Ken Griffin Waterstone Financial, Inc. Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Waterstone Financial, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 64,879 shares of WSBF stock, worth $1.01 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

64,879

Previous 99,322 34.68%

Holding current value

$1.01 Million

Previous $1.37 Million 26.19%

% of portfolio

0.0%

Previous 0.0%

30 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$13.19 - $16.26 $454,303 - $560,043	-34,443 Reduced 34.68%	64,879 $1.01 Million
Q2 2025 Aug 14, 2025	BUY	$11.86 - $13.94 $226,775 - $266,546	19,121 Added 23.84%	99,322 $1.37 Million
Q1 2025 May 15, 2025	BUY	$12.11 - $14.75 $463,728 - $564,821	38,293 Added 91.37%	80,201 $1.08 Million
Q4 2024 Feb 14, 2025	BUY	$13.28 - $16.53 $556,538 - $692,739	41,908 New	41,908 $563,000
Q1 2024 May 15, 2024	SELL	$11.16 - $14.34 $267,895 - $344,231	-24,005 Reduced 57.99%	17,388 $211,000

Q4 2023 Feb 14, 2024	SELL	$9.84 - $14.58 $13,215 - $19,580	-1,343 Reduced 3.14%	41,393 $587,000
Q3 2023 Nov 14, 2023	SELL	$10.95 - $15.07 $696,518 - $958,587	-63,609 Reduced 59.81%	42,736 $467,000
Q2 2023 Aug 14, 2023	BUY	$13.13 - $15.46 $1.11 Million - $1.31 Million	84,448 Added 385.66%	106,345 $1.54 Million
Q1 2023 May 15, 2023	SELL	$14.51 - $17.54 $135,523 - $163,823	-9,340 Reduced 29.9%	21,897 $331,000
Q4 2022 Feb 14, 2023	BUY	$16.14 - $17.31 $255,189 - $273,688	15,811 Added 102.5%	31,237 $538,000
Q3 2022 Nov 14, 2022	BUY	$16.16 - $18.77 $249,284 - $289,546	15,426 New	15,426 $249,000
Q2 2022 Aug 15, 2022	SELL	$16.06 - $19.14 $1.82 Million - $2.17 Million	-113,508 Closed	0 $0
Q1 2022 May 16, 2022	BUY	$19.13 - $22.66 $35,620 - $42,192	1,862 Added 1.67%	113,508 $2.2 Million
Q4 2021 Feb 14, 2022	BUY	$20.1 - $22.09 $173,784 - $190,990	8,646 Added 8.39%	111,646 $2.44 Million
Q3 2021 Nov 15, 2021	SELL	$18.93 - $20.74 $376,101 - $412,062	-19,868 Reduced 16.17%	103,000 $2.11 Million
Q2 2021 Aug 16, 2021	SELL	$19.37 - $20.92 $37,016 - $39,978	-1,911 Reduced 1.53%	122,868 $2.42 Million
Q1 2021 May 17, 2021	BUY	$18.32 - $21.03 $644,204 - $739,498	35,164 Added 39.24%	124,779 $2.55 Million
Q4 2020 Feb 16, 2021	BUY	$15.68 - $18.88 $487,726 - $587,262	31,105 Added 53.16%	89,615 $1.69 Million
Q3 2020 Nov 16, 2020	BUY	$13.32 - $15.89 $69,956 - $83,454	5,252 Added 9.86%	58,510 $906,000
Q2 2020 Aug 14, 2020	BUY	$12.37 - $16.25 $279,413 - $367,055	22,588 Added 73.65%	53,258 $790,000
Q1 2020 May 15, 2020	SELL	$12.76 - $18.91 $420,544 - $623,235	-32,958 Reduced 51.8%	30,670 $446,000
Q4 2019 Feb 14, 2020	BUY	$17.03 - $19.36 $757,119 - $860,706	44,458 Added 231.91%	63,628 $1.21 Million
Q3 2019 Nov 14, 2019	BUY	$16.31 - $17.34 $23,192 - $24,657	1,422 Added 8.01%	19,170 $329,000
Q2 2019 Aug 14, 2019	SELL	$16.04 - $17.06 $78,644 - $83,645	-4,903 Reduced 21.65%	17,748 $303,000
Q4 2018 Feb 14, 2019	SELL	$15.89 - $17.14 $33,702 - $36,353	-2,121 Reduced 8.56%	22,651 $379,000
Q3 2018 Nov 13, 2018	SELL	$16.75 - $17.7 $755,492 - $798,340	-45,104 Reduced 64.55%	24,772 $0
Q2 2018 Aug 10, 2018	BUY	$17.05 - $18.0 $772,399 - $815,436	45,302 Added 184.35%	69,876 $0
Q1 2018 May 11, 2018	SELL	$16.85 - $17.8 $440,442 - $465,274	-26,139 Reduced 51.54%	24,574 $425,000
Q4 2017 Feb 09, 2018	BUY	$17.05 - $19.95 $359,175 - $420,266	21,066 Added 71.06%	50,713 $865,000
Q3 2017 Nov 09, 2017	BUY	$17.45 - $19.8 $517,340 - $587,010	29,647	29,647 $578,000

Others Institutions Holding WSBF

# of Institutions

106

Shares Held

9.38M

Call Options Held

Put Options Held

View Full List

About Waterstone Financial, Inc.

Ticker WSBF
Exchange NASDAQ
Sector Financial Services
Industry Banks—Regional
Shares Outstandng 22,318,000
Market Cap $348M
Description
Waterstone Financial, Inc. operates as a bank holding company for WaterStone Bank SSB that provides various financial services to customers in southeastern Wisconsin, the United States. It operates in two segments, Community Banking and Mortgage Banking. The Community Banking segment offers consumer and business banking products and services, su...

More about WSBF

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