HARMONIC INC (HLIT) Institutional Shareholders
HARMONIC INC (HLIT) 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 $1.43B in HLIT holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of HLIT tracked by InsiderSet, reporting ownership valued at approximately $294.01M 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 $241.80M, representing an estimated loss of -17.76% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed HLIT value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in HARMONIC INC (HLIT).
This page ranks the largest institutional HLIT 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
255
Total Reported Value
$1.43B
Largest Holder
Blackrock, Inc.
Largest Position
$294.01M
Insider Transactions (90d)
18
Latest Filing Quarter
Q2 2026
New Institutional Positions
63
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% | 18,004,412 | $294,012,045 | $241,799,253 | -$52,212,792 | -17.76% | |
| Vanguard Portfolio Management Llc | 0.00% | 5,389,426 | $88,009,327 | $72,379,991 | -$15,629,336 | -17.76% | |
| State Street Corp | 0.00% | 5,147,739 | $84,062,578 | $69,134,135 | -$14,928,443 | -17.76% | |
| Vanguard Capital Management Llc | 0.00% | 4,770,651 | $77,904,731 | $64,069,843 | -$13,834,888 | -17.76% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 3,291,847 | $53,755,862 | $44,209,505 | -$9,546,357 | -17.76% | |
| American Century Companies Inc | 0.02% | 3,215,450 | $52,508,298 | $43,183,494 | -$9,324,805 | -17.76% | |
| Dimensional Fund Advisors Lp | 0.01% | 2,918,817 | $47,661,184 | $39,199,712 | -$8,461,472 | -17.75% | |
| Geode Capital Management, Llc | 0.00% | 2,853,280 | $46,602,773 | $38,319,550 | -$8,283,223 | -17.77% | |
| Morgan Stanley | 0.00% | 2,139,718 | $34,941,602 | $28,736,413 | -$6,205,189 | -17.76% | |
| Trigran Investments, Inc. | 5.68% | 1,897,838 | $30,991,695 | $25,487,964 | -$5,503,731 | -17.76% | |
| D. E. Shaw & Co., Inc. | 0.02% | 1,881,400 | $30,723,262 | $25,267,202 | -$5,456,060 | -17.76% | |
| Two Sigma Investments, Lp | 0.02% | 1,733,447 | $28,307,190 | $23,280,193 | -$5,026,997 | -17.76% | |
| Renaissance Technologies LLC | Jim Simons | 0.04% | 1,724,427 | $28,159,893 | $23,159,055 | -$5,000,838 | -17.76% |
| Leeward Investments, Llc - Ma | 1.24% | 1,665,067 | $27,190,544 | $22,361,850 | -$4,828,694 | -17.76% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.04% | 1,446,133 | $23,615,352 | $19,421,566 | -$4,193,786 | -17.76% |
| Silverberg Bernstein Capital Management Llc | 8.19% | 1,309,257 | $21,380,167 | $17,583,322 | -$3,796,845 | -17.76% | |
| Northern Trust Corp | 0.00% | 1,186,522 | $19,375,905 | $15,934,990 | -$3,440,915 | -17.76% | |
| Nuveen, Llc | 0.00% | 1,143,896 | $18,679,822 | $15,362,523 | -$3,317,299 | -17.76% | |
| Systematic Financial Management Lp | 0.36% | 1,100,266 | $17,967,354 | $14,776,572 | -$3,190,782 | -17.76% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,051,381 | $17,169,052 | $14,120,047 | -$3,049,005 | -17.76% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 1,051,381 | $17,169,052 | $14,120,047 | -$3,049,005 | -17.76% | |
| Millennium Management Llc | 0.01% | 843,479 | $13,774,012 | $11,327,923 | -$2,446,089 | -17.76% | |
