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Equibles

YORW

York Water Co

Company with tickers: YORW

CIK
108985
CUSIP
987184108
Shares Outstanding
16,209,339
13F Activity (30d)
124 filings 116 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 178
Total Value: $261,104,976
Total Shares: 8,574,880
Showing 1–100 of 180 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 178 13F filers · Δ vs Dec 31, 2025
Top Holder
12.6%
Jun 2023 → Mar 2026 · range 12.6% – 23.9%
−8.7 pts
Top 5
40.5%
Jun 2023 → Mar 2026 · range 40.5% – 57.0%
−13.2 pts
Top 10
58.4%
Jun 2023 → Mar 2026 · range 58.4% – 71.1%
−11.2 pts
HHI
473
Jun 2023 → Mar 2026 · range 473 – 940
Broadly held −351

Quarterly Activity

vs Dec 31, 2025
New
33
Increased
52
Decreased
53
Sold Out
17
Unchanged
40
Holder count: +16
Institutional value: -7.0%
Shares held: -2.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC +125,687 144,670
Large RENAISSANCE TECHNOLOGIES LLC +91,200 204,036
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP +86,917 326,730
Large HRT FINANCIAL LP +63,590 83,341
Mega CITADEL ADVISORS LLC +43,439 51,539

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega BlackRock, Inc. −794,710 1,078,412
Mega Legal & General Group Plc −93,652 299,700
Mega RAYMOND JAMES FINANCIAL INC −33,932 7,156
Mid CenterBook Partners LP −30,578 57,482
Mega Invesco Ltd. −16,319 81,622

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 653,993 $19,914,086
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 293,006 $8,922,032
Mega JANE STREET GROUP, LLC 148,172 $4,511,837
Mega VANGUARD FIDUCIARY TRUST CO 93,313 $2,841,380
Large Qube Research & Technologies Ltd 57,588 $1,753,554

