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Campbell & Co Investment Adviser’s Tandem Diabetes Care TNDM Stock Holding History

Campbell & Co Investment Adviser’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
-30,108
Closed -$561K – 1383
2025
Q2 		$561K Buy
+30,108
New +$596K 0.04% 746
2024
Q1 		– Sell
-12,254
Closed -$362K – 1368
2023
Q4 		$362K Buy
+12,254
New +$254K 0.03% 848
2023
Q1 		– Sell
-4,617
Closed -$208K – 1030
2022
Q4 		$208K Buy
+4,617
New +$209K 0.05% 679
2022
Q3 		– Sell
-17,638
Closed -$1.04M – 935
2022
Q2 		$1.04M Buy
17,638
+14,027
+388% +$1.15M 0.28% 72
2022
Q1 		$420K Buy
+3,611
New +$422K 0.11% 348
2021
Q3 		– Sell
-3,100
Closed -$302K – 769
2021
Q2 		$302K Buy
+3,100
New +$276K 0.12% 322
2020
Q1 		– Sell
-6,578
Closed -$392K – 485
2019
Q4 		$392K Buy
+6,578
New +$406K 0.12% 319

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

Campbell & Co Investment Adviser's TNDM Position: Q3 2025 in Review

Campbell & Co Investment Adviser sold out of Tandem Diabetes Care (TNDM) in Q3 2025, closing a stake of 30,108 shares — an estimated $561K sold.

Campbell & Co Investment Adviser first reported a position in TNDM in Q4 2019 and held it in 7 quarters. The position peaked at $1.04M in Q2 2022. 255 funds tracked by Wall St. Rank hold TNDM as of Q3 2025.

  • Campbell & Co Investment Adviser reported no remaining Tandem Diabetes Care position as of Q3 2025 after selling out during the quarter.
  • Campbell & Co Investment Adviser sold 30,108 Tandem Diabetes Care shares in Q3 2025, an estimated $561K.
  • Campbell & Co Investment Adviser first reported a position in Tandem Diabetes Care in Q4 2019 and held it in 7 quarters.
  • Campbell & Co Investment Adviser's Tandem Diabetes Care position peaked at $1.04M in Q2 2022.
  • 255 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q3 2025.

Based on Campbell & Co Investment Adviser's 13F filing for Q3 2025, filed 28 Oct 2025.