Harmonic Inc. (HLIT) Ownership
HLIT ownership summary
as of October 18, 2026- Institutions
- 86.3% of shares outstanding
- Insiders
- 1.83% of shares outstanding
- Shares outstanding
- 109.1M
- Float
- 107.0M shares available to trade
- Short interest
- 8.78% 6.8M shares short
- Days to cover
- 4.86 short interest up 8.0% vs prior month
- Institutions 86.31%
- Insiders 1.83%
- Other investors 11.85%
HLIT top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 16.51% | 18.0M | $192.5M | −1.2M (−6.1%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 4.94% | 5.4M | $57.6M | −745,127 (−12.1%) | June 30, 2026 |
| 3 | State Street Corp | 4.72% | 5.1M | $55.0M | +286,787 (+5.9%) | June 30, 2026 |
| 4 | T. Rowe Price Associates, Inc. | 4.39% | 4.8M | $51.2M | +4.7M (+3,648.1%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.37% | 4.8M | $51.0M | +70,297 (+1.5%) | June 30, 2026 |
| 6 | Arrowstreet Capital Limited Partnership | 3.02% | 3.3M | $35.2M | +1.1M (+49.9%) | June 30, 2026 |
| 7 | American Century Companies Inc | 2.95% | 3.2M | $34.4M | +2.0M (+164.8%) | June 30, 2026 |
| 8 | Dimensional Fund Advisors, Inc. | 2.68% | 2.9M | $31.2M | −754,581 (−20.5%) | June 30, 2026 |
| 9 | Arnhold & S. Bleichroeder Advisers, LLC | 2.65% | 2.9M | $30.9M | +1.7M (+144.9%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.62% | 2.9M | $30.5M | +59,032 (+2.1%) | June 30, 2026 |
| 11 | Morgan Stanley - Brokerage Accounts | 1.96% | 2.1M | $22.9M | +452,300 (+26.8%) | June 30, 2026 |
| 12 | Trigran Investments Inc | 1.74% | 1.9M | $20.3M | −1.3M (−41.0%) | June 30, 2026 |
| 13 | D. E. Shaw & Co LP | 1.73% | 1.9M | $20.1M | −1.2M (−39.3%) | June 30, 2026 |
| 14 | Two Sigma Investments LLC | 1.59% | 1.7M | $18.5M | +1.6M (+920.2%) | June 30, 2026 |
| 15 | Renaissance Technologies Corp | 1.58% | 1.7M | $18.4M | +671,500 (+63.8%) | June 30, 2026 |
| 16 | Leeward Investments, LLC - MA | 1.53% | 1.7M | $17.8M | −34,635 (−2.0%) | June 30, 2026 |
| 17 | Silverberg Bernstein Capital Management LLC | 1.14% | 1.2M | $13.3M | −65,390 (−5.0%) | September 30, 2026 |
| 18 | Northern Trust Corp | 1.09% | 1.2M | $12.7M | −7,754 (−0.6%) | June 30, 2026 |
| 19 | Nuveen, LLC | 1.05% | 1.1M | $12.2M | −223,805 (−16.4%) | June 30, 2026 |
| 20 | Systematic Financial Management LP | 1.01% | 1.1M | $11.8M | −37,481 (−3.3%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 12.6M shares and 10 cut 5.6M.
