CABLE ONE INC (CABO) Top Institutional Shareholders
CABLE ONE INC (CABO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $504.22M in CABO holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of CABO tracked by InsiderSet, reporting ownership valued at approximately $65.48M in its March 31, 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 $30.92M, representing an estimated loss of -52.78% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed CABO value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Bank Of Montreal, D. E. Shaw & Co., Inc., and several other long-term asset managers with concentrated positions in CABLE ONE INC (CABO).
This page ranks the largest institutional CABO 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
190
Total Reported Value
$504.22M
Largest Holder
Blackrock, Inc.
Largest Position
$65.48M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
170
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 717,897 | $65,479,387 | $30,919,824 | -$34,559,563 | -52.78% | |
| Bank Of Montreal | 0.02% | 441,547 | $40,273,502 | $19,017,429 | -$21,256,073 | -52.78% | |
| D. E. Shaw & Co., Inc. | 0.03% | 392,351 | $35,786,335 | $16,898,558 | -$18,887,777 | -52.78% | |
| Private Management Group Inc | 0.80% | 304,400 | $27,764,324 | $13,110,508 | -$14,653,816 | -52.78% | |
| Rothschild & Co Wealth Management Uk Ltd | 0.39% | 280,084 | $25,546,462 | $12,063,218 | -$13,483,244 | -52.78% | |
| Davenport & Co Llc | 0.12% | 244,722 | $22,321,093 | $10,540,177 | -$11,780,916 | -52.78% | |
| Goldman Sachs Group Inc | 0.00% | 223,498 | $20,385,258 | $9,626,059 | -$10,759,199 | -52.78% | |
| Vanguard Capital Management Llc | 0.00% | 198,911 | $18,142,672 | $8,567,097 | -$9,575,575 | -52.78% | |
| Dimensional Fund Advisors Lp | 0.00% | 190,437 | $17,371,442 | $8,202,122 | -$9,169,320 | -52.78% | |
| State Street Corp | 0.00% | 185,938 | $16,959,405 | $8,008,350 | -$8,951,055 | -52.78% | |
| American Century Companies Inc | 0.01% | 177,177 | $16,160,314 | $7,631,013 | -$8,529,301 | -52.78% | |
| Brown Advisory Inc | 0.03% | 170,181 | $15,522,129 | $7,329,696 | -$8,192,433 | -52.78% | |
| Charles Schwab Investment Management Inc | 0.00% | 163,254 | $14,890,397 | $7,031,350 | -$7,859,047 | -52.78% | |
| Marshall Wace, Llp | 0.02% | 160,756 | $14,662,554 | $6,923,761 | -$7,738,793 | -52.78% | |
| Geode Capital Management, Llc | 0.00% | 117,112 | $10,684,638 | $5,044,014 | -$5,640,624 | -52.79% | |
| Morgan Stanley | 0.00% | 114,155 | $10,412,153 | $4,916,656 | -$5,495,497 | -52.78% | |
| Vanguard Portfolio Management Llc | 0.00% | 105,470 | $9,619,919 | $4,542,593 | -$5,077,326 | -52.78% | |
| Man Group Plc | 0.02% | 88,734 | $8,093,428 | $3,821,773 | -$4,271,655 | -52.78% | |
| Aqr Capital Management Llc | 0.00% | 87,041 | $7,939,009 | $3,748,856 | -$4,190,153 | -52.78% | |
| Public Sector Pension Investment Board | 0.02% | 73,807 | $6,731,936 | $3,178,867 | -$3,553,069 | -52.78% | |
| Goldentree Asset Management Lp | 0.39% | 73,180 | $6,640,486 | $3,151,863 | -$3,488,623 | -52.54% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 53,900 | $4,916,219 | $2,321,473 | -$2,594,746 | -52.78% |
