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Israel Englander’s Tandem Diabetes Care TNDM Stock Holding History

Israel Englander’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
2024
Q4 		– Sell
-30,000
Closed -$1.27M – 6464
2024
Q3 		$1.27M Sell
30,000
-40,000
-57% -$1.7M ﹤0.01% 4079
2024
Q2 		$2.82M Buy
70,000
+40,000
+133% +$1.67M ﹤0.01% 3223
2024
Q1 		$1.06M Buy
30,000
+20,000
+200% +$536K ﹤0.01% 4240
2023
Q4 		$296K Buy
+10,000
New +$207K ﹤0.01% 4963
2023
Q3 		– Sell
-20,000
Closed -$491K – 6567
2023
Q2 		$491K Buy
+20,000
New +$643K ﹤0.01% 4564

Other funds holding TNDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SC
Sessa Capital New York $5.98B AUM 99.85% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
PIM
Paradice Investment Management Denver, Colorado $627M AUM 43.41% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Israel Englander's TNDM Position: Q2 2026 in Review

Israel Englander increased its Tandem Diabetes Care (TNDM) stake by 72% in Q2 2026, buying an estimated $9.61M and bringing the position to 1,311,739 shares worth $19.8M. The position accounts for 0.01% of the portfolio, ranked #1635.

Israel Englander first reported a position in TNDM in Q4 2013 and has held it in 47 quarters since. The position peaked at $75.4M in Q2 2020. 272 funds tracked by Wall St. Rank hold TNDM as of Q2 2026.

  • Israel Englander held 1,311,739 shares of Tandem Diabetes Care worth $19.8M as of Q2 2026.
  • Israel Englander bought 550,067 Tandem Diabetes Care shares in Q2 2026, an estimated $9.61M.
  • Tandem Diabetes Care made up 0.01% of Israel Englander's portfolio in Q2 2026, its #1635 holding.
  • Israel Englander first reported a position in Tandem Diabetes Care in Q4 2013 and has held it in 47 quarters since.
  • Israel Englander's Tandem Diabetes Care position peaked at $75.4M in Q2 2020.
  • 272 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.