Geode Capital Management
TNDM icon

Geode Capital Management’s Tandem Diabetes Care TNDM Stock Holding History

Geode Capital Management’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
Q1 		$32.2M Buy
1,679,863
+30,480
+2% +$662K ﹤0.01% 1734
2025
Q4 		$36.3M Buy
1,649,383
+51,102
+3% +$922K ﹤0.01% 1675
2025
Q3 		$19.4M Sell
1,598,281
-8,055
-0.5% -$109K ﹤0.01% 2017
2025
Q2 		$29.9M Buy
1,606,336
+49,126
+3% +$973K ﹤0.01% 1737
2025
Q1 		$29.8M Buy
1,557,210
+23,382
+2% +$684K ﹤0.01% 1677
2024
Q4 		$55.3M Buy
1,533,828
+8,012
+0.5% +$271K ﹤0.01% 1373
2024
Q3 		$64.7M Buy
1,525,816
+18,187
+1% +$771K 0.01% 1267
2024
Q2 		$60.8M Buy
1,507,629
+431,532
+40% +$18M 0.01% 1225
2024
Q1 		$38.1M Buy
1,076,097
+36,410
+4% +$976K ﹤0.01% 1532
2023
Q4 		$30.8M Buy
1,039,687
+40,376
+4% +$838K ﹤0.01% 1656
2023
Q3 		$20.8M Buy
999,311
+25,959
+3% +$713K ﹤0.01% 1796
2023
Q2 		$23.9M Buy
973,352
+36,675
+4% +$1.18M ﹤0.01% 1731
2023
Q1 		$38M Buy
936,677
+22,309
+2% +$924K ﹤0.01% 1375
2022
Q4 		$41.1M Buy
914,368
+48,375
+6% +$2.19M 0.01% 1289
2022
Q3 		$41.4M Buy
865,993
+11,062
+1% +$606K 0.01% 1219
2022
Q2 		$50.6M Buy
854,931
+688
+0.1% +$56.5K 0.01% 1109
2022
Q1 		$99.3M Buy
854,243
+30,445
+4% +$3.55M 0.01% 784
2021
Q4 		$124M Buy
823,798
+22,743
+3% +$3.07M 0.01% 714
2021
Q3 		$95.6M Buy
801,055
+11,050
+1% +$1.22M 0.01% 829
2021
Q2 		$76.9M Buy
790,005
+12,672
+2% +$1.13M 0.01% 960
2021
Q1 		$68.6M Buy
777,333
+31,160
+4% +$2.9M 0.01% 981
2020
Q4 		$71.4M Buy
746,173
+58,692
+9% +$6.05M 0.01% 870
2020
Q3 		$78M Sell
687,481
-6,690
-1% -$703K 0.02% 699
2020
Q2 		$68.7M Sell
694,171
-193,489
-22% -$15.4M 0.01% 715
2020
Q1 		$57.1M Buy
887,660
+8,173
+0.9% +$573K 0.01% 699
2019
Q4 		$52.4M Sell
879,487
-21,395
-2% -$1.32M 0.01% 912
2019
Q3 		$53.1M Buy
900,882
+63,344
+8% +$4.04M 0.01% 844
2019
Q2 		$54M Buy
837,538
+115,899
+16% +$7.48M 0.01% 825
2019
Q1 		$45.8M Buy
721,639
+74,045
+11% +$3.89M 0.01% 887
2018
Q4 		$24.6M Buy
647,594
+61,922
+11% +$2.19M 0.01% 1146
2018
Q3 		$25.1M Buy
585,672
+186,134
+47% +$6.5M 0.01% 1239
2018
Q2 		$8.8M Buy
399,538
+144,887
+57% +$1.78M ﹤0.01% 1971
2018
Q1 		$1.26M Buy
254,651
+237,655
+1,398% +$766K ﹤0.01% 3008
2017
Q4 		$40K Sell
16,996
-1,060
-6% -$3.33K ﹤0.01% 3947
2017
Q3 		$131K Hold
18,056
– – ﹤0.01% 3768
2017
Q2 		$144K Buy
18,056
+2,515
+16% +$23.2K ﹤0.01% 3775
2017
Q1 		$186K Buy
15,541
+867
+6% +$19K ﹤0.01% 3681
2016
Q4 		$315K Buy
14,674
+106
+0.7% +$4.08K ﹤0.01% 3434
2016
Q3 		$1.11M Buy
14,568
+199
+1% +$14.5K ﹤0.01% 2882
2016
Q2 		$1.08M Buy
14,369
+1,062
+8% +$85.5K ﹤0.01% 2859
2016
Q1 		$1.16K Buy
13,307
+365
+3% +$31.9K ﹤0.01% 2803
2015
Q4 		$1.53M Buy
12,942
+105
+0.8% +$10.4K ﹤0.01% 2640
2015
Q3 		$1.13M Buy
12,837
+246
+2% +$28.6K ﹤0.01% 2799
2015
Q2 		$1.36M Buy
12,591
+1,704
+16% +$212K ﹤0.01% 2736
2015
Q1 		$1.37M Buy
10,887
+4,773
+78% +$621K ﹤0.01% 2687
2014
Q4 		$776K Buy
6,114
+181
+3% +$25.1K ﹤0.01% 2985
2014
Q3 		$796K Buy
5,933
+618
+12% +$86.5K ﹤0.01% 2924
2014
Q2 		$864K Sell
5,315
-35
-0.7% -$5.96K ﹤0.01% 2881
2014
Q1 		$1.18M Buy
5,350
+1,360
+34% +$347K ﹤0.01% 2678
2013
Q4 		$1.03M Buy
+3,990
New +$913K ﹤0.01% 2694

Other funds holding TNDM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
ACH
ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Geode Capital Management's TNDM Position: Q1 2026 in Review

Geode Capital Management increased its Tandem Diabetes Care (TNDM) stake by 1.8% in Q1 2026, buying an estimated $662K and bringing the position to 1,679,863 shares worth $32.2M. The position accounts for ﹤0.01% of the portfolio, ranked #1734.

Geode Capital Management first reported a position in TNDM in Q4 2013 and has held it in 50 quarters since. The position peaked at $124M in Q4 2021. 272 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • Geode Capital Management held 1,679,863 shares of Tandem Diabetes Care worth $32.2M as of Q1 2026.
  • Geode Capital Management bought 30,480 Tandem Diabetes Care shares in Q1 2026, an estimated $662K.
  • Tandem Diabetes Care made up ﹤0.01% of Geode Capital Management's portfolio in Q1 2026, its #1734 holding.
  • Geode Capital Management first reported a position in Tandem Diabetes Care in Q4 2013 and has held it in 50 quarters since.
  • Geode Capital Management's Tandem Diabetes Care position peaked at $124M in Q4 2021.
  • 272 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on Geode Capital Management's 13F filing for Q1 2026, filed 15 May 2026.