
|
Q2 2025
Added 65.6%
|
|
|
Morgan Stanley
New York, NY |
Aug 15, 2025 Q2 2025 |
1,265,534
shares
|
$17.7 Million
0.0% of portfolio
|
Q2 2025
Added 35.94%
|
|
|
Two Sigma Investments, LP
New York, NY |
Aug 14, 2025 Q2 2025 |
1,232,727
shares
|
$17.3 Million
0.05% of portfolio
|
Q2 2025
Added 92.18%
|
|
|
Baillie Gifford & CO
|
Oct 31, 2025 Q3 2025 |
1,120,595
shares
|
$15.7 Million
0.01% of portfolio
|
Q3 2025
Reduced 0.46%
|
|
|
Brown Advisory Inc
|
Aug 13, 2025 Q2 2025 |
1,057,115
shares
|
$14.8 Million
0.03% of portfolio
|
Q2 2025
Added 14.24%
|
|
|
Israel Englander
Millennium Management LLC | New York, Ny
|
Aug 14, 2025 Q2 2025 |
969,073
shares
|
$13.6 Million
0.01% of portfolio
|
Q2 2025
Added 325.81%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Aug 14, 2025 Q2 2025 |
888,083
shares
|
$12.4 Million
0.04% of portfolio
|
Q2 2025
Added 30.68%
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
Aug 07, 2025 Q2 2025 |
784,218
shares
|
$11 Million
0.06% of portfolio
|
Q2 2025
Added 21.59%
|
|
|
Capital World Investors
Los Angeles, CA |
Aug 13, 2025 Q2 2025 |
767,000
shares
|
$10.7 Million
0.0% of portfolio
|
Q4 2024
Reduced 76.51%
|
|
|
Northern Trust Corp
Chicago, IL |
Aug 13, 2025 Q2 2025 |
700,381
shares
|
$9.81 Million
0.0% of portfolio
|
Q2 2025
Added 1.57%
|
|
|
Fred Alger Management, LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
667,345
shares
|
$9.34 Million
0.06% of portfolio
|
Q2 2025
Reduced 54.11%
|