AIM
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Aigen Investment Management’s Tandem Diabetes Care TNDM Stock Holding History

Aigen Investment 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
Q1 		– Sell
-5,992
Closed -$216K – 1033
2024
Q4 		$216K Buy
+5,992
New +$203K 0.04% 592
2024
Q3 		– Sell
-6,255
Closed -$252K – 1015
2024
Q2 		$252K Buy
+6,255
New +$261K 0.05% 540
2023
Q3 		– Sell
-8,632
Closed -$212K – 1085
2023
Q2 		$212K Sell
8,632
-15,772
-65% -$507K 0.03% 600
2023
Q1 		$991K Buy
24,404
+14,511
+147% +$601K 0.14% 190
2022
Q4 		$445K Buy
+9,893
New +$448K 0.06% 290
2022
Q3 		– Sell
-10,608
Closed -$628K – 763
2022
Q2 		$628K Buy
+10,608
New +$871K 0.11% 260
2022
Q1 		– Sell
-4,060
Closed -$618K – 1073
2021
Q4 		$618K Buy
+4,060
New +$548K 0.04% 563
2021
Q1 		– Sell
-5,734
Closed -$549K – 882
2020
Q4 		$549K Buy
+5,734
New +$591K 0.07% 361

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
GKIM
GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return
ACH
ArrowMark Colorado Holdings Denver, Colorado $3.76B AUM 21.77% 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
SIMG
Stephens Investment Management Group Houston, Texas $7.3B AUM 41.96% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $532M AUM 29.6% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Aigen Investment Management's TNDM Position: Q1 2025 in Review

Aigen Investment Management sold out of Tandem Diabetes Care (TNDM) in Q1 2025, closing a stake of 5,992 shares — an estimated $216K sold.

Aigen Investment Management first reported a position in TNDM in Q4 2020 and held it in 8 quarters. The position peaked at $991K in Q1 2023. 275 funds tracked by Wall St. Rank hold TNDM as of Q1 2025.

  • Aigen Investment Management reported no remaining Tandem Diabetes Care position as of Q1 2025 after selling out during the quarter.
  • Aigen Investment Management sold 5,992 Tandem Diabetes Care shares in Q1 2025, an estimated $216K.
  • Aigen Investment Management first reported a position in Tandem Diabetes Care in Q4 2020 and held it in 8 quarters.
  • Aigen Investment Management's Tandem Diabetes Care position peaked at $991K in Q1 2023.
  • 275 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q1 2025.

Based on Aigen Investment Management's 13F filing for Q1 2025, filed 12 May 2025.