Ken Griffin Willdan Group, Inc. Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Willdan Group, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 185,874 shares of WLDN stock, worth $17.1 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

185,874

Previous 108,371 71.52%

Holding current value

$17.1 Million

Previous $6.77 Million 165.31%

% of portfolio

0.0%

Previous 0.0%

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$63.73 - $120.35 $4.94 Million - $9.33 Million	77,503 Added 71.52%	185,874 $18 Million
Q2 2025 Aug 14, 2025	BUY	$36.9 - $62.51 $2.75 Million - $4.66 Million	74,623 Added 221.12%	108,371 $6.77 Million
Q1 2025 May 15, 2025	BUY	$30.88 - $43.06 $173,113 - $241,394	5,606 Added 19.92%	33,748 $1.37 Million
Q4 2024 Feb 14, 2025	SELL	$38.09 - $47.7 $2.68 Million - $3.36 Million	-70,448 Reduced 71.46%	28,142 $1.07 Million
Q3 2024 Nov 14, 2024	SELL	$29.09 - $41.12 $16,348 - $23,109	-562 Reduced 0.57%	98,590 $4.04 Million

Q2 2024 Aug 14, 2024	BUY	$26.55 - $34.4 $1.38 Million - $1.79 Million	51,956 Added 110.09%	99,152 $2.86 Million
Q1 2024 May 15, 2024	BUY	$17.92 - $30.1 $247,546 - $415,801	13,814 Added 41.38%	47,196 $1.37 Million
Q4 2023 Feb 14, 2024	SELL	$17.18 - $22.74 $1,236 - $1,637	-72 Reduced 0.22%	33,382 $717,000
Q3 2023 Nov 14, 2023	SELL	$17.8 - $24.51 $28,337 - $39,019	-1,592 Reduced 4.54%	33,454 $683,000
Q2 2023 Aug 14, 2023	SELL	$14.08 - $19.92 $306,479 - $433,598	-21,767 Reduced 38.31%	35,046 $671,000
Q1 2023 May 15, 2023	BUY	$14.56 - $21.45 $129,613 - $190,947	8,902 Added 18.58%	56,813 $887,000
Q4 2022 Feb 14, 2023	BUY	$11.59 - $18.4 $254,574 - $404,155	21,965 Added 84.66%	47,911 $855,000
Q3 2022 Nov 14, 2022	BUY	$14.81 - $29.39 $253,088 - $502,245	17,089 Added 192.94%	25,946 $384,000
Q2 2022 Aug 15, 2022	SELL	$23.28 - $32.56 $182,445 - $255,172	-7,837 Reduced 46.95%	8,857 $244,000
Q1 2022 May 16, 2022	SELL	$26.7 - $34.63 $502,974 - $652,359	-18,838 Reduced 53.02%	16,694 $513,000
Q4 2021 Feb 14, 2022	BUY	$31.44 - $42.29 $11,475 - $15,435	365 Added 1.04%	35,532 $1.25 Million
Q3 2021 Nov 15, 2021	SELL	$32.5 - $42.04 $1 Million - $1.3 Million	-30,870 Reduced 46.75%	35,167 $1.25 Million
Q2 2021 Aug 16, 2021	BUY	$35.84 - $44.07 $211,527 - $260,101	5,902 Added 9.81%	66,037 $2.49 Million
Q1 2021 May 17, 2021	BUY	$35.15 - $54.44 $2.11 Million - $3.27 Million	60,135 New	60,135 $2.47 Million
Q3 2020 Nov 16, 2020	SELL	$22.58 - $29.76 $204,981 - $270,161	-9,078 Closed	0 $0
Q2 2020 Aug 14, 2020	SELL	$18.71 - $27.55 $113,532 - $167,173	-6,068 Reduced 40.06%	9,078 $227,000
Q1 2020 May 15, 2020	BUY	$18.63 - $37.61 $150,306 - $303,437	8,068 Added 113.99%	15,146 $323,000
Q4 2019 Feb 14, 2020	SELL	$26.99 - $39.37 $647 - $944	-24 Reduced 0.34%	7,078 $225,000
Q3 2019 Nov 14, 2019	BUY	$32.27 - $39.56 $13,004 - $15,942	403 Added 6.02%	7,102 $249,000
Q2 2019 Aug 14, 2019	SELL	$31.12 - $40.24 $228,669 - $295,683	-7,348 Reduced 52.31%	6,699 $250,000
Q4 2018 Feb 14, 2019	BUY	$29.75 - $38.31 $235,203 - $302,878	7,906 Added 128.74%	14,047 $491,000
Q3 2018 Nov 13, 2018	BUY	$27.88 - $34.5 $171,211 - $211,864	6,141 New	6,141 $0

Others Institutions Holding WLDN

# of Institutions

266

Shares Held

10.8M

Call Options Held

431K

Put Options Held

137K

View Full List

About Willdan Group, Inc.

Ticker WLDN
Exchange NASDAQ
Sector Industrials
Industry Engineering & Construction
Shares Outstandng 13,282,100
Market Cap $1.22B
Description
Willdan Group, Inc., together with its subsidiaries, provides professional, technical and consulting services primarily in the United States. It operates in two segments, Energy, and Engineering and Consulting. The Energy segment offers comprehensive audit and surveys, program design, master planning, demand reduction, grid optimization, benchma...

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