DOSSIER · 13F Holders · Q1 2026Technology · Computer Communications Equipment
FFIV

F5 INC

759 institutions still hold F5 INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 315616102·Computer Communications Equipment·759 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$10.3B
visible holders
Holders
759
filers reporting
Concentration
17.46%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

759 institutions reported FFIV in Q1 2026. BlackRock, Inc. leads at 17.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.8B6.2M0.03%Q1 2026
02
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
CIK 0001164833
$1.3B4.6M4.09%Q1 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.1B3.7M0.03%Q1 2026
04
STATE STREET CORP
CIK 0000093751
$862M3.0M0.03%Q1 2026
05
Vanguard Portfolio Management
CIK 0002100121· Index
$861M3.0M0.04%Q1 2026
06
Jericho Capital Asset Management L.P.
CIK 0001525234
$580M2.3M6.60%Q4 2025
07
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$504M1.7M0.03%Q1 2026
08
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$427M1.5M0.31%Q1 2026
09
Invesco Ltd.
CIK 0000914208
$418M1.4M0.06%Q1 2026
10
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$296M1.0M0.19%Q1 2026
11
LYRICAL ASSET MANAGEMENT LP
CIK 0001542302
$274M947K4.18%Q1 2026
12
MORGAN STANLEY
CIK 0000895421
$248M856K0.01%Q1 2026
13
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$237M818K0.04%Q1 2026
14
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$227M785K0.12%Q1 2026
15
AMERIPRISE FINANCIAL INC
CIK 0000820027
$226M782K0.05%Q1 2026
16
NORTHERN TRUST CORP
CIK 0000073124· Index
$213M736K0.03%Q1 2026
17
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$211M828K0.07%Q1 2026
18
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$193M682K0.09%Q1 2026
19
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 0001644956
$188M650K0.62%Q1 2026
20
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$174M603K0.04%Q1 2026
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739 more holders available. Log in →
Insiders at F5 INC
Buse ElizabethWerner Edward CooperWhalen Chad MichaelLocoh-Donou FrancoisFountain Thomas DeanOkeke Angelique MAnand KunalMontoya Michael F