Latest Institutional Purchases of Tandem Diabetes Care Inc (TNDM)
This list provides information on the latest institutional transactions involving Tandem Diabetes Care Inc (TNDM) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Freestone Grove Partners LP
San Francisco, CA |
BUY
|
- |
1.87MNew |
$18.9M - $32.2M
|
1.87M
$34.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Arrow Mark Colorado Holdings LLC
Denver, CO |
BUY
|
- |
992K+ 36.73% |
$10M - $17.1M
|
3.69M
$68.7M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
623K+ 109.87% |
$6.31M - $10.7M
|
1.19M
$22.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Acadian Asset Management LLC
Boston, MA |
BUY
|
- |
560K+ 156.26% |
$5.67M - $9.66M
|
919K
$17.1M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
- |
539K+ 159.02% |
$5.45M - $9.28M
|
877K
$16.3M
|
|
|
Nov 12, 2025
Q3 2025
|
Royce & Associates LP
|
BUY
|
- |
510KNew |
$5.16M - $8.79M
|
510K
$9.49M
|
|
|
Nov 14, 2025
Q3 2025
|
Cubist Systematic Strategies, LLC
Stamford, CT |
BUY
|
- |
439KNew |
$4.44M - $7.57M
|
439K
$8.17M
|
|
|
Oct 20, 2025
Q3 2025
|
Paradice Investment Management LLC
|
BUY
|
- |
429K+ 24.29% |
$4.34M - $7.4M
|
2.2M
$40.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
374K+ 912.45% |
$3.79M - $6.45M
|
415K
$7.73M
|
|
|
Nov 14, 2025
Q3 2025
|
Kent Lake Pr LLC
Anasco, PR |
BUY
|
- |
250KNew |
$2.53M - $4.31M
|
250K
$4.65M
|
|
|
Nov 06, 2025
Q3 2025
|
Abrdn PLC
|
BUY
|
- |
242K+ 67.9% |
$2.45M - $4.17M
|
598K
$11.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Panagora Asset Management Inc
Boston, MA |
BUY
|
- |
195KNew |
$1.98M - $3.37M
|
195K
$3.63M
|
|
|
Nov 13, 2025
Q3 2025
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
BUY
|
- |
178KNew |
$1.8M - $3.06M
|
178K
$3.31M
|
|
|
Nov 14, 2025
Q3 2025
|
Moore Capital Management, LP
New York, NY |
BUY
|
- |
161K+ 269.15% |
$1.63M - $2.77M
|
220K
$4.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Trexquant Investment LP
Stamford, CT |
BUY
|
- |
129K+ 35.06% |
$1.31M - $2.23M
|
498K
$9.26M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
127K+ 141.17% |
$1.29M - $2.19M
|
217K
$4.04M
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
125K+ 53.6% |
$1.27M - $2.16M
|
359K
$6.68M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
- |
120K+ 8.7% |
$1.22M - $2.08M
|
1.5M
$28M
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
113K+ 20.69% |
$1.14M - $1.95M
|
658K
$12.3M
|
|
|
Nov 07, 2025
Q3 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
98.9KNew |
$1M - $1.71M
|
98.9K
$1.84M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
89.4K+ 347.86% |
$905K - $1.54M
|
115K
$2.14M
|
|
|
Nov 14, 2025
Q3 2025
|
Hrt Financial LP
New York, NY |
BUY
|
- |
88.8KNew |
$898K - $1.53M
|
88.8K
$1.65M
|
|
|
Nov 14, 2025
Q3 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
82.8K+ 9.32% |
$838K - $1.43M
|
971K
$18.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Trail Advisors, LLC
New York, NY |
BUY
|
- |
76.4K+ 307.19% |
$773K - $1.32M
|
101K
$1.89M
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
75.3K+ 33.18% |
$762K - $1.3M
|
302K
$5.62M
|
|
|
Nov 13, 2025
Q3 2025
|
Edmond De Rothschild Holding S.A.
