YORK WATER CO (YORW) Institutional Shareholders
YORK WATER CO (YORW) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $320.26M in YORW holdings during the latest filing period.
Zimmer Partners, Lp is currently the largest disclosed institutional shareholder of YORW tracked by InsiderSet, reporting ownership valued at approximately $43.52M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $46.91M, representing an estimated gain of +7.80% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed YORW value among the investors covered in this analysis. Major shareholders include Zimmer Partners, Lp, Blackrock, Inc., Morgan Stanley, and several other long-term asset managers with concentrated positions in YORK WATER CO (YORW).
This page ranks the largest institutional YORW shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
166
Total Reported Value
$320.26M
Largest Holder
Zimmer Partners, Lp
Largest Position
$43.52M
Insider Transactions (90d)
11
Latest Filing Quarter
Q2 2026
New Institutional Positions
77
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Zimmer Partners, Lp | 1.03% | 1,419,877 | $43,519,230 | $46,912,736 | +$3,393,506 | +7.80% | |
| Blackrock, Inc. | 0.00% | 1,281,673 | $39,283,274 | $42,346,476 | +$3,063,202 | +7.80% | |
| Morgan Stanley | 0.00% | 713,351 | $21,864,257 | $23,569,117 | +$1,704,860 | +7.80% | |
| Vanguard Capital Management Llc | 0.00% | 712,799 | $21,847,289 | $23,550,879 | +$1,703,590 | +7.80% | |
| Geode Capital Management, Llc | 0.00% | 421,682 | $12,927,206 | $13,932,373 | +$1,005,167 | +7.78% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 362,561 | $11,112,495 | $11,979,015 | +$866,520 | +7.80% | |
| State Street Corp | 0.00% | 346,037 | $10,683,624 | $11,433,062 | +$749,438 | +7.01% | |
| Vanguard Portfolio Management Llc | 0.00% | 323,129 | $9,903,904 | $10,676,182 | +$772,278 | +7.80% | |
| Legal & General Group Plc | 0.00% | 321,660 | $9,858,879 | $10,627,646 | +$768,767 | +7.80% | |
| Dimensional Fund Advisors Lp | 0.00% | 311,672 | $9,552,933 | $10,297,643 | +$744,710 | +7.80% | |
| Aqr Capital Management Llc | 0.00% | 277,196 | $8,496,045 | $9,158,556 | +$662,511 | +7.80% | |
| Reaves W H & Co Inc | 0.13% | 275,000 | $8,428,750 | $9,086,000 | +$657,250 | +7.80% | |
| Proshare Advisors Llc | 0.01% | 226,682 | $6,947,802 | $7,489,573 | +$541,771 | +7.80% | |
| Qube Research & Technologies Ltd | 0.01% | 212,450 | $6,511,593 | $7,019,348 | +$507,755 | +7.80% | |
| Two Sigma Investments, Lp | 0.00% | 193,737 | $5,938,039 | $6,401,070 | +$463,031 | +7.80% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 168,236 | $5,156,433 | $5,558,517 | +$402,084 | +7.80% |
| Bank Of New York Mellon Corp | 0.00% | 153,816 | $4,714,455 | $5,082,081 | +$367,626 | +7.80% | |
| Gabelli Funds Llc | 0.03% | 151,793 | $4,652,455 | $5,015,241 | +$362,786 | +7.80% | |
| Northern Trust Corp | 0.00% | 144,906 | $4,441,368 | $4,787,694 | +$346,326 | +7.80% | |
| Charles Schwab Investment Management Inc | 0.00% | 135,135 | $4,141,888 | $4,464,860 | +$322,972 | +7.80% | |
| Vanguard Fiduciary Trust Co | 0.00% | 106,828 | $3,274,278 | $3,529,597 | +$255,319 | +7.80% | |
