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Brooklyn Investment Group’s Tandem Diabetes Care TNDM Stock Holding History

Brooklyn Investment Group’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
-4,733
Closed -$88.2K – 2509
2025
Q2 		$88.2K Buy
4,733
+1,336
+39% +$26.5K 0.01% 1008
2025
Q1 		$65.1K Buy
3,397
+2,741
+418% +$80.2K 0.01% 670
2024
Q4 		$23.6K Hold
656
– – 0.01% 715
2024
Q3 		$27.8K Buy
+656
New +$27.8K 0.01% 595

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

Brooklyn Investment Group's TNDM Position: Q3 2025 in Review

Brooklyn Investment Group sold out of Tandem Diabetes Care (TNDM) in Q3 2025, closing a stake of 4,733 shares — an estimated $88.2K sold.

Brooklyn Investment Group first reported a position in TNDM in Q3 2024 and held it in 4 quarters. The position peaked at $88.2K in Q2 2025. 255 funds tracked by Wall St. Rank hold TNDM as of Q3 2025.

  • Brooklyn Investment Group reported no remaining Tandem Diabetes Care position as of Q3 2025 after selling out during the quarter.
  • Brooklyn Investment Group sold 4,733 Tandem Diabetes Care shares in Q3 2025, an estimated $88.2K.
  • Brooklyn Investment Group first reported a position in Tandem Diabetes Care in Q3 2024 and held it in 4 quarters.
  • Brooklyn Investment Group's Tandem Diabetes Care position peaked at $88.2K in Q2 2025.
  • 255 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q3 2025.

Based on Brooklyn Investment Group's 13F filing for Q3 2025, filed 14 Nov 2025.