Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in FFIV held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 6.2M | $1.80B | -0.7% | 11.031% | 0.03% |
| 2 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 4.6M | $1.32B | -16.3% | 8.102% | 4.09% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.7M | $1.06B | β | 6.494% | 0.03% |
| 4 | STATE STREET CORP | 3.0M | $861.9M | -4.0% | 5.271% | 0.03% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.0M | $860.9M | β | 5.265% | 0.05% |
| 6 | Jericho Capital Asset Management L.P. | 2.6M | $764.7M | +16.4% | 4.676% | 11.30% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1.7M | $504.3M | +1.6% | 3.083% | 0.03% |
| 8 | FIRST TRUST ADVISORS LP | 1.5M | $427.3M | -46.4% | 2.613% | 0.31% |
| 9 | Invesco Ltd. | 1.4M | $418.0M | -6.0% | 2.556% | 0.06% |
| 10 | VICTORY CAPITAL MANAGEMENT INC | 1.0M | $295.6M | +116.0% | 1.807% | 0.19% |
| 11 | LYRICAL ASSET MANAGEMENT LP | 947K | $274.1M | -4.0% | 1.676% | 4.18% |
| 12 | MORGAN STANLEY | 856K | $247.6M | +1.8% | 1.514% | 0.01% |
| 13 | WELLINGTON MANAGEMENT GROUP LLP | 818K | $236.6M | -2.5% | 1.447% | 0.04% |
| 14 | AMERICAN CENTURY COMPANIES INC | 785K | $227.1M | +14.7% | 1.389% | 0.12% |
| 15 | AMERIPRISE FINANCIAL INC | 782K | $226.1M | +301.6% | 1.383% | 0.05% |
| 16 | NORTHERN TRUST CORP | 736K | $212.9M | -22.4% | 1.302% | 0.03% |
| 17 | ALLIANCEBERNSTEIN L.P. | 828K | $211.4M | +300.9% | 1.466% | 0.07% |
| 18 | AQR CAPITAL MANAGEMENT LLC | 682K | $193.3M | +8.4% | 1.207% | 0.09% |
| 19 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 650K | $188.0M | +18.1% | 1.150% | 0.62% |
| 20 | DIMENSIONAL FUND ADVISORS LP | 603K | $174.5M | +0.7% | 1.067% | 0.04% |
| 21 | UBS ASSET MANAGEMENT AMERICAS INC | 582K | $168.5M | -8.5% | 1.030% | 0.04% |
| 22 | HSBC HOLDINGS PLC | 580K | $167.7M | β | 1.026% | 0.09% |
| 23 | UBS Group AG | 573K | $165.8M | -44.0% | 1.014% | 0.02% |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 509K | $147.3M | +1.1% | 0.901% | 0.02% |
| 25 | Legal & General Group Plc | 490K | $141.9M | +2.0% | 0.868% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in FFIV β a direct measure of their conviction.
Filings activity in FFIV during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new FFIV position in Q1 2026
Institutions that fully closed their FFIV position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 707 | +6.2% | 70.22% | +4.61 pp | $15.72B | +7.0% |
| Q4 2025 | 666 | 9.8% | 65.61% | 10.37 pp | $14.69B | 14% |
| Q3 2025 | 738 | +3.2% | 75.98% | +6.51 pp | $17.01B | +9.4% |
| Q2 2025 | 715 | +6.4% | 69.47% | +8.04 pp | $15.56B | +13% |
| Q1 2025 | 672 | +7.3% | 61.43% | +2.36 pp | $13.76B | +4.0% |
| Q4 2024 | 626 | +10% | 59.07% | +8.59 pp | $13.23B | +17% |
| Q3 2024 | 569 | +10% | 50.48% | +8.72 pp | $11.30B | +21% |
| Q2 2024 | 517 | β | 41.76% | β | $9.35B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying FFIV stock.
Based on Q1 2026 13F filings, institutional ownership of F5, Inc. stands at 70.2%, held across 707 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of FFIV, with approximately 6,234,427 shares worth $1.80B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of FFIV.
Our composite Smart Money Score for FFIV is 54 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
129 institutions opened new positions in FFIV during Q1 2026, while 88 fully exited. 463 added to existing positions and 112 trimmed.
FFIV institutional ownership rose by 4.61 percentage points quarter-over-quarter, with a net change of +41 holders.
The top 10 institutions account for 52.9% of all reported 13F value in FFIV, and the top 25 account for 71.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.