Who owns Fastly, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of FSLY from SEC Form 13F filings across 284 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 284 institutions disclosed 148.4M shares of Fastly, Inc. worth $2.73B — about 94.2% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
284
13F holders
$2.73B
value, 2026 filers
94.2%
of shares outstanding (148.4M sh)
55
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of FSLY's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 15.2M | $279.5M | 0.0% | 9.7% | +22.4% |
| 2 | FMR LLC | 11.9M | $218.3M | 0.0% | 7.5% | +37.7% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 9.8M | $180.2M | 0.0% | 6.2% | -10.9% |
| 4 | Capital World Investors | 8.2M | $151.1M | 0.0% | 5.2% | +119.2% |
| 5 | FIRST TRUST ADVISORS LP | 7.7M | $141.0M | 0.1% | 4.9% | +9.2% |
| 6 | D. E. Shaw & Co., Inc. | 6.6M | $121.5M | 0.1% | 4.2% | +152.2% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 6.3M | $115.9M | 0.0% | 4% | +5.3% |
| 8 | TWO SIGMA INVESTMENTS, LP | 6.1M | $111.3M | 0.1% | 3.8% | +8.0% |
| 9 | Penserra Capital Management LLC | 4.6M | $84.9M | 0.7% | 2.9% | +30.6% |
| 10 | Legal & General Group Plc | 4.4M | $80.1M | 0.0% | 2.8% | -45.8% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 3.9M | $71.8M | 0.0% | 2.5% | +9.3% |
| 12 | STATE STREET CORP | 3.5M | $64.9M | 0.0% | 2.2% | +8.7% |
| 13 | Alyeska Investment Group, L.P.NEW | 3.2M | $58.1M | 0.1% | 2% | new |
| 14 | DIMENSIONAL FUND ADVISORS LP | 3.1M | $56.3M | 0.0% | 1.9% | +11.8% |
| 15 | JANE STREET GROUP, LLC | 2.6M | $47.7M | 0.0% | 1.6% | +2.3% |
| 16 | Driehaus Capital Management LLC | 2.5M | $46.7M | 0.3% | 1.6% | +203.5% |
| 17 | GOLDMAN SACHS GROUP INC | 2.5M | $45.6M | 0.0% | 1.6% | +111.0% |
| 18 | VOYA INVESTMENT MANAGEMENT LLC | 2.4M | $44.8M | 0.0% | 1.5% | -38.0% |
| 19 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.3M | $42.0M | 0.0% | 1.5% | +8.6% |
| 20 | FULLER & THALER ASSET MANAGEMENT, INC. | 2.2M | $40.2M | 0.1% | 1.4% | +1.4% |
| 21 | MORGAN STANLEY | 2.1M | $38.3M | 0.0% | 1.3% | +43.0% |
| 22 | Connor, Clark & Lunn Investment Management Ltd. | 1.9M | $35.5M | 0.1% | 1.2% | +38.8% |
| 23 | Nuveen, LLC | 1.8M | $33.4M | 0.0% | 1.2% | -2.4% |
| 24 | NORTHERN TRUST CORP | 1.8M | $32.2M | 0.0% | 1.1% | +6.1% |
| 25 | Divisadero Street Capital Management, LP | 1.7M | $31.1M | 0.7% | 1.1% | +653.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.