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 299 institutions that hold shares in the stock, with a total of 76.6 Million shares, which have been reported (via 13F filing form) to have a value of $851 Million.
| 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
|
$124 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
|
$81.9 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
|
$55.6 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
|
$32.1 Million
0.48% of portfolio
|
Q2 2025
Added 0.91%
|
|
|
Arrow Mark Colorado Holdings LLC
Denver, CO |
May 15, 2025 Q1 2025 |
2,716,332
shares
|
$30.2 Million
0.95% of portfolio
|
Q1 2025
Reduced 0.27%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
2,645,889
shares
|
$29.4 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
|
$28.5 Million
0.77% of portfolio
|
Q2 2025
Added 10.94%
|
|
|
Paradice Investment Management LLC
|
Aug 13, 2025 Q2 2025 |
1,767,179
shares
|
$19.6 Million
6.83% of portfolio
|
Q2 2025
Added 7.11%
|
|
|
Stephens Investment Management Group LLC
|
Jul 30, 2025 Q2 2025 |
1,737,769
shares
|
$19.3 Million
0.46% of portfolio
|
Q2 2025
Added 1.81%
|
|
|
Jennison Associates LLC
|
Aug 01, 2025 Q2 2025 |
1,658,942
shares
|
$18.4 Million
0.02% of portfolio
|
Q2 2025
Added 12.31%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
1,606,336
shares
|
$17.8 Million
0.0% of portfolio
|
Q2 2025
Added 3.15%
|
|
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
May 15, 2025 Q1 2025 |
1,471,569
shares
|
$16.3 Million
0.12% of portfolio
|
Q1 2025
Reduced 11.41%
|
|
|
Champlain Investment Partners, LLC
Burlington, VT |
Aug 12, 2025 Q2 2025 |
1,455,123
shares
|
$16.2 Million
0.2% of portfolio
|
Q2 2025
Added 6.3%
|
|
|
Fred Alger Management, LLC
New York, NY |
May 15, 2025 Q1 2025 |
1,454,239
shares
|
$16.2 Million
0.17% of portfolio
|
Q1 2025
Reduced 25.17%
|
|
|
Baillie Gifford & CO
|
Aug 06, 2025 Q2 2025 |
1,125,728
shares
|
$12.5 Million
0.02% of portfolio
|
Q2 2025
Added 53.67%
|
|
|
Park West Asset Management LLC
Larkspur, CA |
May 15, 2025 Q1 2025 |
1,123,052
shares
|
$12.5 Million
1.95% of portfolio
|
Q1 2025
Reduced 29.81%
|
|
|
Brown Advisory Inc
|
Aug 13, 2025 Q2 2025 |
1,057,115
shares
|
$11.7 Million
0.03% of portfolio
|
Q2 2025
Added 14.24%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
930,969
shares
|
$10.3 Million
0.0% of portfolio
|
Q1 2025
Added 9.9%
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
835,692
shares
|
$9.28 Million
0.0% of portfolio
|
Q1 2025
Added 33.42%
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
Aug 07, 2025 Q2 2025 |
784,218
shares
|
$8.71 Million
0.06% of portfolio
|
Q2 2025
Added 21.59%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
769,743
shares
|
$8.55 Million
0.03% of portfolio
|
Q1 2025
New holding
|
|
|
Capital World Investors
Los Angeles, CA |
Aug 13, 2025 Q2 2025 |
767,000
shares
|
$8.52 Million
0.0% of portfolio
|
Q4 2024
Reduced 76.51%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Jun 26, 2025 Q1 2025 |
712,559
shares
|
$7.92 Million
0.0% of portfolio
|
Q1 2025
Added 5.02%
|
|
|
Northern Trust Corp
Chicago, IL |
Aug 13, 2025 Q2 2025 |
700,381
shares
|
$7.78 Million
0.0% of portfolio
|
Q2 2025
Added 1.57%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
May 15, 2025 Q1 2025 |
679,583
shares
|
$7.55 Million
0.03% of portfolio
|
Q1 2025
Reduced 22.93%
|