Federated Hermes
TNDM icon

Federated Hermes’s Tandem Diabetes Care TNDM Stock Holding History

Federated Hermes’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 		$2.37M Buy
123,819
+123,794
+495,176% +$2.69M ﹤0.01% 939
2025
Q4 		$550 Buy
+25
New +$451 ﹤0.01% 2045
2023
Q1 		– Sell
-10,236
Closed -$460K – 2259
2022
Q4 		$460K Sell
10,236
-653,104
-98% -$29.6M ﹤0.01% 1392
2022
Q3 		$31.7M Sell
663,340
-477,772
-42% -$26.2M 0.09% 277
2022
Q2 		$67.5M Sell
1,141,112
-59,482
-5% -$4.88M 0.18% 149
2022
Q1 		$140M Buy
1,200,594
+890
+0.1% +$104K 0.32% 77
2021
Q4 		$181M Buy
1,199,704
+40,966
+4% +$5.53M 0.34% 73
2021
Q3 		$138M Sell
1,158,738
-115,090
-9% -$12.7M 0.26% 100
2021
Q2 		$124M Buy
1,273,828
+28
+0% +$2.5K 0.23% 113
2021
Q1 		$112M Sell
1,273,800
-125
-0% -$11.6K 0.22% 128
2020
Q4 		$122M Sell
1,273,925
-30,809
-2% -$3.18M 0.25% 101
2020
Q3 		$148M Sell
1,304,734
-44,598
-3% -$4.69M 0.35% 63
2020
Q2 		$133M Sell
1,349,332
-77,569
-5% -$6.19M 0.33% 63
2020
Q1 		$91.8M Sell
1,426,901
-31,440
-2% -$2.2M 0.27% 80
2019
Q4 		$86.9M Sell
1,458,341
-55,992
-4% -$3.45M 0.19% 119
2019
Q3 		$89.3M Sell
1,514,333
-26,482
-2% -$1.69M 0.22% 103
2019
Q2 		$99.4M Sell
1,540,815
-60,262
-4% -$3.89M 0.24% 92
2019
Q1 		$102M Sell
1,601,077
-108,955
-6% -$5.72M 0.25% 81
2018
Q4 		$64.9M Buy
1,710,032
+101,631
+6% +$3.59M 0.18% 119
2018
Q3 		$68.9M Sell
1,608,401
-1,048,099
-39% -$36.6M 0.16% 143
2018
Q2 		$58.5M Buy
2,656,500
+406,224
+18% +$5M 0.17% 117
2018
Q1 		$11.2M Buy
2,250,276
+2,249,961
+714,273% +$7.25M 0.03% 397
2017
Q4 		$1K Sell
315
-143
-31% -$449 ﹤0.01% 2131
2017
Q3 		$3K Sell
458
-267
-37% -$1.69K ﹤0.01% 2026
2017
Q2 		$6K Buy
725
+32
+5% +$296 ﹤0.01% 1923
2017
Q1 		$8K Buy
693
+468
+208% +$10.2K ﹤0.01% 1860
2016
Q4 		$5K Buy
+225
New +$8.66K ﹤0.01% 1940

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

Federated Hermes's TNDM Position: Q1 2026 in Review

Federated Hermes increased its Tandem Diabetes Care (TNDM) stake by 495,176% in Q1 2026, buying an estimated $2.69M and bringing the position to 123,819 shares worth $2.37M. The position accounts for ﹤0.01% of the portfolio, ranked #939.

Federated Hermes first reported a position in TNDM in Q4 2016 and has held it in 27 quarters since. The position peaked at $181M in Q4 2021. 272 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • Federated Hermes held 123,819 shares of Tandem Diabetes Care worth $2.37M as of Q1 2026.
  • Federated Hermes bought 123,794 Tandem Diabetes Care shares in Q1 2026, an estimated $2.69M.
  • Tandem Diabetes Care made up ﹤0.01% of Federated Hermes's portfolio in Q1 2026, its #939 holding.
  • Federated Hermes first reported a position in Tandem Diabetes Care in Q4 2016 and has held it in 27 quarters since.
  • Federated Hermes's Tandem Diabetes Care position peaked at $181M in Q4 2021.
  • 272 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on Federated Hermes's 13F filing for Q1 2026, filed 11 May 2026.