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 |
|---|---|---|---|---|---|---|---|
|
Jan 09, 2026
Q4 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
1.23MNew |
$15.2M - $22.9M
|
1.23M
$22.9M
|
|
|
Jan 29, 2026
Q4 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
278K+ 3.94% |
$3.45M - $5.17M
|
7.34M
$137M
|
|
|
Jan 27, 2026
Q4 2025
|
Zurcher Kantonalbank (Zurich Cantonalbank)
Zurich, V8 |
BUY
|
- |
52.6K+ 245.07% |
$652K - $978K
|
74K
$1.38M
|
|
|
Jan 23, 2026
Q4 2025
|
Baillie Gifford & CO
|
BUY
|
- |
24.9K+ 2.22% |
$309K - $464K
|
1.15M
$21.3M
|
|
|
Jan 16, 2026
Q4 2025
|
Banque Pictet & Cie Sa
|
BUY
|
- |
22.2K+ 29.61% |
$276K - $413K
|
97.2K
$1.81M
|
|
|
Jan 26, 2026
Q4 2025
|
Greenwood Capital Associates LLC
Greenwood, SC |
BUY
|
- |
15.4KNew |
$190K - $286K
|
15.4K
$286K
|
|
|
Jan 05, 2026
Q4 2025
|
Park Avenue Securities LLC
|
BUY
|
- |
9.4KNew |
$117K - $175K
|
9.4K
$175K
|
|
|
Jan 27, 2026
Q4 2025
|
Bayforest Capital LTD
London, X0 |
BUY
|
- |
8.11K+ 42.05% |
$101K - $151K
|
27.4K
$510K
|
|
|
Jan 08, 2026
Q4 2025
|
Wealth Enhancement Advisory Services, LLC
|
BUY
|
- |
3.61K+ 23.94% |
$44.8K - $67.2K
|
18.7K
$348K
|
|
|
Jan 02, 2026
Q4 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
3.43K+ 308.09% |
$42.6K - $63.8K
|
4.54K
$84.5K
|
|
|
Jan 08, 2026
Q4 2025
|
180 Wealth Advisors, LLC
|
BUY
|
- |
3.05K+ 29.31% |
$37.8K - $56.7K
|
13.4K
$250K
|
|
|
Jan 26, 2026
Q4 2025
|
Cwm, LLC
|
BUY
|
- |
2.47K+ 11.22% |
$30.6K - $45.9K
|
24.4K
$455K
|
|
|
Jan 09, 2026
Q4 2025
|
Diversified Trust CO
|
BUY
|
- |
1.22K+ 6.65% |
$15.1K - $22.7K
|
19.6K
$364K
|
|
|
Jan 13, 2026
Q4 2025
|
Core Cap Advisors, LLC
Southfield, MI |
BUY
|
- |
1.16K+ 24.37% |
$14.4K - $21.6K
|
5.91K
$110K
|
|
|
Jan 28, 2026
Q4 2025
|
Klp Kapitalforvaltning As
Oslo, Q8 |
BUY
|
- |
1K+ 7.41% |
$12.4K - $18.6K
|
14.5K
$270K
|
|
|
Jan 23, 2026
Q4 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
BUY
|
- |
965+ 36.62% |
$12K - $18K
|
3.6K
$67K
|
|
|
Jan 23, 2026
Q4 2025
|
State Of Alaska, Department Of Revenue
|
BUY
|
- |
523+ 1.37% |
$6.49K - $9.73K
|
38.7K
$720K
|
|
|
Jan 15, 2026
Q4 2025
|
Nisa Investment Advisors, LLC
|
BUY
|
- |
440+ 49.16% |
$5.46K - $8.19K
|
1.34K
$24.8K
|
|
|
Jan 27, 2026
Q4 2025
|
First Horizon Corp
Memphis, TN |
BUY
|
- |
430+ 36.01% |
$5.34K - $8K
|
1.62K
$30.2K
|
|
|
Jan 29, 2026
Q4 2025
|
Torren Management, LLC
San Diego, CA |
BUY
|
- |
379New |
$4.7K - $7.05K
|
379
$7.05K
|
|
|
Jan 20, 2026
Q4 2025
|
Signaturefd, LLC
Atlanta, GA |
BUY
|
- |
115+ 49.57% |
$1.43K - $2.14K
|
347
$6.46K
|
|
|
Jan 15, 2026
Q4 2025
|
Fortitude Family Office, LLC
Scottsdale, AZ |
BUY
|
- |
97New |
$1.2K - $1.81K
|
97
$1.81K
|
|
|
Jan 07, 2026
Q4 2025
|
Massmutual Trust CO Fsb
|
BUY
|
- |
64New |
$794 - $1.19K
|
64
$1.19K
|
|
|
Jan 21, 2026
Q4 2025
|
Flagship Harbor Advisors, LLC
|
BUY
|
- |
49New |
$608 - $912
|
49
$912
|
|
|
Jan 08, 2026
Q4 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
49+ 14.94% |
$608 - $912
|
377
$7.02K
|
|
|
Jan 14, 2026
Q4 2025
|
Org Partners LLC
Roanoke, IN |
BUY
|
- |
40New |
$496 - $744
|
40
$744
|
|
|
Jan 08, 2026
Q4 2025
|
True Wealth Design, LLC
Akron, OH |
BUY
|
- |
23+ 52.27% |
$285 - $428
|
67
$1.25K
|
|
|
Jan 21, 2026
Q4 2025
|
Sjs Investment Consulting Inc.
Sylvania, OH |
BUY
|
- |
11New |
$137 - $205
|
11
$205
|
|
|
Jan 29, 2026
Q4 2025
|
Dunhill Financial, LLC
London, X0 |
BUY
|
- |
1New |
$12.4 - $18.6
|
1
$18.6
|
|
| Q3 2025 | |||||||
|
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
|
|
|
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 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 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
|
|