| Invesco Ltd. | 0.00% | 53,015 | $4,835,498 | $2,283,356 | -$2,552,142 | -52.78% | |
| Northern Trust Corp | 0.00% | 48,853 | $4,455,883 | $2,104,099 | -$2,351,784 | -52.78% | |
| Principal Financial Group Inc | 0.00% | 40,551 | $3,698,657 | $1,746,532 | -$1,952,125 | -52.78% | |
| Bridgeway Capital Management, Llc | 0.06% | 32,946 | $3,005,005 | $1,418,984 | -$1,586,021 | -52.78% | |
| Vanguard Fiduciary Trust Co | 0.00% | 30,651 | $2,795,678 | $1,320,139 | -$1,475,539 | -52.78% | |
| Quantinno Capital Management Lp | 0.00% | 30,392 | $2,772,067 | $1,308,983 | -$1,463,084 | -52.78% | |
| Storebrand Asset Management As | 0.00% | 1,542 | $2,694,102 | $66,414 | -$2,627,688 | -97.53% | |
| Bank Of New York Mellon Corp | 0.00% | 29,417 | $2,683,141 | $1,266,990 | -$1,416,151 | -52.78% | |
| Quinn Opportunity Partners Llc | 0.13% | 28,201 | $2,572,213 | $1,214,617 | -$1,357,596 | -52.78% | |
| Fmr Llc | 0.00% | 24,088 | $2,197,093 | $1,037,470 | -$1,159,623 | -52.78% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 23,946 | $2,184,115 | $1,031,354 | -$1,152,761 | -52.78% | |
| Wittenberg Investment Management, Inc. | 0.80% | 23,500 | $2,143,435 | $1,012,145 | -$1,131,290 | -52.78% | |
| Susquehanna Portfolio Strategies, Llc | 0.03% | 22,792 | $2,078,858 | $981,651 | -$1,097,207 | -52.78% | |
| Lee Danner & Bass Inc | 0.12% | 21,350 | $1,947,334 | $919,545 | -$1,027,790 | -52.78% | |
| Tudor Investment Corp Et Al | 0.01% | 20,955 | $1,911,306 | $902,532 | -$1,008,774 | -52.78% | |
| Empowered Funds, Llc | 0.01% | 20,641 | $1,882,666 | $889,008 | -$993,658 | -52.78% | |
| Long Focus Capital Management, Llc | 0.08% | 19,777 | $1,803,860 | $851,795 | -$952,065 | -52.78% | |
| Balyasny Asset Management L.P. | 0.00% | 19,321 | $1,762,268 | $832,155 | -$930,113 | -52.78% | |
| Castleknight Management Lp | 0.07% | 15,500 | $1,413,755 | $667,585 | -$746,170 | -52.78% | |
| Silver Rock Financial Lp | 2.76% | 15,000 | $1,368,150 | $646,050 | -$722,100 | -52.78% | |
| Engineers Gate Manager Lp | 0.02% | 14,990 | $1,367,238 | $645,619 | -$721,619 | -52.78% | |
| Ubs Group Ag | 0.00% | 14,731 | $1,343,615 | $634,464 | -$709,151 | -52.78% | |
| Rhumbline Advisers | 0.00% | 14,405 | $1,313,863 | $620,423 | -$693,440 | -52.78% | |
| Creative Planning | 0.00% | 13,969 | $1,274,112 | $601,645 | -$672,467 | -52.78% | |
| Nuveen, Llc | 0.00% | 13,532 | $1,234,253 | $582,823 | -$651,430 | -52.78% | |
| Prudential Financial Inc | 0.00% | 13,444 | $1,226,227 | $579,033 | -$647,194 | -52.78% | |
| Sei Investments Co | 0.00% | 12,798 | $1,167,291 | $551,210 | -$616,081 | -52.78% | |
| Caprock Group, Llc | 0.03% | 12,441 | $1,134,744 | $535,834 | -$598,910 | -52.78% |
Frequently asked questions about CABO
Who owns the most CABO stock?
The largest holders of CABO 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 CABLE ONE INC (CABO).
Is CABO widely held by superinvestors?
Many widely followed stocks like CABO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly CABO 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.