| Jpmorgan Chase & Co | 0.00% | 819,321 | $12,987,816 | $11,003,481 | -$1,984,335 | -15.28% | |
| Vanguard Fiduciary Trust Co | 0.00% | 776,474 | $12,679,820 | $10,428,046 | -$2,251,774 | -17.76% | |
| Marshall Wace, Llp | 0.01% | 754,012 | $12,313,016 | $10,126,381 | -$2,186,635 | -17.76% | |
| Hillsdale Investment Management Inc. | 0.27% | 735,900 | $12,017,247 | $9,883,137 | -$2,134,110 | -17.76% | |
| Goldman Sachs Group Inc | 0.00% | 710,388 | $11,600,636 | $9,540,511 | -$2,060,125 | -17.76% | |
| Needham Investment Management Llc | 0.34% | 700,000 | $11,431,000 | $9,401,000 | -$2,030,000 | -17.76% | |
| Principal Financial Group Inc | 0.01% | 698,541 | $11,407,175 | $9,381,406 | -$2,025,769 | -17.76% | |
| Bank Of New York Mellon Corp | 0.00% | 643,553 | $10,509,220 | $8,642,917 | -$1,866,303 | -17.76% | |
| Invesco Ltd. | 0.00% | 642,394 | $10,490,294 | $8,627,351 | -$1,862,943 | -17.76% | |
| Norges Bank | 0.00% | 622,662 | $10,168,070 | $8,362,351 | -$1,805,719 | -17.76% | |
| Point72 Asset Management, L.P. | 0.01% | 573,131 | $9,359,229 | $7,697,149 | -$1,662,080 | -17.76% | |
| Silverback Asset Management Llc | 1.08% | 525,000 | $8,573,250 | $7,050,750 | -$1,522,500 | -17.76% | |
| Public Sector Pension Investment Board | 0.02% | 517,824 | $8,456,066 | $6,954,376 | -$1,501,690 | -17.76% | |
| Ameriprise Financial Inc | 0.00% | 517,367 | $8,448,605 | $6,948,239 | -$1,500,366 | -17.76% | |
| Jane Street Group, Llc | 0.01% | 501,917 | $8,196,305 | $6,740,745 | -$1,455,560 | -17.76% | |
| Scopia Capital Management Lp | 7.16% | 489,806 | $7,998,532 | $6,578,095 | -$1,420,437 | -17.76% | |
| Fmr Llc | 0.00% | 479,851 | $7,835,966 | $6,444,399 | -$1,391,567 | -17.76% | |
| Impax Asset Management Group Plc | 0.05% | 475,000 | $7,756,750 | $6,379,250 | -$1,377,500 | -17.76% | |
| Susquehanna International Group, Llp | 0.01% | 453,450 | $7,404,839 | $6,089,834 | -$1,315,006 | -17.76% | |
| State Of Wisconsin Investment Board | 0.01% | 359,779 | $5,875,191 | $4,831,832 | -$1,043,359 | -17.76% | |
| Squarepoint Ops Llc | 0.01% | 344,782 | $5,630,290 | $4,630,422 | -$999,868 | -17.76% | |
| Citadel Advisors Llc | 0.00% | 326,032 | $5,324,103 | $4,378,610 | -$945,493 | -17.76% | |
| Aqr Capital Management Llc | 0.00% | 320,124 | $5,227,625 | $4,299,265 | -$928,360 | -17.76% | |
| Intech Investment Management Llc | 0.04% | 277,125 | $4,525,451 | $3,721,789 | -$803,662 | -17.76% | |
| Herald Investment Management Ltd | 0.59% | 267,000 | $4,357,440 | $3,585,810 | -$771,630 | -17.71% | |
| Royce & Associates Lp | 0.04% | 266,192 | $4,346,915 | $3,574,959 | -$771,956 | -17.76% | |
| Rhumbline Advisers | 0.00% | 265,533 | $4,336,135 | $3,566,108 | -$770,027 | -17.76% | |
| Legal & General Group Plc | 0.00% | 244,427 | $3,991,493 | $3,282,655 | -$708,838 | -17.76% |
Frequently asked questions about HLIT
Who owns the most HLIT stock?
The largest holders of HLIT 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 HARMONIC INC (HLIT).
Is HLIT widely held by superinvestors?
Many widely followed stocks like HLIT appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly HLIT 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.