Israel Englander Tandem Diabetes Care Inc Transaction History

Millennium Management LLC

$213 Billion
Q3 2025

A detailed history of Israel Englander (Millennium Management LLC) transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Millennium Management LLC holds 705,902 shares of TNDM stock, worth $13.1 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

705,902

Previous 969,073 27.16%

Holding current value

$13.1 Million

Previous $18.1 Million 52.56%

% of portfolio

0.0%

Previous 0.01%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$10.12 - $17.24 $2.66 Million - $4.54 Million	-263,171 Reduced 27.16%	705,902 $8.57 Million
Q2 2025 Aug 14, 2025	BUY	$16.35 - $23.52 $12.1 Million - $17.4 Million	741,488 Added 325.81%	969,073 $18.1 Million
Q1 2025 May 15, 2025	BUY	$17.89 - $37.53 $1.36 Million - $2.86 Million	76,245 Added 50.38%	227,585 $4.36 Million
Q4 2024 Feb 14, 2025	SELL	$27.34 - $41.78 $35.1 Million - $53.6 Million	-1,283,316 Reduced 89.45%	151,340 $5.45 Million
Q3 2024 Nov 14, 2024	BUY	$35.21 - $47.3 $13.4 Million - $18 Million	380,703 Added 36.12%	1,434,656 $60.8 Million

Q2 2024 Aug 14, 2024	BUY	$30.43 - $53.43 $882,439 - $1.55 Million	28,999 Added 2.83%	1,053,953 $42.5 Million
Q1 2024 May 15, 2024	BUY	$22.09 - $35.41 $8.71 Million - $14 Million	394,111 Added 62.47%	1,024,954 $36.3 Million
Q4 2023 Feb 14, 2024	SELL	$14.28 - $31.03 $5.95 Million - $12.9 Million	-416,542 Reduced 39.77%	630,843 $18.7 Million
Q2 2023 Aug 14, 2023	BUY	$24.18 - $42.46 $18.2 Million - $32 Million	752,481 Added 255.16%	1,047,385 $25.7 Million
Q1 2023 May 15, 2023	SELL	$35.86 - $46.5 $11.4 Million - $14.8 Million	-318,431 Reduced 51.92%	294,904 $12 Million
Q4 2022 Feb 14, 2023	BUY	$35.49 - $56.15 $19.2 Million - $30.3 Million	540,252 Added 739.23%	613,335 $27.6 Million
Q3 2022 Nov 14, 2022	SELL	$43.76 - $68.97 $888,240 - $1.4 Million	-20,298 Reduced 21.74%	73,083 $3.5 Million
Q2 2022 Aug 15, 2022	SELL	$53.22 - $123.09 $19.3 Million - $44.6 Million	-362,711 Reduced 79.53%	93,381 $5.53 Million
Q1 2022 May 16, 2022	BUY	$101.89 - $150.09 $24.7 Million - $36.4 Million	242,438 Added 113.47%	456,092 $53 Million
Q4 2021 Feb 14, 2022	BUY	$118.18 - $153.21 $5.22 Million - $6.77 Million	44,192 Added 26.08%	213,654 $32.2 Million
Q3 2021 Nov 15, 2021	SELL	$93.51 - $129.4 $12.4 Million - $17.2 Million	-132,950 Reduced 43.96%	169,462 $20.2 Million
Q2 2021 Aug 16, 2021	BUY	$77.0 - $100.19 $21.2 Million - $27.6 Million	275,522 Added 1024.63%	302,412 $29.5 Million
Q1 2021 May 17, 2021	SELL	$81.28 - $104.34 $15 Million - $19.3 Million	-184,648 Reduced 87.29%	26,890 $2.37 Million
Q4 2020 Feb 16, 2021	SELL	$86.4 - $121.75 $10.4 Million - $14.7 Million	-120,933 Reduced 36.37%	211,538 $20.2 Million
Q3 2020 Nov 16, 2020	SELL	$95.43 - $116.09 $41 Million - $49.8 Million	-429,363 Reduced 56.36%	332,471 $37.7 Million
Q2 2020 Aug 14, 2020	BUY	$60.05 - $98.92 $45.7 Million - $75.4 Million	761,834 New	761,834 $75.4 Million
Q1 2020 May 14, 2020	SELL	$47.37 - $90.04 $16.9 Million - $32.2 Million	-357,720 Closed	0 $0
Q4 2019 Feb 14, 2020	SELL	$53.13 - $71.19 $7.72 Million - $10.3 Million	-145,283 Reduced 28.88%	357,720 $21.3 Million
Q3 2019 Nov 14, 2019	SELL	$57.11 - $73.3 $25.2 Million - $32.4 Million	-441,414 Reduced 46.74%	503,003 $29.7 Million
Q2 2019 Aug 15, 2019	SELL	$54.41 - $71.7 $61.3 Million - $80.8 Million	-1,127,020 Reduced 54.41%	944,417 $60.9 Million
Q2 2019 Aug 14, 2019	BUY	$54.41 - $71.7 $67.5 Million - $88.9 Million	1,239,812 Added 149.08%	2,071,437 $21.3 Million
Q1 2019 May 14, 2019	BUY	$32.25 - $73.56 $5.74 Million - $13.1 Million	177,936 Added 27.22%	831,625 $52.8 Million
Q4 2018 Feb 14, 2019	SELL	$28.45 - $40.65 $3.05 Million - $4.36 Million	-107,311 Reduced 14.1%	653,689 $24.8 Million
Q3 2018 Nov 14, 2018	BUY	$21.39 - $51.17 $332,807 - $796,154	15,559 Added 2.09%	761,000 $32.6 Million
Q2 2018 Aug 14, 2018	SELL	$4.9 - $23.64 $521,090 - $2.51 Million	-106,345 Reduced 12.48%	745,441 $16.4 Million
Q1 2018 May 15, 2018	BUY	$2.35 - $4.96 $2 Million - $4.22 Million	851,786 New	851,786 $4.23 Million

Others Institutions Holding TNDM

# of Institutions

287

Shares Held

74.1M

Call Options Held

2.94M

Put Options Held

362K

View Full List

About TANDEM DIABETES CARE INC

Ticker TNDM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 64,221,200
Market Cap $1.2B
Description
Tandem Diabetes Care, Inc., a medical device company, designs, develops, and commercializes various products for people with insulin-dependent diabetes in the United States and internationally. The company's flagship product is the t:slim X2 insulin delivery system, a pump platform that comprises t:slim X2 pump, its 300-unit disposable insulin c...

More about TNDM

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