Ameritas Investment Partners
TNDM icon

Ameritas Investment Partners’s Tandem Diabetes Care TNDM Stock Holding History

Ameritas Investment Partners’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 		$95.7K Buy
6,340
+754
+13% +$13.2K ﹤0.01% 1866
2026
Q1 		$107K Hold
5,586
– – ﹤0.01% 1655
2025
Q4 		$123K Hold
5,586
– – ﹤0.01% 1575
2025
Q3 		$67.8K Sell
5,586
-1,284
-19% -$17.4K ﹤0.01% 1924
2025
Q2 		$128K Hold
6,870
– – ﹤0.01% 1584
2025
Q1 		$132K Hold
6,870
– – ﹤0.01% 1523
2024
Q4 		$247K Buy
6,870
+525
+8% +$17.8K 0.01% 1197
2024
Q3 		$269K Hold
6,345
– – 0.01% 1139
2024
Q2 		$256K Buy
+6,345
New +$265K 0.01% 1105
2023
Q1 		– Sell
-16,714
Closed -$698K – 3024
2022
Q4 		$698K Hold
16,714
– – 0.03% 698
2022
Q3 		$799K Sell
16,714
-273
-2% -$15K 0.04% 601
2022
Q2 		$1M Hold
16,987
– – 0.04% 528
2022
Q1 		$1.98M Hold
16,987
– – 0.07% 319
2021
Q4 		$2.56M Buy
16,987
+291
+2% +$39.3K 0.09% 251
2021
Q3 		$1.99M Buy
+16,696
New +$1.84M 0.07% 306
2020
Q2 		– Sell
-4,916
Closed -$316K – 3134
2020
Q1 		$316K Buy
4,916
+11
+0.2% +$771 0.02% 759
2019
Q4 		$292K Buy
4,905
+174
+4% +$10.7K 0.01% 903
2019
Q3 		$279K Hold
4,731
– – 0.01% 901
2019
Q2 		$305K Buy
4,731
+594
+14% +$38.3K 0.01% 872
2019
Q1 		$263K Hold
4,137
– – 0.01% 912
2018
Q4 		$157K Hold
4,137
– – 0.01% 1097
2018
Q3 		$177K Buy
4,137
+476
+13% +$16.6K 0.01% 1166
2018
Q2 		$81K Buy
+3,661
New +$45K ﹤0.01% 1673
2017
Q2 		– Sell
-81
Closed -$1K – 3043
2017
Q1 		$1K Buy
+81
New +$1.77K ﹤0.01% 2940

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Sessa Capital
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
First Light Asset Management
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
GW&K Investment Management
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
Paradice Investment Management
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

Ameritas Investment Partners's TNDM Position: Q2 2026 in Review

Ameritas Investment Partners increased its Tandem Diabetes Care (TNDM) stake by 13% in Q2 2026, buying an estimated $13.2K and bringing the position to 6,340 shares worth $95.7K. The position accounts for ﹤0.01% of the portfolio, ranked #1866.

Ameritas Investment Partners first reported a position in TNDM in Q1 2017 and has held it in 24 quarters since. The position peaked at $2.56M in Q4 2021. 274 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Ameritas Investment Partners held 6,340 shares of Tandem Diabetes Care worth $95.7K as of Q2 2026.
  • Ameritas Investment Partners bought 754 Tandem Diabetes Care shares in Q2 2026, an estimated $13.2K.
  • Tandem Diabetes Care made up ﹤0.01% of Ameritas Investment Partners's portfolio in Q2 2026, its #1866 holding.
  • Ameritas Investment Partners first reported a position in Tandem Diabetes Care in Q1 2017 and has held it in 24 quarters since.
  • Ameritas Investment Partners's Tandem Diabetes Care position peaked at $2.56M in Q4 2021.
  • 274 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Ameritas Investment Partners's 13F filing for Q2 2026, filed 13 Aug 2026.