Fastly, Inc.
FSLY- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001517413
In the last 90 days, Fastly, Inc. insiders filed 0 open-market purchases and 28 sales; 283 institutions reported holding it in 13F filings for Q2 2026, worth $2.73B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Fastly, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 340
- +91 vs. Q4 2025
- Shares held
- 138.1M
- +39.7M (+40.4%) vs. Q4 2025
- Total value
- $4.00B
- +$3.00B (+299.8%) vs. Q4 2025
- New holders
- 127
- 102 more added
- Sold out
- 36
- 72 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting FSLY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 283 | $2.73B |
| Q1 2026 | 340 | $4.00B |
| Q4 2025 | 252 | $1.17B |
| Q3 2025 | 239 | $899.6M |
| Q2 2025 | 236 | $706.8M |
| Q1 2025 | 230 | $620.6M |
| Q4 2024 | 227 | $875.5M |
| Q3 2024 | 217 | $737.0M |
| Q2 2024 | 242 | $669.8M |
| Q1 2024 | 257 | $1.14B |
| Q4 2023 | 264 | $1.65B |
| Q3 2023 | 253 | $1.79B |
| Q2 2023 | 245 | $1.35B |
| Q1 2023 | 257 | $1.50B |
| Q4 2022 | 232 | $655.1M |
| Q3 2022 | 246 | $695.8M |
| Q2 2022 | 254 | $924.7M |
| Q1 2022 | 273 | $1.27B |
| Q4 2021 | 317 | $2.78B |
| Q3 2021 | 305 | $2.93B |
| Q2 2021 | 349 | $4.48B |
| Q1 2021 | 371 | $4.95B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Fastly, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna Portfolio Strategies, LLC | 40,776 | $1.18M | 0.02% | −22,750−35.8% | Reduced |
| Intech Investment Management LLC | 41,324 | $1.20M | 0.01% | −37,868−47.8% | Reduced |
| Fifth Third Bancorp | 43,797 | $1.27M | 0.00% | +43,797 | New |
| New York State Common Retirement Fund | 44,332 | $1.29M | 0.00% | +8,200+22.7% | Added |
| Los Angeles Capital Management LLC | 44,440 | $1.29M | 0.01% | +3,483+8.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 45,241 | $1.31M | 0.00% | +21,520+90.7% | Added |
| Parallax Volatility Advisers, L.P. | 45,468 | $1.32M | 0.06% | +45,468 | New |
| Mercer Global Advisors Inc | 45,572 | $1.32M | 0.00% | +45,572 | New |
| Headlands Technologies LLC | 46,475 | $1.35M | 0.15% | +46,475 | New |
| Huntleigh Advisors, Inc. | 46,520 | $1.35M | 0.23% | +46,520 | New |
| Concurrent Investment Advisors, LLC | 47,893 | $1.39M | 0.02% | +8,900+22.8% | Added |
| Amundi | 48,441 | $1.41M | 0.00% | +2,129+4.6% | Added |
| WBI Investments | 48,908 | $1.42M | 0.39% | +48,908 | New |
| Millington Securities, LLC | 48,908 | $1.42M | 0.39% | +48,908 | New |
| Polymer Capital Management (HK) LTD | 50,000 | $1.45M | 0.20% | +50,000 | New |
| Ninepoint Partners LP | 50,668 | $1.47M | 0.17% | +50,668 | New |
| Elo Mutual Pension Insurance Co | 50,906 | $1.48M | 0.02% | +50,906 | New |
| Alliancebernstein L.P. | 154,936 | $1.58M | 0.00% | +16,926+12.3% | Added |
| Dark Forest Capital Management LP | 54,304 | $1.58M | 0.14% | −17,228−24.1% | Reduced |
| Caitong International Asset Management Co., Ltd | 55,250 | $1.61M | 0.30% | +51,240+1,277.8% | Added |
| Toroso Investments, LLC | 56,045 | $1.63M | 0.01% | +56,045 | New |
| Ieq Capital, LLC | 56,883 | $1.65M | 0.01% | +45,623+405.2% | Added |
| Susquehanna Fundamental Investments, LLC | 57,285 | $1.66M | 0.06% | −11,195−16.3% | Reduced |
| Range Financial Group LLC | 57,363 | $1.67M | 0.56% | +57,363 | New |
| Williamson Legacy Group, LLC | 58,612 | $1.70M | 1.28% | +58,612 | New |
| Jefferies Financial Group Inc. | 58,660 | $1.70M | 0.02% | +58,660 | New |
| Thoroughbred Financial Services, LLC | 59,063 | $1.72M | 0.10% | +59,063 | New |
| Vanguard Global Advisers, LLC | 59,632 | $1.73M | 0.00% | +59,632 | New |
| Bridgewater Associates, LP | 62,767 | $1.82M | 0.01% | +62,767 | New |
| Sigma Planning Corp | 65,057 | $1.89M | 0.05% | +65,057 | New |
| Janus Henderson Group PLC | 67,050 | $1.95M | 0.00% | +13,900+26.2% | Added |
| Convergence Investment Partners, LLC | 67,125 | $1.95M | 0.32% | +67,125 | New |
| Royal Bank of Canada | 70,044 | $2.04M | 0.00% | +30,163+75.6% | Added |
| Boothbay Fund Management, LLC | 70,733 | $2.06M | 0.05% | −16,254−18.7% | Reduced |
| Allianz Asset Management GmbH | 71,707 | $2.08M | 0.00% | +71,707 | New |
| LPL Financial LLC | 77,390 | $2.25M | 0.00% | +16,802+27.7% | Added |
| MetLife Investment Management | 77,944 | $2.27M | 0.01% | +1,219+1.6% | Added |
