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Virtu Financial’s Tandem Diabetes Care TNDM Stock Holding History

Virtu Financial’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
2025
Q3 		– Sell
-10,138
Closed -$189K – 2095
2025
Q2 		$189K Buy
+10,138
New +$201K 0.01% 935
2022
Q1 		– Sell
-6,877
Closed -$1.03M – 2034
2021
Q4 		$1.03M Buy
+6,877
New +$928K 0.11% 186
2020
Q4 		– Sell
-8,622
Closed -$979K – 1797
2020
Q3 		$979K Buy
+8,622
New +$906K 0.17% 126
2019
Q4 		– Sell
-5,095
Closed -$301K – 1850
2019
Q3 		$301K Buy
5,095
+162
+3% +$10.3K 0.02% 756
2019
Q2 		$318K Sell
4,933
-2,867
-37% -$185K 0.02% 760
2019
Q1 		$495K Buy
+7,800
New +$410K 0.03% 567
2018
Q1 		– Sell
-27,308
Closed -$64K – 2601
2017
Q4 		$64K Buy
27,308
+17,351
+174% +$54.5K ﹤0.01% 2029
2017
Q3 		$73K Buy
+9,957
New +$63K ﹤0.01% 2152

Other funds holding TNDM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SC
Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return
ACH
ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 1-Year Est. Return
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
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $532M AUM 29.6% 1-Year Est. Return
FGP
Freestone Grove Partners San Francisco, California $14.2B AUM 24.58% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Virtu Financial's TNDM Position: Q3 2025 in Review

Virtu Financial sold out of Tandem Diabetes Care (TNDM) in Q3 2025, closing a stake of 10,138 shares — an estimated $189K sold.

Virtu Financial first reported a position in TNDM in Q3 2017 and held it in 8 quarters. The position peaked at $1.03M in Q4 2021. 255 funds tracked by Wall St. Rank hold TNDM as of Q3 2025.

  • Virtu Financial reported no remaining Tandem Diabetes Care position as of Q3 2025 after selling out during the quarter.
  • Virtu Financial sold 10,138 Tandem Diabetes Care shares in Q3 2025, an estimated $189K.
  • Virtu Financial first reported a position in Tandem Diabetes Care in Q3 2017 and held it in 8 quarters.
  • Virtu Financial's Tandem Diabetes Care position peaked at $1.03M in Q4 2021.
  • 255 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q3 2025.

Based on Virtu Financial's 13F filing for Q3 2025, filed 14 Nov 2025.