HLIT top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.95% | 6.5M | $69.4M | +1,677 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.14% | 3.4M | $36.6M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.60% | 2.8M | $30.3M | −32,704 (−1.1%) | September 30, 2026 |
| 4 | Avantis US Small Cap Value ETF | 2.54% | 2.8M | $29.6M | — | September 30, 2026 |
| 5 | Vanguard Information Technology ETF | 2.49% | 2.7M | $29.0M | +6,233 (+0.2%) | September 30, 2026 |
| 6 | T. Rowe Price New Horizons | 1.73% | 1.9M | $20.2M | — | September 30, 2026 |
| 7 | First Eagle Small Cap Opportunity I | 1.30% | 1.4M | $15.2M | +52,323 (+3.8%) | September 30, 2026 |
| 8 | State Street® SPDR® S&P® Telecom ETF | 1.23% | 1.3M | $14.4M | +12,814 (+1.0%) | September 30, 2026 |
| 9 | Fidelity Small Cap Index | 1.11% | 1.2M | $13.0M | +10,483 (+0.9%) | July 31, 2026 |
| 10 | iShares Russell 2000 Growth ETF | 0.93% | 1.0M | $10.9M | −1,290 (−0.1%) | September 30, 2026 |
| 11 | State Street SPDR Port S&P 600 Sm CpETF | 0.90% | 987K | $10.5M | — | September 30, 2026 |
| 12 | iShares S&P Small-Cap 600 Value ETF | 0.85% | 922K | $9.9M | — | September 30, 2026 |
| 13 | Vanguard Explorer Inv | 0.82% | 895K | $9.6M | +222,054 (+33.0%) | June 30, 2026 |
| 14 | Vanguard Tax-Managed Small Cap Adm | 0.73% | 793K | $8.5M | — | September 30, 2026 |
| 15 | Herald Ord | 0.72% | 785K | $8.4M | — | March 31, 2026 |
| 16 | T. Rowe Price Integrated US Sm Gr Eq | 0.66% | 718K | $7.7M | — | September 30, 2026 |
| 17 | Vanguard Russell 2000 ETF | 0.58% | 635K | $6.8M | −2,990 (−0.5%) | September 30, 2026 |
| 18 | Nuveen Quant Small Cap Equity R6 | 0.53% | 581K | $6.2M | +581,100 (0.0%) | August 31, 2026 |
| 19 | Schwab US Small-Cap ETF™ | 0.53% | 578K | $6.2M | +387 (+0.1%) | September 30, 2026 |
| 20 | State Street® SPDR® S&P 600™ Sm CpValETF | 0.52% | 572K | $6.1M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
HLIT insider transactions
latest 5| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-15 | Neven Haltmayer | Sell | $10.41 | 23,835 | $248,122 |
| 2025-12-12 | Neven Haltmayer | Sell | $10.61 | 6,165 | $65,411 |
| 2025-12-11 | David Krall | Buy | $10.50 | 47,528 | $499,044 |
| 2025-08-01 | Daniel T Whalen | Buy | $8.25 | 2,000 | $16,500 |
| 2025-05-30 | Daniel T Whalen | Buy | $8.99 | 2,000 | $17,980 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
HLIT shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns HLIT
Institutional investors own 86.3% of Harmonic's shares and insiders 1.83%. The largest holder is BlackRock Inc with 16.51% of the shares (18.0M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 10 reduced their stake in the latest filings. Short interest is 8.78% of the float, or 4.86 days of average trading volume. The share count rose 28.4% since 2014.
Related: HLIT analyst forecast, HLIT key metrics. See the HLIT stock overview for the latest quote and news.
HLIT ownership FAQ
Who owns the most Harmonic stock?
The largest shareholders of Harmonic are BlackRock Inc (16.51%), Vanguard Portfolio Management, LLC (4.94%), State Street Corp (4.72%), T. Rowe Price Associates, Inc. (4.39%), Vanguard Capital Management, LLC (4.37%).
What percentage of Harmonic is owned by institutions?
Institutions hold 86.3% of Harmonic's shares outstanding; insiders hold 1.83%.
Which funds own Harmonic?
The largest fund holders of Harmonic are iShares Core S&P Small-Cap ETF (5.95%), Vanguard MStar Total Stk Mkt Idx Invest (3.14%), iShares Russell 2000 ETF (2.60%), Avantis US Small Cap Value ETF (2.54%), Vanguard Information Technology ETF (2.49%).
What is Harmonic's short interest?
6.8M shares of Harmonic were sold short, 8.78% of the float; at the average daily volume it would take 4.86 days to cover.
Are insiders buying or selling Harmonic?
Of the latest 5 reported insider transactions in Harmonic (since May 30, 2025), 3 were purchases and 2 were sales.
How many shares of Harmonic are outstanding?
Harmonic has 109.1M shares outstanding, of which 107.0M are in the public float.