DOSSIER · 13F Holders · Q1 2026Technology · Radio & Tv Broadcasting & Communications Equipment
HLIT

HARMONIC INC

269 institutions still hold HARMONIC INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 413160102·Radio & Tv Broadcasting & Communications Equipment·269 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$610M
visible holders
Holders
269
filers reporting
Concentration
28.19%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

269 institutions reported HLIT in Q1 2026. BlackRock, Inc. leads at 28.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$172M19.2M0.00%Q1 2026
02
Vanguard Portfolio Management
CIK 0002100121· Index
$55M6.1M0.00%Q1 2026
03
STATE STREET CORP
CIK 0000093751
$44M4.9M0.00%Q1 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$42M4.7M0.00%Q1 2026
05
D. E. Shaw & Co., Inc.
CIK 0001009207
$34M3.4M0.02%Q4 2025
06
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$33M3.7M0.01%Q1 2026
07
Trigran Investments, Inc.
CIK 0001336800
$29M3.2M6.91%Q1 2026
08
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$25M2.8M0.00%Q1 2026
09
Silverberg Bernstein Capital Management LLC
CIK 0002007880
$21M1.3M8.19%Q2 2026
10
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$20M2.1M0.01%Q1 2026
11
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$20M2.2M0.01%Q1 2026
12
MARSHALL WACE, LLP
CIK 0001318757
$18M1.8M0.02%Q4 2025
13
Leeward Investments, LLC - MA
CIK 0001923173
$15M1.7M0.75%Q1 2026
14
MORGAN STANLEY
CIK 0000895421
$15M1.7M0.00%Q1 2026
15
Nuveen, LLC
CIK 0001871926
$12M1.4M0.00%Q1 2026
16
Alyeska Investment Group, L.P.
CIK 0001453072
$12M1.2M0.03%Q4 2025
17
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$11M1.2M0.01%Q1 2026
18
NORTHERN TRUST CORP
CIK 0000073124· Index
$11M1.2M0.00%Q1 2026
19
First Eagle Investment Management, LLC
CIK 0001325447
$11M1.2M0.02%Q1 2026
20
SYSTEMATIC FINANCIAL MANAGEMENT LP
CIK 0001085936
$10M1.1M0.23%Q1 2026
Page 1 of 14
249 more holders available. Log in →
Insiders at HARMONIC INC
Glahn Ronald JHaltmayer NevenBen-Natan NimrodJankovic WalterChu Timothy CGallagher PatrickWhalen Daniel TKrall David