Walleye Trading LLC Tandem Diabetes Care Inc Call Options Transaction History

Walleye Trading LLC

$41.2 Billion
Q2 2024

Call Options

20 transactions

Quarter	Operation	Price Per call	calls change	calls Held
Q2 2024 Aug 14, 2024	BUY	$30.43 - $53.43 $18,258 - $32,058	600 Added 10.17%	6,500 $261,000
Q1 2024 May 15, 2024	SELL	$22.09 - $35.41 $130,331 - $208,918	-5,900 Reduced 50.0%	5,900 $208,000
Q4 2023 Feb 14, 2024	BUY	$14.28 - $31.03 $59,976 - $130,326	4,200 Added 55.26%	11,800 $349,000
Q3 2023 Nov 14, 2023	BUY	$19.33 - $36.22 $146,908 - $275,272	7,600 New	7,600 $157,000
Q4 2022 Feb 14, 2023	SELL	$35.49 - $56.15 $152,607 - $241,445	-4,300 Reduced 8.5%	46,300 $2.08 Million
Q3 2022 Nov 14, 2022	BUY	$43.76 - $68.97 $1.15 Million - $1.81 Million	26,200 Added 107.38%	50,600 $2.42 Million
Q2 2022 Aug 08, 2022	BUY	$53.22 - $123.09 $979,248 - $2.26 Million	18,400 Added 306.67%	24,400 $1.44 Million
Q1 2022 May 16, 2022	SELL	$101.89 - $150.09 $1.77 Million - $2.61 Million	-17,400 Reduced 74.36%	6,000 $698,000
Q4 2021 Feb 14, 2022	BUY	$118.18 - $153.21 $2.71 Million - $3.51 Million	22,900 Added 4580.0%	23,400 $3.52 Million
Q2 2021 Aug 16, 2021	BUY	$77.0 - $100.19 $38,500 - $50,095	500 New	500 $49,000
Q1 2021 May 17, 2021	SELL	$81.28 - $104.34 $40,640 - $52,170	-500 Closed	0 $0
Q4 2020 Feb 16, 2021	SELL	$86.4 - $121.75 $354,240 - $499,175	-4,100 Reduced 89.13%	500 $48,000
Q3 2020 Nov 16, 2020	BUY	$95.43 - $116.09 $219,489 - $267,007	2,300 Added 100.0%	4,600 $522,000
Q2 2020 Aug 14, 2020	BUY	$60.05 - $98.92 $72,060 - $118,704	1,200 Added 109.09%	2,300 $228,000
Q1 2020 May 15, 2020	SELL	$47.37 - $90.04 $956,874 - $1.82 Million	-20,200 Reduced 94.84%	1,100 $71,000
Q4 2019 Feb 14, 2020	BUY	$53.13 - $71.19 $935,088 - $1.25 Million	17,600 Added 475.68%	21,300 $1.27 Million
Q3 2019 Nov 14, 2019	SELL	$57.11 - $73.3 $17,133 - $21,990	-300 Reduced 7.5%	3,700 $218,000
Q2 2019 Aug 14, 2019	SELL	$54.41 - $71.7 $65,291 - $86,040	-1,200 Reduced 23.08%	4,000 $258,000
Q1 2019 May 15, 2019	SELL	$32.25 - $73.56 $232,200 - $529,632	-7,200 Reduced 58.06%	5,200 $330,000
Q4 2018 Feb 14, 2019	BUY	$28.45 - $40.65 $352,780 - $504,060	12,400 New	12,400 $471,000

Others Institutions Holding TNDM

# of Institutions

347

Shares Held

73M

Call Options Held

3.12M

Put Options Held

343K

Black Rock Inc. New York, NY

11.1M
Shares

$366 Million
0.01% of portfolio
Vanguard Group Inc Valley Forge, PA

7.38M
Shares

$243 Million
0.01% of portfolio
Capital World Investors Los Angeles, CA

3.67M
Shares

$121 Million
0.02% of portfolio
State Street Corp Boston, MA

2.57M
Shares

$84.7 Million
0.0% of portfolio
Arrow Mark Colorado Holdings LLC Denver, CO

2.5M
Shares

$82.5 Million
1.33% of portfolio

View Full List

About TANDEM DIABETES CARE INC

Ticker TNDM
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 64,221,200
Market Cap $2.11B
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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