RENAISSANCE TECHNOLOGIES LLC

Position in MSEX — Middlesex Water Co

CIK 1037389 NEW YORK, NY

Position in MSEX

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$6,223,258

-$1,428,768 QoQ

Shares Held

110,813

-24.6% QoQ

Ownership

0.588%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#24

of 226 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Utilities · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $96,736,195 across 11 Utilities - Regulated Water names. MSEX ranks #6 (6.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SBS	Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp	7,547,490	$43,624,492
2	ARTNA	Artesian Resources Corp	301,156	$10,236,292
3	CWCO	Consolidated Water Co. Ltd.	308,267	$9,093,876
4	WTRG	Essential Utilities, Inc.	235,283	$9,013,691
5	CWT	California Water Service Group	144,200	$7,015,330
6	MSEX	Middlesex Water Co This page	110,813	$6,223,258
7	YORW	York Water Co	168,236	$5,156,433
8	HTO	H2o America	53,245	$3,235,698

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,223,258	110,813	-24.6%	Shares	Sole	2026-08-13
2026-03-31	$7,652,026	147,013	+13.8%	Shares	Sole	2026-05-14
2025-12-31	$6,514,919	129,213	-39.9%	Shares	Sole	2026-02-12
2025-09-30	$11,636,503	215,013	+6.0%	Shares	Sole	2025-11-13
2025-06-30	$10,993,826	202,913	+12.5%	Shares	Sole	2025-08-13
2025-03-31	$11,564,473	180,413	+11.9%	Shares	Sole	2025-05-14
2024-12-31	$8,484,640	161,213	-14.1%	Shares	Sole	2025-02-13
2024-09-30	$12,239,024	187,600	-28.6%	Shares	Sole	2024-11-13
2024-06-30	$13,728,702	262,700	-7.7%	Shares	Sole	2024-08-09
2024-03-31	$14,946,750	284,700	+37.9%	Shares	Sole	2024-05-13
2023-12-31	$13,543,968	206,400	+2.1%	Shares	Sole	2024-02-13
2023-09-30	$13,389,125	202,100	+2.8%	Shares	Sole	2023-11-14
2023-06-30	$15,859,046	196,616	-6.9%	Shares	Sole	2023-08-11
2023-03-31	$16,491,132	211,100	-6.9%	Shares	Sole	2023-05-12
2022-12-31	$17,842,356	226,800	+33.7%	Shares	Sole	2023-02-13
2022-09-30	$13,093,120	169,600	-18.3%	Shares	Sole	2022-11-14
2022-06-30	$18,193,600	207,500	-3.6%	Shares	Sole	2022-08-12
2022-03-31	$22,643,101	215,300	-10.3%	Shares	Sole	2022-05-13
2021-12-31	$28,884,030	240,100	-11.6%	Shares	Sole	2022-02-11
2021-09-30	$27,925,326	271,700	-12.6%	Shares	Sole	2021-11-12
2021-06-30	$25,401,684	310,800	-11.1%	Shares	Sole	2021-08-13
2021-03-31	$27,625,392	349,600	-19.7%	Shares	Sole	2021-05-13
2020-12-31	$31,567,932	435,600	-6.3%	Shares	Sole	2021-02-10
2020-09-30	$28,899,750	465,000	-5.6%	Shares	Sole	2020-11-13
2020-06-30	$33,106,304	492,800	-6.8%	Shares	Sole	2020-08-13
2020-03-31	$31,785,444	528,700	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.