David A. Siegel Align Technology Inc Transaction History

Two Sigma Advisers, LP

$47 Billion
Q3 2025

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Align Technology Inc stock. As of the latest transaction made, Two Sigma Advisers, LP holds 4,200 shares of ALGN stock, worth $575,946. This represents 0.0% of its overall portfolio holdings.

Number of Shares

4,200

Holding current value

$575,946

% of portfolio

0.0%

29 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$124.88 - $207.19 $524,496 - $870,198	4,200 New	4,200 $525,000
Q3 2024 Nov 14, 2024	SELL	$204.03 - $257.2 $1.67 Million - $2.11 Million	-8,200 Reduced 58.16%	5,900 $1.5 Million
Q2 2024 Aug 14, 2024	SELL	$235.23 - $330.25 $1.29 Million - $1.82 Million	-5,500 Reduced 28.06%	14,100 $3.4 Million
Q1 2024 May 15, 2024	SELL	$256.22 - $329.14 $4.07 Million - $5.23 Million	-15,900 Reduced 44.79%	19,600 $6.43 Million
Q4 2023 Feb 14, 2024	BUY	$183.21 - $299.76 $4.89 Million - $8 Million	26,700 Added 303.41%	35,500 $9.73 Million
Q3 2023 Nov 14, 2023	BUY	$298.02 - $385.31 $208,614 - $269,717	700 Added 8.64%	8,800 $2.69 Million
Q2 2023 Aug 14, 2023	BUY	$280.08 - $363.06 $1.06 Million - $1.38 Million	3,800 Added 88.37%	8,100 $2.86 Million
Q1 2023 May 15, 2023	SELL	$212.28 - $359.88 $806,664 - $1.37 Million	-3,800 Reduced 46.91%	4,300 $1.44 Million
Q4 2022 Feb 14, 2023	BUY	$174.58 - $229.91 $1.41 Million - $1.86 Million	8,100 New	8,100 $1.71 Million
Q2 2022 Aug 15, 2022	SELL	$229.82 - $446.41 $22,982 - $44,641	-100 Reduced 5.0%	1,900 $450,000
Q1 2022 May 16, 2022	SELL	$378.09 - $648.05 $4.46 Million - $7.65 Million	-11,800 Reduced 85.51%	2,000 $872,000
Q4 2021 Feb 14, 2022	SELL	$589.61 - $711.02 $41.1 Million - $49.6 Million	-69,700 Reduced 83.47%	13,800 $9.07 Million
Q3 2021 Nov 15, 2021	BUY	$595.56 - $729.92 $714,671 - $875,904	1,200 Added 1.46%	83,500 $55.6 Million
Q2 2021 Aug 16, 2021	BUY	$545.05 - $621.76 $17.4 Million - $19.9 Million	32,000 Added 63.62%	82,300 $50.3 Million
Q1 2021 May 17, 2021	BUY	$496.07 - $620.45 $13.6 Million - $17.1 Million	27,500 Added 120.61%	50,300 $27.2 Million
Q4 2020 Feb 16, 2021	SELL	$314.89 - $536.59 $3.62 Million - $6.17 Million	-11,500 Reduced 33.53%	22,800 $12.2 Million
Q3 2020 Nov 16, 2020	SELL	$270.24 - $335.24 $10.5 Million - $13.1 Million	-38,999 Reduced 53.21%	34,300 $11.2 Million
Q2 2020 Aug 14, 2020	SELL	$152.07 - $289.75 $1.34 Million - $2.55 Million	-8,800 Reduced 10.72%	73,299 $20.1 Million
Q1 2020 May 15, 2020	SELL	$137.72 - $298.07 $13.3 Million - $28.9 Million	-96,800 Reduced 54.11%	82,099 $14.3 Million
Q4 2019 Feb 14, 2020	BUY	$179.75 - $279.62 $5.02 Million - $7.8 Million	27,900 Added 18.48%	178,899 $49.9 Million
Q3 2019 Nov 14, 2019	BUY	$173.16 - $286.65 $13.3 Million - $22 Million	76,665 Added 103.14%	150,999 $27.3 Million
Q2 2019 Aug 14, 2019	BUY	$268.08 - $331.08 $5.32 Million - $6.57 Million	19,835 Added 36.4%	74,334 $20.3 Million
Q1 2019 May 15, 2019	BUY	$184.78 - $284.33 $332,604 - $511,794	1,800 Added 3.42%	54,499 $15.5 Million
Q4 2018 Feb 14, 2019	SELL	$193.72 - $391.52 $8.49 Million - $17.2 Million	-43,831 Reduced 45.41%	52,699 $11 Million
Q3 2018 Nov 14, 2018	SELL	$338.68 - $392.98 $54.5 Million - $63.2 Million	-160,800 Reduced 62.49%	96,530 $37.8 Million
Q2 2018 Aug 14, 2018	BUY	$239.66 - $370.1 $58.7 Million - $90.7 Million	245,000 Added 1987.02%	257,330 $88 Million
Q1 2018 May 15, 2018	SELL	$220.71 - $283.97 $21.7 Million - $27.9 Million	-98,300 Reduced 88.85%	12,330 $3.1 Million
Q4 2017 Feb 14, 2018	BUY	$185.98 - $264.23 $17.1 Million - $24.3 Million	92,000 Added 493.83%	110,630 $24.6 Million
Q3 2017 Nov 14, 2017	BUY	$167.23 - $188.78 $3.12 Million - $3.52 Million	18,630	18,630 $3.47 Million

Others Institutions Holding ALGN

# of Institutions

792

Shares Held

72.5M

Call Options Held

1.5M

Put Options Held

1.42M

View Full List

About ALIGN TECHNOLOGY INC

Ticker ALGN
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 78,108,200
Market Cap $10.7B
Description
Align Technology, Inc., a medical device company, designs, manufactures, and markets Invisalign clear aligners and iTero intraoral scanners and services for orthodontists and general practitioner dentists, and restorative and aesthetic dentistry. It operates in two segments, Clear Aligner; and Scanners and Services. The Clear Aligner segment con...

More about ALGN

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