— Know what they know.
Not Investment Advice
Also trades as: 0J38.L (LSE) · $vol 0M

HLIT NASDAQ

Harmonic Inc.
1W: -13.9% 1M: +4.7% 3M: +41.5% YTD: +33.8% 1Y: +41.3% 3Y: -24.9% 5Y: +90.5%
$13.41
-0.68 (-4.83%)
Pre-Market: $13.18 (-0.23, -1.72%)
Weekly Expected Move ±15.0%
$9 $11 $13 $15 $17
NASDAQ · Technology · Communication Equipment · Alpha Radar Neutral · Power 56 · $1.5B mcap · 107M float · 2.33% daily turnover · Short 22% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
302
Institutions Holding
+13 vs prior
48.5%
Ownership
-18.29%
39 New
67 Increased
168 Reduced
83 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-06-01 Haltmayer Neven officer: svp & gm, video business F-Tax Withholding 1,452 $15.81 $23K Filing
2026-05-22 Jankovic Walter officer: chief financial officer F-Tax Withholding 3,335 $15.20 $51K Filing
2026-05-15 Glahn Ronald J officer: svp, global sales, broadband F-Tax Withholding 1,111 $12.54 $14K Filing
2026-05-15 Jankovic Walter officer: chief financial officer F-Tax Withholding 9,099 $12.54 $114K Filing
2026-05-15 Jankovic Walter officer: chief financial officer M-Option Exercise 19,785 $— $0 Filing
2026-05-15 Chu Timothy C officer: general counsel & svp, hr F-Tax Withholding 3,475 $12.54 $44K Filing
2026-05-15 Chu Timothy C officer: general counsel & svp, hr M-Option Exercise 9,876 $— $0 Filing
2026-05-15 Ben-Natan Nimrod officer: president and ceo M-Option Exercise 26,196 $— $0 Filing
2026-05-15 Haltmayer Neven officer: svp & gm, video business F-Tax Withholding 6,057 $12.54 $76K Filing
2026-05-15 Haltmayer Neven officer: svp & gm, video business M-Option Exercise 11,373 $— $0 Filing
2026-04-15 Glahn Ronald J officer: svp, global sales, broadband F-Tax Withholding 1,042 $9.88 $10K Filing
2026-03-11 Jankovic Walter officer: chief financial officer F-Tax Withholding 513 $9.34 $5K Filing
2026-03-01 Haltmayer Neven officer: svp & gm, video business F-Tax Withholding 1,451 $10.63 $15K Filing
2026-02-22 Jankovic Walter officer: chief financial officer F-Tax Withholding 2,338 $10.90 $25K Filing
2026-02-15 Jankovic Walter officer: chief financial officer F-Tax Withholding 16,456 $10.68 $176K Filing
2026-02-15 Jankovic Walter officer: chief financial officer M-Option Exercise 45,273 $— $0 Filing
2026-02-15 Haltmayer Neven officer: svp & gm, video business F-Tax Withholding 18,144 $10.68 $194K Filing
2026-02-15 Haltmayer Neven officer: svp & gm, video business M-Option Exercise 32,991 $— $0 Filing
2026-02-15 Glahn Ronald J officer: svp, global sales, broadband F-Tax Withholding 4,429 $10.68 $47K Filing
2026-02-15 Chu Timothy C officer: general counsel & svp, hr F-Tax Withholding 9,925 $10.68 $106K Filing
2026-02-15 Chu Timothy C officer: general counsel & svp, hr M-Option Exercise 26,570 $— $0 Filing
2026-02-15 Ben-Natan Nimrod officer: president and ceo M-Option Exercise 90,413 $— $0 Filing
2025-12-15 Haltmayer Neven officer: svp & gm, video business S-Sale 14,414 $10.41 $150K Filing
2025-12-15 Haltmayer Neven officer: svp & gm, video business S-Sale 9,421 $10.42 $98K Filing
2025-12-12 Haltmayer Neven officer: svp & gm, video business S-Sale 6,165 $10.61 $65K Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 19,165,249 $172M -79,504 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 6,134,553 $55M +6,134,553 2026-03-31 Filing
STATE STREET CORP 4,860,952 $44M +389,765 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 4,700,354 $42M +4,700,354 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 3,673,398 $33M +188,293 2026-03-31 Filing
Trigran Investments, Inc. 3,216,835 $29M -4,566 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 2,794,248 $25M +58,599 2026-03-31 Filing
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 2,196,469 $20M +54,157 2026-03-31 Filing
Leeward Investments, LLC - MA 1,699,702 $15M -43,456 2026-03-31 Filing
Nuveen, LLC 1,367,701 $12M +168,084 2026-03-31 Filing
Silverberg Bernstein Capital Management 1,327,455 $12M +27,817 2026-03-31 Filing
AMERICAN CENTURY COMPANIES INC 1,214,235 $11M +627,280 2026-03-31 Filing
NORTHERN TRUST CORP 1,194,276 $11M +25,407 2026-03-31 Filing
First Eagle Investment Management, LLC 1,180,876 $11M +331,000 2026-03-31 Filing
SYSTEMATIC FINANCIAL MANAGEMENT LP 1,137,747 $10M -11,969 2026-03-31 Filing
RENAISSANCE TECHNOLOGIES LLC 1,052,927 $9M +575,800 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1,042,038 $9M +4,549 2026-03-31 Filing
Qube Research & Technologies Ltd 945,131 $8M -182,130 2026-03-31 Filing
HERALD INVESTMENT MANAGEMENT Ltd 785,000 $7M 2026-03-31 Filing
VANGUARD FIDUCIARY TRUST CO 728,451 $7M +728,451 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms