Bank of America
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Bank of America’s Tandem Diabetes Care TNDM Stock Holding History

Bank of America’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
Q2 		$5.96M Buy
395,054
+21,830
+6% +$381K ﹤0.01% 3429
2026
Q1 		$7.15M Sell
373,224
-329,279
-47% -$7.15M ﹤0.01% 3200
2025
Q4 		$15.4M Buy
702,503
+44,150
+7% +$797K ﹤0.01% 2508
2025
Q3 		$7.99M Buy
658,353
+112,849
+21% +$1.53M ﹤0.01% 3527
2025
Q2 		$10.2M Buy
545,504
+78,774
+17% +$1.56M ﹤0.01% 3208
2025
Q1 		$8.94M Buy
466,730
+149,024
+47% +$4.36M ﹤0.01% 3244
2024
Q4 		$11.4M Sell
317,706
-127,904
-29% -$4.33M ﹤0.01% 2813
2024
Q3 		$18.9M Sell
445,610
-187,261
-30% -$7.94M ﹤0.01% 2451
2024
Q2 		$25.5M Buy
632,871
+96,700
+18% +$4.03M ﹤0.01% 2013
2024
Q1 		$19M Buy
536,171
+453,299
+547% +$12.1M ﹤0.01% 2343
2023
Q4 		$2.45M Sell
82,872
-7,312
-8% -$152K ﹤0.01% 4205
2023
Q3 		$1.87M Buy
90,184
+5,049
+6% +$139K ﹤0.01% 4312
2023
Q2 		$2.09M Sell
85,135
-170,300
-67% -$5.48M ﹤0.01% 4195
2023
Q1 		$10.4M Buy
255,435
+139,463
+120% +$5.77M ﹤0.01% 2792
2022
Q4 		$5.21M Sell
115,972
-12,526
-10% -$567K ﹤0.01% 3349
2022
Q3 		$6.15M Sell
128,498
-95,317
-43% -$5.23M ﹤0.01% 3119
2022
Q2 		$13.2M Buy
223,815
+119,992
+116% +$9.85M ﹤0.01% 2395
2022
Q1 		$12.1M Sell
103,823
-17,942
-15% -$2.09M ﹤0.01% 2680
2021
Q4 		$18.3M Buy
121,765
+12,003
+11% +$1.62M ﹤0.01% 2302
2021
Q3 		$13.1M Buy
109,762
+3,991
+4% +$440K ﹤0.01% 2567
2021
Q2 		$10.3M Buy
105,771
+14,572
+16% +$1.3M ﹤0.01% 2825
2021
Q1 		$8.05M Buy
91,199
+7,703
+9% +$716K ﹤0.01% 2933
2020
Q4 		$7.99M Sell
83,496
-91,248
-52% -$9.4M ﹤0.01% 2716
2020
Q3 		$19.8M Buy
174,744
+2,881
+2% +$303K ﹤0.01% 1711
2020
Q2 		$17M Buy
171,863
+76,482
+80% +$6.1M ﹤0.01% 1741
2020
Q1 		$6.14M Sell
95,381
-9,148
-9% -$641K ﹤0.01% 2486
2019
Q4 		$6.23M Sell
104,529
-8,742
-8% -$539K ﹤0.01% 3032
2019
Q3 		$6.68M Sell
113,271
-12,888
-10% -$823K ﹤0.01% 2922
2019
Q2 		$8.14M Buy
126,159
+30,215
+31% +$1.95M ﹤0.01% 2768
2019
Q1 		$6.09M Sell
95,944
-25,507
-21% -$1.34M ﹤0.01% 2963
2018
Q4 		$4.61M Buy
121,451
+86,763
+250% +$3.06M ﹤0.01% 3077
2018
Q3 		$1.49M Buy
34,688
+28,752
+484% +$1M ﹤0.01% 4205
2018
Q2 		$130K Sell
5,936
-492
-8% -$6.05K ﹤0.01% 5659
2018
Q1 		$32K Buy
6,428
+6,407
+30,510% +$20.7K ﹤0.01% 6213
2017
Q4 		$0 Sell
21
-209
-91% -$656 ﹤0.01% 7254
2017
Q3 		$2K Sell
230
-49,605
-100% -$314K ﹤0.01% 6872
2017
Q2 		$399K Sell
49,835
-36,268
-42% -$335K ﹤0.01% 5013
2017
Q1 		$1.03M Buy
86,103
+40,446
+89% +$884K ﹤0.01% 4401
2016
Q4 		$982K Buy
45,657
+34,170
+297% +$1.31M ﹤0.01% 4356
2016
Q3 		$880K Buy
11,487
+10,858
+1,726% +$792K ﹤0.01% 4252
2016
Q2 		$47K Sell
629
-28,064
-98% -$2.26M ﹤0.01% 5856
2016
Q1 		$2.5M Buy
28,693
+1,594
+6% +$139K ﹤0.01% 3384
2015
Q4 		$3.2M Sell
27,099
-5,613
-17% -$557K ﹤0.01% 3377
2015
Q3 		$2.88M Buy
32,712
+26,775
+451% +$3.12M ﹤0.01% 3423
2015
Q2 		$644K Sell
5,937
-2,814
-32% -$350K ﹤0.01% 4501
2015
Q1 		$1.1M Sell
8,751
-1,202
-12% -$156K ﹤0.01% 3705
2014
Q4 		$1.26M Sell
9,953
-1,030
-9% -$143K ﹤0.01% 3844
2014
Q3 		$1.47M Buy
10,983
+1,858
+20% +$260K ﹤0.01% 3654
2014
Q2 		$1.48M Buy
9,125
+9,113
+75,942% +$1.55M ﹤0.01% 3638
2014
Q1 		$3K Sell
12
-51
-81% -$13K ﹤0.01% 7476
2013
Q4 		$16K Buy
+63
New +$14.4K ﹤0.01% 7123

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $627M AUM 43.41% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Bank of America's TNDM Position: Q2 2026 in Review

Bank of America increased its Tandem Diabetes Care (TNDM) stake by 5.8% in Q2 2026, buying an estimated $381K and bringing the position to 395,054 shares worth $5.96M. The position accounts for ﹤0.01% of the portfolio, ranked #3429.

Bank of America first reported a position in TNDM in Q4 2013 and has held it in 51 quarters since. The position peaked at $25.5M in Q2 2024. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Bank of America held 395,054 shares of Tandem Diabetes Care worth $5.96M as of Q2 2026.
  • Bank of America bought 21,830 Tandem Diabetes Care shares in Q2 2026, an estimated $381K.
  • Tandem Diabetes Care made up ﹤0.01% of Bank of America's portfolio in Q2 2026, its #3429 holding.
  • Bank of America first reported a position in Tandem Diabetes Care in Q4 2013 and has held it in 51 quarters since.
  • Bank of America's Tandem Diabetes Care position peaked at $25.5M in Q2 2024.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Bank of America's 13F filing for Q2 2026, filed 14 Aug 2026.