Rockefeller Capital Management
TNDM icon

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

Rockefeller 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
Q2 		$3.92K Sell
260
-173
-40% -$3.02K ﹤0.01% 4300
2026
Q1 		$8.3K Sell
433
-194
-31% -$4.21K ﹤0.01% 4072
2025
Q4 		$13.8K Buy
627
+225
+56% +$4.06K ﹤0.01% 3671
2025
Q3 		$4.88K Buy
+402
New +$5.44K ﹤0.01% 3877
2023
Q1 		– Sell
-1,172
Closed -$52K – 3722
2022
Q4 		$52K Sell
1,172
-101
-8% -$4.57K ﹤0.01% 2366
2022
Q3 		$60K Buy
1,273
+1,142
+872% +$62.6K ﹤0.01% 2252
2022
Q2 		$7K Buy
131
+29
+28% +$2.38K ﹤0.01% 3325
2022
Q1 		$11K Sell
102
-2
-2% -$233 ﹤0.01% 3010
2021
Q4 		$15K Buy
104
+2
+2% +$270 ﹤0.01% 2793
2021
Q3 		$12K Buy
102
+2
+2% +$220 ﹤0.01% 2813
2021
Q2 		$9K Sell
100
-4
-4% -$357 ﹤0.01% 2826
2021
Q1 		$9K Sell
104
-14
-12% -$1.3K ﹤0.01% 2655
2020
Q4 		$11K Sell
118
-19,101
-99% -$1.97M ﹤0.01% 2213
2020
Q3 		$2.18M Sell
19,219
-11,186
-37% -$1.18M 0.02% 401
2020
Q2 		$3.01M Sell
30,405
-467
-2% -$37.3K 0.03% 317
2020
Q1 		$1.99M Buy
30,872
+27,088
+716% +$1.9M 0.03% 338
2019
Q4 		$226K Buy
3,784
+1,904
+101% +$117K ﹤0.01% 741
2019
Q3 		$111K Sell
1,880
-46
-2% -$2.94K ﹤0.01% 773
2019
Q2 		$124K Hold
1,926
– – ﹤0.01% 649
2019
Q1 		$122K Buy
+1,926
New +$101K ﹤0.01% 710

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 $3.38T AUM 44.17% 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

Rockefeller Capital Management's TNDM Position: Q2 2026 in Review

Rockefeller Capital Management reduced its Tandem Diabetes Care (TNDM) stake by 40% in Q2 2026, selling an estimated $3.02K and leaving 260 shares worth $3.92K. The position accounts for ﹤0.01% of the portfolio, ranked #4300.

Rockefeller Capital Management first reported a position in TNDM in Q1 2019 and has held it in 20 quarters since. The position peaked at $3.01M in Q2 2020. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Rockefeller Capital Management held 260 shares of Tandem Diabetes Care worth $3.92K as of Q2 2026.
  • Rockefeller Capital Management sold 173 Tandem Diabetes Care shares in Q2 2026, an estimated $3.02K.
  • Tandem Diabetes Care made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q2 2026, its #4300 holding.
  • Rockefeller Capital Management first reported a position in Tandem Diabetes Care in Q1 2019 and has held it in 20 quarters since.
  • Rockefeller Capital Management's Tandem Diabetes Care position peaked at $3.01M in Q2 2020.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Rockefeller Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.