| Penn Capital Management Company, Llc | 0.19% | 97,796 | $2,997,447 | $3,231,180 | +$233,733 | +7.80% | |
| Invesco Ltd. | 0.00% | 96,967 | $2,972,038 | $3,203,790 | +$231,752 | +7.80% | |
| John G Ullman & Associates Inc | 0.35% | 92,975 | $2,849,684 | $3,071,894 | +$222,210 | +7.80% | |
| Goldman Sachs Group Inc | 0.00% | 91,883 | $2,816,216 | $3,035,814 | +$219,598 | +7.80% | |
| Wells Fargo & Company/Mn | 0.00% | 89,264 | $2,735,939 | $2,949,283 | +$213,344 | +7.80% | |
| Millennium Management Llc | 0.00% | 78,850 | $2,416,752 | $2,605,204 | +$188,452 | +7.80% | |
| Empire Financial Management Company, Llc | 0.88% | 72,366 | $2,218,017 | $2,390,973 | +$172,956 | +7.80% | |
| Quantinno Capital Management Lp | 0.00% | 68,237 | $2,091,464 | $2,254,550 | +$163,086 | +7.80% | |
| Bank Of America Corp | 0.00% | 65,139 | $1,996,510 | $2,152,193 | +$155,683 | +7.80% | |
| State Of New Jersey Common Pension Fund D | 0.01% | 62,619 | $1,919,272 | $2,068,932 | +$149,660 | +7.80% | |
| Nuveen, Llc | 0.00% | 59,485 | $1,823,216 | $1,965,384 | +$142,168 | +7.80% | |
| Storebrand Asset Management As | 0.00% | 57,500 | $1,762,375 | $1,899,800 | +$137,425 | +7.80% | |
| Marshall Wace, Llp | 0.00% | 47,012 | $1,440,917 | $1,553,276 | +$112,359 | +7.80% | |
| Lpl Financial Llc | 0.00% | 45,144 | $1,383,662 | $1,491,558 | +$107,896 | +7.80% | |
| Brooklyn Investment Group | 0.04% | 44,106 | $1,343,028 | $1,457,262 | +$114,234 | +8.51% | |
| Gamco Investors, Inc. Et Al | 0.01% | 43,500 | $1,333,275 | $1,437,240 | +$103,965 | +7.80% | |
| Prospera Financial Services Inc | 0.02% | 41,575 | $1,274,271 | $1,373,638 | +$99,367 | +7.80% | |
| Centerbook Partners Lp | 0.06% | 36,989 | $1,133,713 | $1,222,117 | +$88,404 | +7.80% | |
| Ubs Group Ag | 0.00% | 32,116 | $984,356 | $1,061,113 | +$76,757 | +7.80% | |
| Teton Advisors, Llc | 0.57% | 31,910 | $978,042 | $1,054,306 | +$76,264 | +7.80% | |
| North Star Investment Management Corp. | 0.05% | 31,500 | $965,475 | $1,040,760 | +$75,285 | +7.80% | |
| Odyssean, Llc | 0.16% | 31,156 | $954,931 | $1,029,394 | +$74,463 | +7.80% | |
| Engineers Gate Manager Lp | 0.01% | 28,479 | $872,881 | $940,946 | +$68,065 | +7.80% | |
| Trexquant Investment Lp | 0.00% | 26,260 | $804,869 | $867,630 | +$62,761 | +7.80% | |
| Citadel Advisors Llc | 0.00% | 25,466 | $780,533 | $841,397 | +$60,864 | +7.80% | |
| Jump Financial, Llc | 0.01% | 25,200 | $772,380 | $832,608 | +$60,228 | +7.80% | |
| Cullen Capital Management, Llc | 0.01% | 22,899 | $701,854 | $756,583 | +$54,729 | +7.80% | |
| Inspire Investing, Llc | 0.03% | 22,034 | $675,342 | $728,003 | +$52,661 | +7.80% | |
| Campbell & Co Investment Adviser Llc | 0.04% | 22,030 | $675,220 | $727,871 | +$52,651 | +7.80% |
Frequently asked questions about YORW
Who owns the most YORW stock?
The largest holders of YORW are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for YORK WATER CO (YORW).
Is YORW widely held by superinvestors?
Many widely followed stocks like YORW appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly YORW is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.