Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in HLIT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 18.0M | $294.0M | -6.1% | 16.595% | 0.00% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.4M | $88.0M | -12.2% | 4.967% | 0.00% |
| 3 | STATE STREET CORP | 5.1M | $84.1M | +5.9% | 4.745% | 0.00% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 4.8M | $77.9M | +1.5% | 4.397% | 0.00% |
| 5 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3.3M | $53.8M | +49.9% | 3.034% | 0.02% |
| 6 | AMERICAN CENTURY COMPANIES INC | 3.2M | $52.5M | +164.8% | 2.964% | 0.02% |
| 7 | DIMENSIONAL FUND ADVISORS LP | 2.9M | $47.7M | -20.5% | 2.690% | 0.01% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.9M | $46.6M | +2.1% | 2.630% | 0.00% |
| 9 | MORGAN STANLEY | 2.1M | $34.9M | +26.8% | 1.972% | 0.00% |
| 10 | Trigran Investments, Inc. | 1.9M | $31.0M | -41.0% | 1.749% | 5.68% |
| 11 | D. E. Shaw & Co., Inc. | 1.9M | $30.7M | -39.4% | 1.734% | 0.01% |
| 12 | TWO SIGMA INVESTMENTS, LP | 1.7M | $28.3M | +920.2% | 1.598% | 0.02% |
| 13 | RENAISSANCE TECHNOLOGIES LLC | 1.7M | $28.2M | +63.8% | 1.589% | 0.04% |
| 14 | Leeward Investments, LLC - MA | 1.7M | $27.2M | -2.0% | 1.535% | 1.24% |
| 15 | First Eagle Investment Management, LLC | 1.4M | $23.6M | +22.5% | 1.333% | 0.02% |
| 16 | Silverberg Bernstein Capital Management LLC | 1.3M | $21.4M | -1.4% | 1.207% | 8.19% |
| 17 | NORTHERN TRUST CORP | 1.2M | $19.4M | -0.7% | 1.094% | 0.00% |
| 18 | Nuveen, LLC | 1.1M | $18.7M | -16.4% | 1.054% | 0.00% |
| 19 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 1.1M | $18.0M | -3.3% | 1.014% | 0.36% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $17.2M | +0.9% | 0.969% | 0.00% |
| 21 | MILLENNIUM MANAGEMENT LLC | 843K | $13.8M | +11.6% | 0.777% | 0.00% |
| 22 | JPMORGAN CHASE & CO | 819K | $13.0M | +203.0% | 0.755% | 0.00% |
| 23 | VANGUARD FIDUCIARY TRUST CO | 776K | $12.7M | +6.6% | 0.716% | 0.00% |
| 24 | MARSHALL WACE, LLP | 754K | $12.3M | -47.8% | 0.695% | 0.01% |
| 25 | Hillsdale Investment Management Inc. | 736K | $12.0M | +9.8% | 0.678% | 0.27% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in HLIT β a direct measure of their conviction.
Filings activity in HLIT during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new HLIT position in Q2 2026
Institutions that fully closed their HLIT position in Q2 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 260 | +4.0% | 86.41% | +3.21 pp | $1.43B | +76% |
| Q1 2026 | 250 | 2.7% | 83.20% | 5.31 pp | $816M | 15% |
| Q4 2025 | 257 | +8.4% | 88.51% | 0.45 pp | $955M | 4.3% |
| Q3 2025 | 237 | 2.5% | 88.96% | 1.09 pp | $997M | +5.8% |
| Q2 2025 | 243 | 0.8% | 90.05% | 1.21 pp | $943M | 4.3% |
| Q1 2025 | 245 | +7.9% | 91.26% | 3.21 pp | $985M | 31% |
| Q4 2024 | 227 | +2.3% | 94.47% | +3.10 pp | $1.43B | 6.3% |
| Q3 2024 | 222 | β | 91.37% | β | $1.53B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying HLIT stock.
Based on Q2 2026 13F filings, institutional ownership of Harmonic Inc. stands at 86.4%, held across 260 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of HLIT, with approximately 18,004,412 shares worth $0.29B as of Q2 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of HLIT, including TWO SIGMA INVESTMENTS, LP, RENAISSANCE TECHNOLOGIES LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for HLIT is 72 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
51 institutions opened new positions in HLIT during Q2 2026, while 42 fully exited. 181 added to existing positions and 22 trimmed.
HLIT institutional ownership rose by 3.21 percentage points quarter-over-quarter, with a net change of +10 holders.
The top 10 institutions account for 56.5% of all reported 13F value in HLIT, and the top 25 account for 77.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Harmonic Inc. (HLIT) Institutional Ownership