Jim Simons Tandem Diabetes Care Inc Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Tandem Diabetes Care Inc stock. As of the latest transaction made, Renaissance Technologies LLC holds 161,500 shares of TNDM stock, worth $3.01 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

161,500

Previous 342,327 52.82%

Holding current value

$3.01 Million

Previous $6.38 Million 69.28%

% of portfolio

0.0%

Previous 0.01%

24 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$10.12 - $17.24 $1.83 Million - $3.12 Million	-180,827 Reduced 52.82%	161,500 $1.96 Million
Q2 2025 Aug 13, 2025	BUY	$16.35 - $23.52 $918,870 - $1.32 Million	56,200 Added 19.64%	342,327 $6.38 Million
Q1 2025 May 14, 2025	SELL	$17.89 - $37.53 $529,544 - $1.11 Million	-29,600 Reduced 9.38%	286,127 $5.48 Million
Q4 2024 Feb 13, 2025	BUY	$27.34 - $41.78 $2.88 Million - $4.4 Million	105,300 Added 50.04%	315,727 $11.4 Million
Q3 2024 Nov 13, 2024	SELL	$35.21 - $47.3 $3.01 Million - $4.04 Million	-85,396 Reduced 28.87%	210,427 $8.92 Million

Q2 2024 Aug 09, 2024	SELL	$30.43 - $53.43 $9.08 Million - $15.9 Million	-298,504 Reduced 50.23%	295,823 $11.9 Million
Q1 2024 May 13, 2024	BUY	$22.09 - $35.41 $12.7 Million - $20.4 Million	576,100 Added 3160.7%	594,327 $21 Million
Q4 2023 Feb 13, 2024	BUY	$14.28 - $31.03 $260,281 - $565,583	18,227 New	18,227 $539,000
Q3 2022 Nov 14, 2022	SELL	$43.76 - $68.97 $3.76 Million - $5.92 Million	-85,827 Reduced 56.01%	67,400 $3.23 Million
Q2 2022 Aug 12, 2022	BUY	$53.22 - $123.09 $6.99 Million - $16.2 Million	131,327 Added 599.67%	153,227 $9.07 Million
Q1 2022 May 13, 2022	SELL	$101.89 - $150.09 $237,098 - $349,259	-2,327 Reduced 9.6%	21,900 $2.55 Million
Q4 2021 Feb 11, 2022	SELL	$118.18 - $153.21 $25.4 Million - $33 Million	-215,319 Reduced 89.89%	24,227 $3.65 Million
Q3 2021 Nov 12, 2021	BUY	$93.51 - $129.4 $19.2 Million - $26.5 Million	205,119 Added 595.81%	239,546 $28.6 Million
Q2 2021 Aug 13, 2021	SELL	$77.0 - $100.19 $10.5 Million - $13.7 Million	-136,700 Reduced 79.88%	34,427 $3.35 Million
Q1 2021 May 13, 2021	SELL	$81.28 - $104.34 $11.8 Million - $15.2 Million	-145,300 Reduced 45.92%	171,127 $15.1 Million
Q4 2020 Feb 10, 2021	SELL	$86.4 - $121.75 $10.9 Million - $15.4 Million	-126,669 Reduced 28.59%	316,427 $30.3 Million
Q3 2020 Nov 13, 2020	SELL	$95.43 - $116.09 $37.4 Million - $45.5 Million	-392,332 Reduced 46.96%	443,096 $50.3 Million
Q2 2020 Aug 13, 2020	BUY	$60.05 - $98.92 $20.4 Million - $33.7 Million	340,500 Added 68.8%	835,428 $82.6 Million
Q1 2020 May 14, 2020	SELL	$47.37 - $90.04 $9 Million - $17.1 Million	-189,972 Reduced 27.74%	494,928 $31.8 Million
Q4 2019 Feb 13, 2020	SELL	$53.13 - $71.19 $32.3 Million - $43.3 Million	-608,727 Reduced 47.06%	684,900 $40.8 Million
Q3 2019 Nov 13, 2019	BUY	$57.11 - $73.3 $22.6 Million - $29 Million	395,700 Added 44.07%	1,293,627 $76.3 Million
Q2 2019 Aug 12, 2019	BUY	$54.41 - $71.7 $6.72 Million - $8.85 Million	123,500 Added 15.95%	897,927 $57.9 Million
Q1 2019 May 14, 2019	SELL	$32.25 - $73.56 $20.6 Million - $46.9 Million	-637,900 Reduced 45.17%	774,427 $49.2 Million
Q4 2018 Feb 13, 2019	BUY	$28.45 - $40.65 $40.2 Million - $57.4 Million	1,412,327 New	1,412,327 $53.6 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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