Chambesy, V8 |
BUY
|
- |
70.6K+ 26.88% |
$714K - $1.22M
|
333K
$6.2M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
BUY
|
PUT |
70KNew |
$708K - $1.21M
|
70K
$1.3M
|
|
|
Nov 13, 2025
Q3 2025
|
Hsbc Holdings PLC
London, X0 |
BUY
|
- |
63.2K+ 212.44% |
$639K - $1.09M
|
92.9K
$1.73M
|
|
|
Nov 14, 2025
Q3 2025
|
Dafna Capital Management LLC
Los Angeles, CA |
BUY
|
- |
61K+ 20.73% |
$617K - $1.05M
|
355K
$6.61M
|
|
|
Oct 31, 2025
Q3 2025
|
Sector Gamma As
|
BUY
|
- |
59K+ 28.03% |
$597K - $1.02M
|
270K
$5.02M
|
|
|
Oct 31, 2025
Q3 2025
|
Y Intercept (Hong Kong) LTD
|
BUY
|
- |
56.9KNew |
$576K - $981K
|
56.9K
$1.06M
|
|
|
Nov 14, 2025
Q3 2025
|
Xtx Topco LTD
London, X0 |
BUY
|
- |
54.8K+ 291.34% |
$554K - $944K
|
73.5K
$1.37M
|
|
|
Nov 14, 2025
Q3 2025
|
Frontier Capital Management CO LLC
|
BUY
|
- |
51.2K+ 14.07% |
$519K - $883K
|
415K
$7.73M
|
|
|
Nov 17, 2025
Q3 2025
|
Jacobs Levy Equity Management, Inc
Florham Park, NJ |
BUY
|
- |
50.6K+ 3.54% |
$513K - $873K
|
1.48M
$27.6M
|
|
|
Nov 06, 2025
Q3 2025
|
Caprock Group, Inc.
|
BUY
|
- |
44.4KNew |
$449K - $765K
|
44.4K
$826K
|
|
|
Nov 10, 2025
Q3 2025
|
Counterpoint Mutual Funds LLC
|
BUY
|
- |
42.3KNew |
$428K - $729K
|
42.3K
$787K
|
|
|
Nov 06, 2025
Q3 2025
|
Bryce Point Capital, LLC
Scarsdale, NY |
BUY
|
- |
42.3KNew |
$428K - $729K
|
42.3K
$786K
|
|
|
Nov 12, 2025
Q3 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
40.7KNew |
$412K - $702K
|
40.7K
$758K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
PUT |
36.5K+ 467.95% |
$369K - $629K
|
44.3K
$824K
|
|
|
Nov 06, 2025
Q3 2025
|
Public Sector Pension Investment Board
Montreal, A8 |
BUY
|
- |
36.5K+ 16.05% |
$369K - $629K
|
264K
$4.9M
|
|
|
Oct 09, 2025
Q3 2025
|
Voya Investment Management LLC
Atlanta, GA |
BUY
|
- |
36.4K+ 26.42% |
$368K - $627K
|
174K
$3.24M
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
35.3K+ 127.13% |
$357K - $608K
|
63.1K
$1.17M
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
32.7KNew |
$331K - $565K
|
32.7K
$609K
|
|
|
Nov 14, 2025
Q3 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
BUY
|
- |
32.2K+ 33.94% |
$325K - $554K
|
127K
$2.36M
|
|
|
Nov 13, 2025
Q3 2025
|
Sei Investments CO
Oaks, PA |
BUY
|
- |
29.3K+ 15.67% |
$296K - $504K
|
216K
$4.02M
|
|
|
Nov 12, 2025
Q3 2025
|
Group One Trading, L.P.
Chicago, IL |
BUY
|
- |
28.8K+ 51.54% |
$292K - $497K
|
84.8K
$1.58M
|
|
|
Nov 13, 2025
Q3 2025
|
Quadrature Capital LTD
London, X0 |
BUY
|
- |
26.8KNew |
$271K - $461K
|
26.8K
$498K
|
|
|
Nov 06, 2025
Q3 2025
|
Versor Investments LP
|
BUY
|
- |
26.2KNew |
$265K - $452K
|
26.2K
$488K
|
|
|
Nov 10, 2025
Q3 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
BUY
|
- |
26.2K+ 55.24% |
$265K - $451K
|
73.5K
$1.37M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
22.3K+ 0.84% |
$226K - $384K
|
2.67M
$49.7M
|
|