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Hood River Capital Management’s Tandem Diabetes Care TNDM Stock Holding History

Hood River 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
2025
Q4 		– Sell
-2,551,644
Closed -$31M – 191
2025
Q3 		$31M Sell
2,551,644
-13,334
-0.5% -$180K 0.37% 84
2025
Q2 		$47.8M Buy
2,564,978
+252,934
+11% +$5.01M 0.67% 53
2025
Q1 		$44.3M Buy
2,312,044
+1,033,997
+81% +$30.3M 0.76% 56
2024
Q4 		$46M Buy
+1,278,047
New +$43.2M 0.68% 60
2022
Q3 		– Sell
-382,658
Closed -$22.6M – 140
2022
Q2 		$22.6M Buy
382,658
+93,940
+33% +$7.71M 0.9% 42
2022
Q1 		$33.6M Buy
288,718
+8,823
+3% +$1.03M 1.12% 31
2021
Q4 		$42.1M Buy
+279,895
New +$37.8M 1.26% 26
2020
Q4 		– Sell
-370,127
Closed -$42M – 122
2020
Q3 		$42M Sell
370,127
-37,451
-9% -$3.93M 1.82% 15
2020
Q2 		$40.3M Sell
407,578
-14,948
-4% -$1.19M 1.81% 14
2020
Q1 		$27.2M Buy
422,526
+82,763
+24% +$5.8M 1.55% 18
2019
Q4 		$20.3M Buy
339,763
+54,552
+19% +$3.36M 0.87% 52
2019
Q3 		$16.8M Buy
285,211
+1,736
+0.6% +$111K 0.86% 50
2019
Q2 		$18.3M Sell
283,475
-70,233
-20% -$4.53M 0.86% 52
2019
Q1 		$22.5M Sell
353,708
-100,660
-22% -$5.29M 1.13% 35
2018
Q4 		$17.3M Buy
454,368
+5,678
+1% +$201K 1.02% 43
2018
Q3 		$19.2M Buy
+448,690
New +$15.7M 0.85% 53
2016
Q4 		– Sell
-59,328
Closed -$4.54M – 103
2016
Q3 		$4.54M Buy
59,328
+6,441
+12% +$470K 0.47% 74
2016
Q2 		$3.99M Buy
52,887
+1,254
+2% +$101K 0.53% 68
2016
Q1 		$4.5M Sell
51,633
-705
-1% -$61.7K 0.6% 71
2015
Q4 		$6.18M Buy
52,338
+3,153
+6% +$313K 0.79% 56
2015
Q3 		$4.33M Buy
49,185
+16,279
+49% +$1.89M 0.6% 64
2015
Q2 		$3.57M Buy
32,906
+188
+0.6% +$23.4K 0.44% 76
2015
Q1 		$4.13M Buy
32,718
+6,385
+24% +$830K 0.51% 73
2014
Q4 		$3.34M Sell
26,333
-98
-0.4% -$13.6K 0.42% 80
2014
Q3 		$3.55M Buy
+26,431
New +$3.7M 0.49% 77

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
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $532M AUM 29.6% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return

Hood River Capital Management's TNDM Position: Q4 2025 in Review

Hood River Capital Management sold out of Tandem Diabetes Care (TNDM) in Q4 2025, closing a stake of 2,551,644 shares — an estimated $31M sold.

Hood River Capital Management first reported a position in TNDM in Q3 2014 and held it in 25 quarters. The position peaked at $47.8M in Q2 2025. 268 funds tracked by Wall St. Rank hold TNDM as of Q4 2025.

  • Hood River Capital Management reported no remaining Tandem Diabetes Care position as of Q4 2025 after selling out during the quarter.
  • Hood River Capital Management sold 2,551,644 Tandem Diabetes Care shares in Q4 2025, an estimated $31M.
  • Hood River Capital Management first reported a position in Tandem Diabetes Care in Q3 2014 and held it in 25 quarters.
  • Hood River Capital Management's Tandem Diabetes Care position peaked at $47.8M in Q2 2025.
  • 268 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q4 2025.

Based on Hood River Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.