Amundi
TNDM icon

Amundi’s Tandem Diabetes Care TNDM Stock Holding History

Amundi’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 		$242K Sell
12,615
-16,830
-57% -$366K ﹤0.01% 1819
2025
Q4 		$647K Buy
29,445
+18,423
+167% +$332K ﹤0.01% 1386
2025
Q3 		$165K Hold
11,022
– – ﹤0.01% 1559
2025
Q2 		$188K Sell
11,022
-14,162
-56% -$280K ﹤0.01% 1620
2025
Q1 		$445K Sell
25,184
-44,687
-64% -$1.31M ﹤0.01% 1517
2024
Q4 		$2.62M Buy
69,871
+20,970
+43% +$709K ﹤0.01% 1119
2024
Q3 		$1.95M Buy
48,901
+532
+1% +$22.6K ﹤0.01% 1164
2024
Q2 		$1.93M Sell
48,369
-19,979
-29% -$834K ﹤0.01% 1114
2024
Q1 		$2.11M Buy
+68,348
New +$1.83M ﹤0.01% 1145
2023
Q3 		– Sell
-73,446
Closed -$1.81M – 2064
2023
Q2 		$1.81M Sell
73,446
-107,875
-59% -$3.47M ﹤0.01% 1177
2023
Q1 		$7.46M Buy
181,321
+26,326
+17% +$1.09M ﹤0.01% 911
2022
Q4 		$6.51M Buy
154,995
+21,420
+16% +$970K ﹤0.01% 945
2022
Q3 		$6.97M Sell
133,575
-8,645
-6% -$474K ﹤0.01% 900
2022
Q2 		$7.62M Sell
142,220
-11,699
-8% -$960K 0.01% 830
2022
Q1 		$18.9M Buy
153,919
+24,390
+19% +$2.85M 0.01% 682
2021
Q4 		$16.1M Sell
129,529
-274,033
-68% -$37M 0.01% 733
2021
Q3 		$48.2M Sell
403,562
-73,952
-15% -$8.15M 0.03% 456
2021
Q2 		$46.5M Buy
+477,514
New +$42.6M 0.03% 459

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

Amundi's TNDM Position: Q1 2026 in Review

Amundi reduced its Tandem Diabetes Care (TNDM) stake by 57% in Q1 2026, selling an estimated $366K and leaving 12,615 shares worth $242K. The position accounts for ﹤0.01% of the portfolio, ranked #1819.

Amundi first reported a position in TNDM in Q2 2021 and has held it in 18 quarters since. The position peaked at $48.2M in Q3 2021. 272 funds tracked by Wall St. Rank hold TNDM as of Q1 2026.

  • Amundi held 12,615 shares of Tandem Diabetes Care worth $242K as of Q1 2026.
  • Amundi sold 16,830 Tandem Diabetes Care shares in Q1 2026, an estimated $366K.
  • Tandem Diabetes Care made up ﹤0.01% of Amundi's portfolio in Q1 2026, its #1819 holding.
  • Amundi first reported a position in Tandem Diabetes Care in Q2 2021 and has held it in 18 quarters since.
  • Amundi's Tandem Diabetes Care position peaked at $48.2M in Q3 2021.
  • 272 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2026.

Based on Amundi's 13F filing for Q1 2026, filed 18 May 2026.