Comerica Bank
TNDM icon

Comerica Bank’s Tandem Diabetes Care TNDM Stock Holding History

Comerica Bank’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
2025
Q4 		$471K Sell
21,445
-4,104
-16% -$74.1K ﹤0.01% 1889
2025
Q3 		$310K Sell
25,549
-4,005
-14% -$54.2K ﹤0.01% 2133
2025
Q2 		$551K Sell
29,554
-138
-0.5% -$2.73K ﹤0.01% 1825
2025
Q1 		$569K Buy
29,692
+1,739
+6% +$50.9K ﹤0.01% 1784
2024
Q4 		$1.01M Buy
27,953
+167
+0.6% +$5.65K ﹤0.01% 1525
2024
Q3 		$1.18M Sell
27,786
-116
-0.4% -$4.92K ﹤0.01% 1450
2024
Q2 		$1.12M Sell
27,902
-3,140
-10% -$131K ﹤0.01% 1425
2024
Q1 		$1.1M Sell
31,042
-3,322
-10% -$89K ﹤0.01% 1487
2023
Q4 		$1.02M Buy
34,364
+4,520
+15% +$93.8K ﹤0.01% 1528
2023
Q3 		$620K Buy
+29,844
New +$820K ﹤0.01% 1682
2022
Q4 		$1.21M Sell
28,293
-635
-2% -$28.7K 0.01% 1352
2022
Q3 		$1.59M Sell
28,928
-311
-1% -$17.1K 0.01% 1193
2022
Q2 		$1.7M Buy
29,239
+217
+0.7% +$17.8K 0.01% 1211
2022
Q1 		$3.38M Buy
29,022
+340
+1% +$39.7K 0.02% 801
2021
Q4 		$3.36M Buy
28,682
+125
+0.4% +$16.9K 0.02% 801
2021
Q3 		$3.63M Buy
+28,557
New +$3.15M 0.02% 878
2021
Q2 		– Sell
-8,903
Closed -$845K – 2362
2021
Q1 		$845K Sell
8,903
-37
-0.4% -$3.44K 0.01% 1836
2020
Q4 		$882K Sell
8,940
-462
-5% -$47.6K 0.01% 1788
2020
Q3 		$1.08M Sell
9,402
-4,267
-31% -$448K 0.01% 1511
2020
Q2 		$1.41M Sell
13,669
-713
-5% -$56.9K 0.01% 1309
2020
Q1 		$1.07M Sell
14,382
-525
-4% -$36.8K 0.01% 1298
2019
Q4 		$1.1M Sell
14,907
-656
-4% -$40.5K 0.01% 1497
2019
Q3 		$982K Sell
15,563
-135
-0.9% -$8.62K 0.01% 1533
2019
Q2 		$986K Sell
15,698
-920
-6% -$59.4K 0.01% 1544
2019
Q1 		$1.07M Buy
+16,618
New +$873K 0.01% 1531
2018
Q4 		– Sell
-5,735
Closed -$209K – 2296
2018
Q3 		$209K Buy
+5,735
New +$200K ﹤0.01% 2176

Other funds holding TNDM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
ACH
ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $532M AUM 29.6% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return

Comerica Bank's TNDM Position: Q4 2025 in Review

Comerica Bank reduced its Tandem Diabetes Care (TNDM) stake by 16% in Q4 2025, selling an estimated $74.1K and leaving 21,445 shares worth $471K. The position accounts for ﹤0.01% of the portfolio, ranked #1889.

Comerica Bank first reported a position in TNDM in Q3 2018 and has held it in 26 quarters since. The position peaked at $3.63M in Q3 2021. 268 funds tracked by Wall St. Rank hold TNDM as of Q4 2025.

  • Comerica Bank held 21,445 shares of Tandem Diabetes Care worth $471K as of Q4 2025.
  • Comerica Bank sold 4,104 Tandem Diabetes Care shares in Q4 2025, an estimated $74.1K.
  • Tandem Diabetes Care made up ﹤0.01% of Comerica Bank's portfolio in Q4 2025, its #1889 holding.
  • Comerica Bank first reported a position in Tandem Diabetes Care in Q3 2018 and has held it in 26 quarters since.
  • Comerica Bank's Tandem Diabetes Care position peaked at $3.63M in Q3 2021.
  • 268 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q4 2025.

Based on Comerica Bank's 13F filing for Q4 2025, filed 29 Jan 2026.