Westfield Capital Management
TNDM icon

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

Westfield 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
2022
Q4 		– Sell
-421,743
Closed -$20.2M – 257
2022
Q3 		$20.2M Sell
421,743
-6,095
-1% -$334K 0.16% 167
2022
Q2 		$25.3M Buy
427,838
+83,795
+24% +$6.88M 0.2% 153
2022
Q1 		$40M Buy
344,043
+22,053
+7% +$2.57M 0.26% 130
2021
Q4 		$48.5M Sell
321,990
-9,037
-3% -$1.22M 0.29% 114
2021
Q3 		$39.5M Sell
331,027
-64,954
-16% -$7.16M 0.24% 141
2021
Q2 		$38.6M Sell
395,981
-20,468
-5% -$1.83M 0.23% 143
2021
Q1 		$36.8M Buy
416,449
+36,017
+9% +$3.35M 0.23% 134
2020
Q4 		$36.4M Buy
380,432
+130,862
+52% +$13.5M 0.22% 145
2020
Q3 		$28.3M Sell
249,570
-13,863
-5% -$1.46M 0.18% 152
2020
Q2 		$26.1M Sell
263,433
-36,207
-12% -$2.89M 0.18% 145
2020
Q1 		$19.3M Buy
299,640
+291,120
+3,417% +$20.4M 0.17% 145
2019
Q4 		$508K Buy
8,520
+66
+0.8% +$4.07K ﹤0.01% 224
2019
Q3 		$499K Buy
8,454
+254
+3% +$16.2K ﹤0.01% 224
2019
Q2 		$529K Buy
8,200
+4,000
+95% +$258K ﹤0.01% 229
2019
Q1 		$267K Buy
+4,200
New +$221K ﹤0.01% 243
2018
Q2 		– Sell
-76,300
Closed -$378K – 270
2018
Q1 		$378K Buy
+76,300
New +$246K ﹤0.01% 239
2016
Q3 		– Sell
-68,559
Closed -$5.17M – 275
2016
Q2 		$5.17M Sell
68,559
-22,558
-25% -$1.82M 0.04% 221
2016
Q1 		$7.94M Sell
91,117
-21,411
-19% -$1.87M 0.06% 196
2015
Q4 		$13.3M Buy
112,528
+3,568
+3% +$354K 0.09% 196
2015
Q3 		$9.6M Buy
108,960
+7,387
+7% +$860K 0.07% 192
2015
Q2 		$11M Buy
101,573
+24,217
+31% +$3.01M 0.07% 211
2015
Q1 		$9.76M Buy
77,356
+68,485
+772% +$8.91M 0.06% 233
2014
Q4 		$1.13M Buy
+8,871
New +$1.23M 0.01% 277

Other funds holding TNDM

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
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
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
CIP
Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return
EC
Eminence Capital New York $4.36B AUM 3.1% 1-Year Est. Return
BCM
Brown Capital Management Baltimore, Maryland $704M AUM 6.25% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Westfield Capital Management's TNDM Position: Q4 2022 in Review

Westfield Capital Management sold out of Tandem Diabetes Care (TNDM) in Q4 2022, closing a stake of 421,743 shares — an estimated $20.2M sold.

Westfield Capital Management first reported a position in TNDM in Q4 2014 and held it in 23 quarters. The position peaked at $48.5M in Q4 2021. 295 funds tracked by Wall St. Rank hold TNDM as of Q4 2022.

  • Westfield Capital Management reported no remaining Tandem Diabetes Care position as of Q4 2022 after selling out during the quarter.
  • Westfield Capital Management sold 421,743 Tandem Diabetes Care shares in Q4 2022, an estimated $20.2M.
  • Westfield Capital Management first reported a position in Tandem Diabetes Care in Q4 2014 and held it in 23 quarters.
  • Westfield Capital Management's Tandem Diabetes Care position peaked at $48.5M in Q4 2021.
  • 295 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q4 2022.

Based on Westfield Capital Management's 13F filing for Q4 2022, filed 13 Feb 2023.