FFIV F5, Inc.
F5, Inc. (FFIV) Institutional Ownership
What the institutions did with FFIV last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended September 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | 1.9M | 16.2% |
| ACADIAN ASSET MANAGEMENT LLC | 957.6K | 8.1% |
| Robeco Institutional Asset Management B.V. | 732.2K | 6.2% |
| Amundi | 631.6K | 5.3% |
| DIMENSIONAL FUND ADVISORS LP | 625.5K | 5.3% |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 547.0K | 4.6% |
| DEUTSCHE BANK AG\ | 476.1K | 4.0% |
| Pictet Asset Management Holding SA | 444.9K | 3.8% |
| Bank of New York Mellon Corp | 369.9K | 3.1% |
| Nuveen, LLC | 320.3K | 2.7% |
| Swedbank AB | 209.4K | 1.8% |
| FMR LLC | 188.8K | 1.6% |
| Russell Investments Group, Ltd. | 186.8K | 1.6% |
| Boston Trust Walden Corp | 171.1K | 1.4% |
| Assenagon Asset Management S.A. | 158.7K | 1.3% |
| DekaBank Deutsche Girozentrale | 148.7K | 1.3% |
| Mitsubishi UFJ Asset Management Co., Ltd. | 145.5K | 1.2% |
| BARCLAYS PLC | 137.9K | 1.2% |
| Sumitomo Mitsui Trust Group, Inc. | 129.8K | 1.1% |
| CITIGROUP INC | 124.2K | 1.1% |
| Nippon Life Global Investors Americas, Inc. | 115.8K | 1.0% |
| KBC Group NV | 99.1K | 0.8% |
| BANK OF MONTREAL /CAN/ | 98.6K | 0.8% |
| PFA Pension, Forsikringsaktieselskab | 91.2K | 0.8% |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 86.9K | 0.7% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| ACADIAN ASSET MANAGEMENT LLC | Increased | 342.4K | 957.6K | +615.2K |
| CITIGROUP INC | Reduced | 312.9K | 124.2K | -188.6K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.8M | 1.9M | +142.5K |
| Robeco Institutional Asset Management B.V. | Increased | 591.1K | 732.2K | +141.1K |
| FMR LLC | Reduced | 292.7K | 188.8K | -103.8K |
| DekaBank Deutsche Girozentrale | Increased | 65.8K | 148.7K | +82.9K |
| Amundi | Increased | 555.8K | 631.6K | +75.8K |
| DEUTSCHE BANK AG\ | Increased | 414.2K | 476.1K | +61.9K |
| KBC Group NV | Increased | 39.5K | 99.1K | +59.7K |
| Nuveen, LLC | Increased | 268.2K | 320.3K | +52.1K |
| Achmea Investment Management B.V. | New | 0 | 51.3K | +51.3K |
| Pictet Asset Management Holding SA | Increased | 400.2K | 444.9K | +44.6K |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | 586.3K | 547.0K | -39.3K |
| Aware Super Pty Ltd as trustee of Aware Super | Increased | 7.8K | 42.8K | +35.0K |
| ABN AMRO INVESTMENT SOLUTIONS | Increased | 5.8K | 40.1K | +34.4K |
| Aberdeen Group plc | Increased | 11.9K | 45.0K | +33.1K |
| STRS OHIO | Increased | 1.5K | 34.0K | +32.5K |
| Nippon Life Global Investors Americas, Inc. | Reduced | 148.3K | 115.8K | -32.5K |
| INTECH INVESTMENT MANAGEMENT LLC | Increased | 3.8K | 36.2K | +32.4K |
| Harel Insurance Investments & Financial Services Ltd. | Reduced | 31.0K | 137 | -30.8K |
| Squarepoint Ops LLC | Reduced | 62.0K | 31.3K | -30.7K |
| iA Global Asset Management Inc. | New | 0 | 29.0K | +29.0K |
| Assenagon Asset Management S.A. | Increased | 132.0K | 158.7K | +26.7K |
| BARCLAYS PLC | Increased | 112.1K | 137.9K | +25.8K |
| UniSuper Management Pty Ltd | Increased | 27.6K | 52.3K | +24.7K |
| Russell Investments Group, Ltd. | Increased | 162.3K | 186.8K | +24.4K |
| FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND | Reduced | 86.6K | 65.8K | -20.8K |
| BI Asset Management Fondsmaeglerselskab A/S | Reduced | 26.0K | 6.6K | -19.4K |
| NORDEA INVESTMENT MANAGEMENT AB | Reduced | 50.5K | 31.4K | -19.1K |
| ING GROEP NV | Increased | 6.9K | 25.9K | +19.0K |
| FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. | New | 0 | 17.3K | +17.3K |
| PFA Pension, Forsikringsaktieselskab | Reduced | 108.0K | 91.2K | -16.8K |
| Eurizon Capital SGR S.p.A. | Reduced | 53.4K | 37.1K | -16.3K |
| Kepler Cheuvreux (Suisse) SA | New | 0 | 14.3K | +14.3K |
| BANK OF MONTREAL /CAN/ | Reduced | 112.1K | 98.6K | -13.5K |
| Creative Planning | Increased | 32.3K | 45.6K | +13.3K |
| LSV ASSET MANAGEMENT | Reduced | 27.4K | 14.7K | -12.7K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 637.4K | 625.5K | -11.9K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | Increased | 3.1K | 13.8K | +10.7K |
| DDD Partners, LLC | Increased | 40.7K | 51.1K | +10.4K |
| Bank Julius Baer & Co. Ltd, Zurich | Increased | 15.2K | 25.5K | +10.4K |
| Rakuten Investment Management, Inc. | New | 0 | 10.2K | +10.2K |
| Mirae Asset Global Investments Co., Ltd. | Increased | 14.4K | 23.8K | +9.4K |
| LPL Financial LLC | Increased | 26.6K | 34.6K | +8.0K |
| Donoghue Forlines LLC | Sold Out | 7.7K | 0 | -7.7K |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | Increased | 16.5K | 23.7K | +7.2K |
| Swiss Life Asset Management Ltd | Reduced | 39.5K | 32.3K | -7.2K |
| New York Life Investment Management LLC | Reduced | 15.1K | 7.9K | -7.2K |
| Financiere des Professionnels - Fonds d'investissement inc. | Increased | 1.7K | 8.7K | +7.0K |
| UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO | New | 0 | 6.9K | +6.9K |
| Mitsubishi UFJ Asset Management Co., Ltd. | Increased | 138.8K | 145.5K | +6.7K |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 78.6K | 72.2K | -6.4K |
| SEIZERT CAPITAL PARTNERS, LLC | Reduced | 52.9K | 46.6K | -6.3K |
| Boston Trust Walden Corp | Reduced | 177.4K | 171.1K | -6.3K |
| Fisher Asset Management, LLC | Increased | 78.4K | 84.5K | +6.1K |
| SEB Asset Management AB | Reduced | 42.8K | 37.0K | -5.8K |
| Livforsakringsbolaget Skandia, Omsesidigt | Increased | 38.3K | 44.0K | +5.7K |
| HARBOR CAPITAL ADVISORS, INC. | Reduced | 5.6K | 282 | -5.3K |
| PensionDanmark Pensionsforsikringsaktieselskab | Increased | 8.7K | 13.6K | +4.9K |
| Sumitomo Mitsui Trust Group, Inc. | Reduced | 134.7K | 129.8K | -4.9K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.