Ken Griffin Simpson Manufacturing Co., Inc. Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Simpson Manufacturing Co., Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 38,277 shares of SSD stock, worth $6.28 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

38,277

Previous 38,077 0.53%

Holding current value

$6.28 Million

Previous $5.91 Million 8.39%

% of portfolio

0.0%

Previous 0.0%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$158.03 - $197.08 $31,606 - $39,416	200 Added 0.53%	38,277 $6.41 Million
Q2 2025 Aug 14, 2025	BUY	$139.81 - $165.8 $1 Million - $1.19 Million	7,175 Added 23.22%	38,077 $5.91 Million
Q1 2025 May 15, 2025	SELL	$154.39 - $176.55 $3.31 Million - $3.78 Million	-21,423 Reduced 40.94%	30,902 $4.85 Million
Q4 2024 Feb 14, 2025	BUY	$165.45 - $196.93 $2.82 Million - $3.36 Million	17,047 Added 48.32%	52,325 $8.68 Million
Q3 2024 Nov 14, 2024	SELL	$162.45 - $195.17 $2.95 Million - $3.54 Million	-18,136 Reduced 33.95%	35,278 $6.74 Million

Q2 2024 Aug 14, 2024	BUY	$160.17 - $201.35 $8.56 Million - $10.8 Million	53,414 New	53,414 $9 Million
Q4 2023 Feb 14, 2024	SELL	$125.92 - $200.91 $656,420 - $1.05 Million	-5,213 Reduced 34.37%	9,956 $1.97 Million
Q3 2023 Nov 14, 2023	BUY	$133.27 - $163.42 $708,063 - $868,250	5,313 Added 53.91%	15,169 $2.27 Million
Q2 2023 Aug 14, 2023	SELL	$103.59 - $139.63 $495,367 - $667,710	-4,782 Reduced 32.67%	9,856 $1.37 Million
Q1 2023 May 15, 2023	SELL	$91.41 - $114.34 $1.4 Million - $1.76 Million	-15,359 Reduced 51.2%	14,638 $1.6 Million
Q4 2022 Feb 14, 2023	SELL	$76.43 - $95.79 $6.46 Million - $8.1 Million	-84,576 Reduced 73.82%	29,997 $2.66 Million
Q3 2022 Nov 14, 2022	BUY	$77.01 - $109.02 $8.82 Million - $12.5 Million	114,573 New	114,573 $8.98 Million
Q1 2022 May 16, 2022	SELL	$108.97 - $135.76 $316,448 - $394,247	-2,904 Reduced 13.68%	18,318 $2 Million
Q4 2021 Feb 14, 2022	SELL	$105.04 - $139.07 $1.21 Million - $1.61 Million	-11,560 Reduced 35.26%	21,222 $2.95 Million
Q3 2021 Nov 15, 2021	SELL	$104.83 - $114.97 $1.32 Million - $1.44 Million	-12,566 Reduced 27.71%	32,782 $3.51 Million
Q2 2021 Aug 16, 2021	SELL	$104.52 - $118.46 $11.2 Million - $12.7 Million	-107,090 Reduced 70.25%	45,348 $5.01 Million
Q1 2021 May 17, 2021	BUY	$92.0 - $109.27 $9.32 Million - $11.1 Million	101,298 Added 198.08%	152,438 $15.8 Million
Q4 2020 Feb 16, 2021	BUY	$87.38 - $97.37 $3.67 Million - $4.09 Million	42,028 Added 461.24%	51,140 $4.78 Million
Q3 2020 Nov 16, 2020	SELL	$79.11 - $103.35 $1.14 Million - $1.49 Million	-14,393 Reduced 61.23%	9,112 $885,000
Q2 2020 Aug 14, 2020	SELL	$56.58 - $93.54 $3.02 Million - $4.99 Million	-53,339 Reduced 69.41%	23,505 $1.98 Million
Q1 2020 May 15, 2020	BUY	$49.13 - $86.99 $2.51 Million - $4.44 Million	51,081 Added 198.27%	76,844 $4.76 Million
Q4 2019 Feb 14, 2020	SELL	$68.13 - $83.98 $587,621 - $724,327	-8,625 Reduced 25.08%	25,763 $2.07 Million
Q3 2019 Nov 14, 2019	SELL	$59.31 - $69.37 $2.57 Million - $3.01 Million	-43,366 Reduced 55.77%	34,388 $2.39 Million
Q2 2019 Aug 14, 2019	BUY	$59.02 - $67.29 $823,919 - $939,368	13,960 Added 21.88%	77,754 $5.17 Million
Q1 2019 May 15, 2019	SELL	$54.17 - $61.38 $1.31 Million - $1.49 Million	-24,248 Reduced 27.54%	63,794 $0
Q4 2018 Feb 14, 2019	BUY	$49.8 - $71.93 $772,149 - $1.12 Million	15,505 Added 21.38%	88,042 $4.77 Million
Q3 2018 Nov 13, 2018	SELL	$59.89 - $77.76 $2.39 Million - $3.1 Million	-39,906 Reduced 35.49%	72,537 $0
Q2 2018 Aug 10, 2018	BUY	$54.68 - $67.2 $1.52 Million - $1.87 Million	27,820 Added 32.88%	112,443 $0
Q1 2018 May 11, 2018	SELL	$55.32 - $60.43 $3.14 Million - $3.43 Million	-56,758 Reduced 40.15%	84,623 $4.87 Million
Q4 2017 Feb 09, 2018	SELL	$48.63 - $60.92 $1.91 Million - $2.4 Million	-39,376 Reduced 21.78%	141,381 $8.12 Million
Q3 2017 Nov 09, 2017	BUY	$42.01 - $49.32 $7.59 Million - $8.91 Million	180,757	180,757 $8.86 Million

Others Institutions Holding SSD

# of Institutions

484

Shares Held

39.8M

Call Options Held

58.5K

Put Options Held

8.4K

View Full List

About Simpson Manufacturing Co., Inc.

Ticker SSD
Exchange NYSE
Sector Basic Materials
Industry Lumber & Wood Production
Shares Outstandng 43,166,200
Market Cap $7.09B
Description
Simpson Manufacturing Co., Inc., through its subsidiaries, designs, engineers, manufactures, and sells wood and concrete construction products. The company offers wood construction products, including connectors, truss plates, fastening systems, fasteners and shearwalls, and pre-fabricated lateral systems for use in light-frame construction; and...

More about SSD

Track Ken Griffin's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Citadel Advisors LLC, based on Form 13F filings with the SEC.

News

Stay updated on Citadel Advisors LLC and Ken Griffin with notifications on news.

Account