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 1,081,959 $34,449,574
Mega PRINCIPAL FINANCIAL GROUP INC 65,527 $2,086,379
Small Sageworth Trust Co 13,657 $434,838
Mid Global Retirement Partners, LLC 12,892 $410,481
Large SG Americas Securities, LLC 12,881 $410,131
Filter: New 33 Increased 52 Reduced 53 Sold out 17 Unchanged 40
Showing 100 of 180
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $32,837,641 12.58% 1,078,412
Mid Zimmer Partners, LP $22,310,014 8.54% 732,677
Mega MORGAN STANLEY $20,156,313 7.72% 661,948
Mega VANGUARD CAPITAL MANAGEMENT LLC $19,914,086 7.63% 653,993
Mega GEODE CAPITAL MANAGEMENT, LLC $10,494,013 4.02% 344,631
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $9,948,928 3.81% 326,730
Mega STATE STREET CORP $9,894,483 3.79% 324,942
Mega Legal & General Group Plc $9,125,864 3.50% 299,700
Mega DIMENSIONAL FUND ADVISORS LP $9,009,514 3.45% 295,879
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $8,922,032 3.42% 293,006
Large RENAISSANCE TECHNOLOGIES LLC $6,212,896 2.38% 204,036
Large ProShare Advisors LLC $5,836,777 2.24% 191,684
Mega GOLDMAN SACHS GROUP INC $4,758,299 1.82% 156,266
Mega JANE STREET GROUP, LLC $4,511,837 1.73% 148,172
Mega Bank of New York Mellon Corp Bank $4,452,062 1.71% 146,209
Mega MILLENNIUM MANAGEMENT LLC $4,405,201 1.69% 144,670
Large GABELLI FUNDS LLC $4,069,429 1.56% 133,643
Mega NORTHERN TRUST CORP Bank $3,742,578 1.43% 122,909
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $3,596,632 1.38% 118,116
Mega AQR CAPITAL MANAGEMENT LLC $3,583,656 1.37% 117,690
Mega TWO SIGMA INVESTMENTS, LP $3,404,523 1.30% 111,807
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,841,380 1.09% 93,313
Mid Penn Capital Management Company, LLC $2,718,301 1.04% 89,271
Large HRT FINANCIAL LP $2,537,733 0.97% 83,341
Large State of New Jersey Common Pension Fund D Pension $2,497,783 0.96% 82,029
Mega Invesco Ltd. $2,485,388 0.95% 81,622
Mega BANK OF AMERICA CORP /DE/ Bank $1,954,250 0.75% 64,179
Large Quantinno Capital Management LP $1,763,816 0.68% 57,925
Large Qube Research & Technologies Ltd $1,753,554 0.67% 57,588
Mid CenterBook Partners LP $1,750,326 0.67% 57,482
Mega LPL Financial LLC $1,387,088 0.53% 45,553
Mega Nuveen, LLC $1,368,300 0.52% 44,936
Mid Brooklyn Investment Group $1,343,027 0.51% 44,106
Mid GAMCO INVESTORS, INC. ET AL $1,324,575 0.51% 43,500
Mega UBS Group AG $1,308,861 0.50% 42,984
Large MARSHALL WACE, LLP $1,263,248 0.48% 41,486
Small JOHN G ULLMAN & ASSOCIATES INC $1,128,172 0.43% 37,050
Mega CITADEL ADVISORS LLC $999,947 0.38% 32,839
Small Teton Advisors, LLC $961,306 0.37% 31,570
Mid North Star Investment Management Corp. $852,600 0.33% 28,000
Large STOREBRAND ASSET MANAGEMENT AS $825,377 0.32% 27,106
Mega FMR LLC $807,107 0.31% 26,506
Mid Campbell & CO Investment Adviser LLC $770,263 0.30% 25,296
Large Point72 Asset Management, L.P. $698,370 0.27% 22,935
Mega WELLS FARGO & COMPANY/MN $668,985 0.26% 21,970
Large Russell Investments Group, Ltd. $656,197 0.25% 21,550
Large Squarepoint Ops LLC $640,180 0.25% 21,024
Micro Johnson & White Wealth Management, LLC $639,571 0.24% 21,004
Mega PNC FINANCIAL SERVICES GROUP, INC. $589,479 0.23% 19,359
Large Creative Planning $586,375 0.22% 19,257
Mega D. E. Shaw & Co., Inc. $583,939 0.22% 19,177
Small Dynamic Technology Lab Private Ltd $582,782 0.22% 19,139
Mega RHUMBLINE ADVISERS $576,205 0.22% 18,923
Mega CITADEL ADVISORS LLC $569,415 0.22% 18,700
Mid Inspire Investing, LLC $513,173 0.20% 16,853
Large FIRST MANHATTAN CO. LLC. $499,380 0.19% 16,400
Mid Fulton Bank, N.A. $490,000 0.19% 16,092
Mid OCCUDO QUANTITATIVE STRATEGIES LP $487,656 0.19% 16,015
Mid Merit Financial Group, LLC $478,186 0.18% 15,704
Large Trexquant Investment LP $443,230 0.17% 14,556
Small HARBOR INVESTMENT ADVISORY, LLC $442,651 0.17% 14,537
Mid XTX Topco Ltd $436,683 0.17% 14,341
Small RKL Wealth Management LLC $422,006 0.16% 13,859
Mid Engineers Gate Manager LP $410,953 0.16% 13,496
Mid Clear Harbor Asset Management, LLC $405,746 0.16% 13,325
Small ELCO Management Co., LLC $401,209 0.15% 13,176
Small Odyssean, LLC $396,184 0.15% 13,011
Large MERCER GLOBAL ADVISORS INC /ADV $376,118 0.14% 12,352
Mega ALLIANCEBERNSTEIN L.P. $374,260 0.14% 12,291
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $363,542 0.14% 11,939
Mid Cullen Capital Management, LLC $359,523 0.14% 11,807
Small OXFORD ASSET MANAGEMENT LLP $358,426 0.14% 11,771
Mid Ballentine Partners, LLC $348,682 0.13% 11,451
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $335,071 0.13% 11,004
Large Mariner, LLC $322,739 0.12% 10,599
Mid Atria Investments, Inc $322,587 0.12% 10,594
Large Cambridge Investment Research Advisors, Inc. $315,218 0.12% 10,352
Small Empirical Asset Management, LLC $309,524 0.12% 10,165
Mega PRICE T ROWE ASSOCIATES INC /MD/ $301,759 0.12% 9,910
Mega DEUTSCHE BANK AG\ Bank $298,044 0.11% 9,788
Large Janney Montgomery Scott LLC $297,405 0.11% 9,767
Mid Quadrature Capital Ltd $292,654 0.11% 9,611
Mega BARCLAYS PLC $290,918 0.11% 9,554
Large Baird Financial Group, Inc. $280,505 0.11% 9,212
Micro COLLECTIVE FAMILY OFFICE LLC Family Office $279,256 0.11% 9,171
Mega AMERIPRISE FINANCIAL INC $277,917 0.11% 9,127
Mid Quantbot Technologies LP $277,399 0.11% 9,110
Large Cetera Investment Advisers $272,618 0.10% 8,953
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $269,391 0.10% 8,847
Large CWM, LLC $261,504 0.10% 8,588
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $258,825 0.10% 8,500
Mid Perigon Wealth Management, LLC $257,211 0.10% 8,447
Large MetLife Investment Management, LLC $253,009 0.10% 8,309
Small MIRABELLA FINANCIAL SERVICES LLP $248,350 0.10% 8,156
Mega Vanguard Global Advisers, LLC $243,600 0.09% 8,000
Small Retirement Planning Co of New England, Inc. Pension $235,926 0.09% 7,748
Mid Midwest Trust Co Bank $231,450 0.09% 7,601
Mid SYON CAPITAL LLC $223,898 0.09% 7,353
Mega RAYMOND JAMES FINANCIAL INC $217,900 0.08% 7,156
Large Cerity Partners LLC $217,717 0.08% 7,150

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