GI
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GAMMA Investing’s Tandem Diabetes Care TNDM Stock Holding History

GAMMA Investing’s Portfolio TNDM Stock Details TNDM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$26.2K Sell
1,605
-39
-2% -$732 ﹤0.01% 2776
2026
Q2 		$24.8K Sell
1,644
-1,858
-53% -$32.4K ﹤0.01% 2723
2026
Q1 		$67.1K Sell
3,502
-1,040
-23% -$22.6K ﹤0.01% 1964
2025
Q4 		$99.8K Buy
4,542
+3,429
+308% +$61.9K 0.01% 1580
2025
Q3 		$13.5K Sell
1,113
-508
-31% -$6.88K ﹤0.01% 2717
2025
Q2 		$30.2K Sell
1,621
-581
-26% -$11.5K ﹤0.01% 2245
2025
Q1 		$42.2K Sell
2,202
-2,685
-55% -$78.6K ﹤0.01% 1915
2024
Q4 		$176K Sell
4,887
-118
-2% -$3.99K 0.02% 762
2024
Q3 		$212K Buy
5,005
+729
+17% +$30.9K 0.02% 597
2024
Q2 		$172K Buy
4,276
+431
+11% +$18K 0.02% 551
2024
Q1 		$136K Buy
3,845
+1,375
+56% +$36.8K 0.03% 528
2023
Q4 		$56.3K Buy
+2,470
New +$51.2K 0.02% 828

Other funds holding TNDM

CA
CoreCap Advisors Southfield, Michigan $3.48B AUM 21.43% 1-Year Est. Return
VCM
Versant Capital Management Phoenix, Arizona $1.17B AUM 28.44% 1-Year Est. Return
MPWT
MassMutual Private Wealth & Trust Windsor, Connecticut $3.79B AUM 19.33% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return
TFA
Toth Financial Advisory Leesburg, Virginia $1B AUM 19.18% 1-Year Est. Return
EB
Eastern Bank Boston, Massachusetts $6.58B AUM 23.57% 1-Year Est. Return
GWM
Gilpin Wealth Management Denver, Colorado $148M AUM 25.13% 1-Year Est. Return
DCM
Davis Capital Management Jacksonville, Florida $167M AUM 17.17% 1-Year Est. Return

GAMMA Investing's TNDM Position: Q3 2026 in Review

GAMMA Investing reduced its Tandem Diabetes Care (TNDM) stake by 2.4% in Q3 2026, selling an estimated $732 and leaving 1,605 shares worth $26.2K. The position accounts for ﹤0.01% of the portfolio, ranked #2776.

GAMMA Investing first reported a position in TNDM in Q4 2023 and has held it in 12 quarters since. The position peaked at $212K in Q3 2024. 9 funds tracked by Wall St. Rank hold TNDM as of Q3 2026.

  • GAMMA Investing held 1,605 shares of Tandem Diabetes Care worth $26.2K as of Q3 2026.
  • GAMMA Investing sold 39 Tandem Diabetes Care shares in Q3 2026, an estimated $732.
  • Tandem Diabetes Care made up ﹤0.01% of GAMMA Investing's portfolio in Q3 2026, its #2776 holding.
  • GAMMA Investing first reported a position in Tandem Diabetes Care in Q4 2023 and has held it in 12 quarters since.
  • GAMMA Investing's Tandem Diabetes Care position peaked at $212K in Q3 2024.
  • 9 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q3 2026.

Based on GAMMA Investing's 13F filing for Q3 2026, filed 8 Oct 2026.