HLIT

Harmonic Inc$12.20 6.08%
Communication ServicesUSCUSIP 413160102· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
194
-11 QoQ
13F Value (tracked)
$765.9M
Insider Net · 180d
-$478K
0↑ 2↓
Recent Filings
15
Smart-money sentimentBearish
BearishBullish
13F funds (latest Q)29 adding · 24 trimming
Insider net (180d)-$478K

Price & smart-money activity

$12.20 6.08%5Y +58.4%
$6.84$9.94$13.05$16.15$19.252021202220232024202520267925861032
Hover for who · click for detailEnd-of-day closing prices52w $8.35 – $17.11
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Ask your agent what changed in HLIT

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/HLIT/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for HLIT.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

194 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$172.1M
19.2M
−0.4%
Reduced · −80K sh
Q1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$55.1M
6.1M
New
+6.1M sh
Q1 2026
3STATE STREET CORP
$43.7M
4.9M
+8.7%
Added · +390K sh
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$42.2M
4.7M
New
+4.7M sh
Q1 2026
5DIMENSIONAL FUND ADVISORS LP
$33.0M
3.7M
+5.4%
Added · +188K sh
Q1 2026
6D. E. Shaw & Co., Inc.
$27.9M
3.1M
−8.8%
Reduced · −299K sh
Q1 2026
7GEODE CAPITAL MANAGEMENT, LLC
$25.1M
2.8M
+2.1%
Added · +59K sh
Q1 2026
8ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
$19.7M
2.2M
+2.5%
Added · +54K sh
Q1 2026
9ALLIANCEBERNSTEIN L.P.
$20.4M
2.1M
−14%
Reduced · −342K sh
Q1 2026
10Leeward Investments, LLC - MA
$15.3M
1.7M
−2.5%
Reduced · −43K sh
Q1 2026
11MORGAN STANLEY
$15.2M
1.7M
−6.5%
Reduced · −118K sh
Q1 2026
12MARSHALL WACE, LLP
$13.0M
1.4M
−22%
Reduced · −397K sh
Q1 2026
13Nuveen, LLC
$12.3M
1.4M
+14%
Added · +168K sh
Q1 2026
14Silverberg Bernstein Capital Management LLC
$21.4M
1.3M
−1.4%
Reduced · −18K sh
Q2 2026
15AMERICAN CENTURY COMPANIES INC
$10.9M
1.2M
+107%
Added · +627K sh
Q1 2026
16NORTHERN TRUST CORP
$10.7M
1.2M
+2.2%
Added · +25K sh
Q1 2026
17First Eagle Investment Management, LLC
$10.6M
1.2M
+39%
Added · +331K sh
Q1 2026
18SYSTEMATIC FINANCIAL MANAGEMENT LP
$10.2M
1.1M
−1.0%
Reduced · −12K sh
Q1 2026
19RENAISSANCE TECHNOLOGIES LLC
$9.5M
1.1M
+121%
Added · +576K sh
Q1 2026
20CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$9.4M
1.0M
+0.4%
Added · +5K sh
Q1 2026
21Qube Research & Technologies Ltd
$8.5M
945K
−16%
Reduced · −182K sh
Q1 2026
22Alyeska Investment Group, L.P.
$7.2M
804K
−33%
Reduced · −405K sh
Q1 2026
23CITADEL ADVISORS LLC
$7.2M
801K
+175%
Added · +509K sh
Q1 2026
24MILLENNIUM MANAGEMENT LLC
$6.8M
756K
−69%
Reduced · −1.7M sh
Q1 2026
25VANGUARD FIDUCIARY TRUST CO
$6.5M
728K
New
+728K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
7
funds
Added
22
funds
Reduced
24
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$478K
2 insiders
Net
-$478K
2 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 15, 2026Glahn Ronald JSVP, Global Sales, BroadbandOption exercise (M)4K$0
Jul 15, 2026Glahn Ronald JSVP, Global Sales, BroadbandTax withholding (F)1K$13K
Jul 15, 2026Glahn Ronald JSVP, Global Sales, BroadbandOption exercise (M)4K$0
Jun 16, 2026Haltmayer NevenSVP & GM, Video BusinessOption exercise (M)45K$0
Jun 16, 2026Haltmayer NevenSVP & GM, Video BusinessTax withholding (F)24K$352K
Jun 16, 2026Haltmayer NevenSVP & GM, Video BusinessOption exercise (M)9K$0
Jun 16, 2026Haltmayer NevenSVP & GM, Video BusinessOption exercise (M)5K$0
Jun 16, 2026Haltmayer NevenSVP & GM, Video BusinessOption exercise (M)19K$0
Jun 11, 2026Jankovic WalterChief Financial OfficerOption exercise (M)1K$0
Jun 11, 2026Jankovic WalterChief Financial OfficerTax withholding (F)732$11K
Jun 11, 2026Jankovic WalterChief Financial OfficerOption exercise (M)1K$0
Jun 11, 2026Ben-Natan NimrodPresident and CEO, DirectorOption exercise (M)20K$0

Institutional ownership over time

189 funds+42 since Q3 2024
0100200Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $753.3M

Funds that own HLIT also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT85 funds$38.0B
ALPHABET INC-CL AGOOGL83 funds$24.6B
META PLATFORMS INC-CLASS AMETA83 funds$19.8B
AUTOMATIC DATA PROCESSINGADP83 funds$2.3B
BROADCOM INCAVGO82 funds$19.3B
MICRON TECHNOLOGY INCMU82 funds$8.0B
LAM RESEARCH CORPLRCX82 funds$4.4B
UNITEDHEALTH GROUP INCUNH82 funds$3.8B
CUMMINS INCCMI82 funds$2.2B
APPLE INCAAPL80 funds$44.6B
AMAZON.COM INCAMZN80 funds$28.9B
JPMORGAN CHASE & COJPM80 funds$11.5B

Ranked by how many of HLIT's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HLIT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.