Stock Ownership/FTNT

FORTINET INC (FTNT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in FTNT · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
40
13F filers
Aggregate Value
$6.4B
Across holders
Last Price
$151.99
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity30 increased8 reduced1 exited
Full exits: Verition Fund Management LLC
Institutional Holders of FTNT
↗
40 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund10.13M$1.6B24.5%0.7%Added+$73.2MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund8.67M$1.3B21.0%0.5%Added+$1.3BQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund4.85M$745.0M11.7%0.4%Added+$702.7MQ2 2026
Fundsmith LLP
CIK 0001569205
Institutional Manager3.63M$557.6M8.8%4.1%Reduced$-388.2MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund2.38M$365.5M5.8%0.0%Added+$58.6MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund2.17M$333.6M5.2%0.2%Added+$160.8MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund1.08M$165.7M2.6%0.1%Added+$98.1MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund968K$148.7M2.3%0.1%Unchanged$-4.9MQ2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund887K$136.2M2.1%0.4%Added+$80.7MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund828K$127.2M2.0%0.1%Added+$118.3MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$1.6B· 24.5% of total· 0.7% port· 10.13M sh· +$73.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.3B· 21.0% of total· 0.5% port· 8.67M sh· +$1.3B QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$745.0M· 11.7% of total· 0.4% port· 4.85M sh· +$702.7M QoQ· Q2 2026
Fundsmith LLPReduced
Institutional Manager
$557.6M· 8.8% of total· 4.1% port· 3.63M sh· $-388.2M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$365.5M· 5.8% of total· 0.0% port· 2.38M sh· +$58.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$333.6M· 5.2% of total· 0.2% port· 2.17M sh· +$160.8M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$165.7M· 2.6% of total· 0.1% port· 1.08M sh· +$98.1M QoQ· Q2 2026
MARSHALL WACE, LLPUnchanged
Hedge Fund
$148.7M· 2.3% of total· 0.1% port· 968K sh· $-4.9M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$136.2M· 2.1% of total· 0.4% port· 887K sh· +$80.7M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$127.2M· 2.0% of total· 0.1% port· 828K sh· +$118.3M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDReduced
Hedge Fund
$99.5M· 1.6% of total· 0.5% port· 645K sh· $-45.2M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$90.4M· 1.4% of total· 0.4% port· 588K sh· +$18.5M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$87.6M· 1.4% of total· 0.1% port· 570K sh· $-64.1M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$86.5M· 1.4% of total· 0.2% port· 563K sh· $-32.5M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$77.6M· 1.2% of total· 0.1% port· 505K sh· +$4.4M QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$73.8M· 1.2% of total· 0.1% port· 480K sh· +$855K QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$70.8M· 1.1% of total· 0.1% port· 461K sh· $-208.3M QoQ· Q2 2026
PineBridge Investments, L.P.Added
Hedge Fund
$62.2M· 1.0% of total· 0.5% port· 740K sh· +$12.0M QoQ· Q3 2025
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$58.6M· 0.9% of total· 0.1% port· 382K sh· +$57.0M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$53.2M· 0.8% of total· 0.1% port· 346K sh· +$50.6M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$36.1M· 0.6% of total· 0.1% port· 235K sh· +$11.1M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALUnchanged
Institutional Manager
$16.3M· 0.3% of total· 0.1% port· 106K sh· +$0 QoQ· Q2 2026
MOORE CAPITAL MANAGEMENT, LPAdded
Hedge Fund
$12.3M· 0.2% of total· 0.2% port· 80K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$8.8M· 0.1% of total· 0.9% port· 57K sh· — QoQ· Q2 2026
Ruffer LLPReduced
Hedge Fund
$8.0M· 0.1% of total· 0.3% port· 52K sh· $-62K QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$7.7M· 0.1% of total· 0.1% port· 50K sh· +$2.7M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$6.8M· 0.1% of total· 0.0% port· 44K sh· — QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$6.7M· 0.1% of total· 0.0% port· 43K sh· $-685K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$6.3M· 0.1% of total· 0.0% port· 41K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$6.0M· 0.1% of total· 0.0% port· 39K sh· +$1.9M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$4.7M· 0.1% of total· 0.0% port· 31K sh· $-4.7M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$2.2M· 0.0% of total· 0.0% port· 14K sh· $-2.0M QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$1.6M· 0.0% of total· 0.0% port· 10K sh· +$9K QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Reduced
Hedge Fund
$1.2M· 0.0% of total· 0.0% port· 8K sh· $-10.8M QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$1.1M· 0.0% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$460K· 0.0% of total· 0.0% port· 3K sh· +$55K QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$300K· 0.0% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$278K· 0.0% of total· 0.0% port· 2K sh· $-10.0M QoQ· Q2 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$275K· 0.0% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
Alphadyne Asset Management LPAdded
Hedge Fund
$55K· 0.0% of total· 0.0% port· 355 sh· $-1.3M QoQ· Q2 2026
1–10 of 40
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