| Sunbelt Securities, Inc. | 77,944 | $2.27M | 0.14% | +7,076+10.0% | Added |
| 180 Wealth Advisors, LLC | 78,316 | $2.28M | 0.26% | −905−1.1% | Reduced |
| Group One Trading, L.P. | 79,571 | $2.31M | 0.08% | +79,571 | New |
| Manufacturers Life Insurance Company, The | 80,763 | $2.35M | 0.00% | +16,209+25.1% | Added |
| Picton Mahoney Asset Management | 85,325 | $2.48M | 0.03% | +85,325 | New |
| Susquehanna International Group, LLP | 88,070 | $2.56M | 0.00% | +20,931+31.2% | Added |
| Russell Investments Group, Ltd. | 88,541 | $2.57M | 0.00% | −95,028−51.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 89,118 | $2.59M | 0.01% | +34,764+64.0% | Added |
| Ameriprise Financial Inc | 93,039 | $2.70M | 0.00% | +93,039 | New |
| Vanguard Asset Management, Ltd | 94,688 | $2.75M | 0.00% | +94,688 | New |
| Knights of Columbus Asset Advisors LLC | 97,502 | $2.83M | 0.16% | −43,818−31.0% | Reduced |
| Franklin Resources Inc | 102,033 | $2.97M | 0.00% | +79,526+353.3% | Added |
| Hussman Strategic Advisors, Inc. | 105,000 | $3.05M | 0.66% | +105,000 | New |
| Citigroup Inc | 108,282 | $3.15M | 0.00% | −97,132−47.3% | Reduced |
| SEI Investments Co | 109,311 | $3.18M | 0.00% | +41,684+61.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 110,508 | $3.21M | 0.01% | +93,840+563.0% | Added |
| Walleye Capital LLC | 112,471 | $3.27M | 0.02% | +43,063+62.0% | Added |
| Neo Ivy Capital Management | 113,339 | $3.29M | 0.87% | +113,339 | New |
| XTX Topco Ltd | 115,245 | $3.35M | 0.06% | +75,704+191.5% | Added |
| Osterweis Capital Management Inc | 125,495 | $3.65M | 0.19% | +125,495 | New |
| American Century Companies Inc | 126,409 | $3.67M | 0.00% | −39,043−23.6% | Reduced |
| Wells Fargo & Company | 128,219 | $3.73M | 0.00% | −72,920−36.3% | Reduced |
| Engineers Gate Manager LP | 134,156 | $3.90M | 0.05% | +32,517+32.0% | Added |
| Advisor Group Holdings, Inc. | 139,761 | $4.06M | 0.01% | +81,336+139.2% | Added |
| Verition Fund Management LLC | 150,212 | $4.37M | 0.04% | −6,420−4.1% | Reduced |
| Science & Technology Partners, L.P. | 151,000 | $4.39M | 1.15% | +151,000 | New |
| Creative Planning | 151,021 | $4.39M | 0.00% | +87,739+138.6% | Added |
| Seldon Capital LP | 151,265 | $4.40M | 1.62% | +151,265 | New |
| California State Teachers Retirement System | 164,446 | $4.78M | 0.01% | +31,994+24.2% | Added |
| Gotham Asset Management, LLC | 175,679 | $5.11M | 0.02% | +113,344+181.8% | Added |
| BNP Paribas Arbitrage, SA | 176,843 | $5.14M | 0.00% | −143,324−44.8% | Reduced |
| Castleark Management LLC | 177,688 | $5.16M | 0.17% | +177,688 | New |
| Rhumbline Advisers | 182,284 | $5.30M | 0.00% | −407−0.2% | Reduced |
| EAM Investors, LLC | 205,508 | $5.97M | 0.69% | +205,508 | New |
| D L Carlson Investment Group Inc | 213,025 | $6.19M | 1.06% | +213,025 | New |
| Trexquant Investment LP | 218,808 | $6.36M | 0.05% | −55,799−20.3% | Reduced |
| Divisadero Street Capital Management, LP | 225,000 | $6.54M | 0.31% | +225,000 | New |
| Polen Capital Management LLC | 238,518 | $6.93M | 0.05% | +238,518 | New |
| Tenzing Global Management, LLC | 250,000 | $7.26M | 6.03% | +250,000 | New |
| Proem Advisors LLC | 259,343 | $7.54M | 2.49% | −10,657−3.9% | Reduced |
| Relyea Zuckerberg Hanson LLC | 259,838 | $7.55M | 0.76% | −14,000−5.1% | Reduced |
| Barclays PLC | 265,253 | $7.71M | 0.00% | −115,617−30.4% | Reduced |
| Prudential Financial Inc | 273,770 | $7.96M | 0.01% | −1,622,626−85.6% | Reduced |
| UBS Asset Management Americas Inc | 278,752 | $8.10M | 0.00% | −31,854−10.3% | Reduced |
| Swiss National Bank | 280,900 | $8.16M | 0.00% | +4,900+1.8% | Added |
| G2 Investment Partners Management LLC | 289,568 | $8.41M | 2.07% | +59,668+26.0% | Added |
| PDT Partners, LLC | 290,072 | $8.43M | 0.50% | −543,343−65.2% | Reduced |
| Jupiter Asset Management Ltd | 292,861 | $8.51M | 0.05% | +280,291+2,229.8% | Added |
| AQR Capital Management LLC | 315,147 | $8.62M | 0.00% | +53,905+20.6% | Added |
| Masters Capital Management LLC | 300,000 | $8.72M | 1.29% | +300,000 | New |
| IMC-Chicago, LLC | 315,110 | $9.16M | 0.14% | +219,662+230.1% | Added |
| Neuberger Berman Group LLC | 326,745 | $9.50M | 0.01% | +326,745 | New |
| JPMorgan Chase & Co | 413,133 | $10.5M | 0.00% | +92,405+28.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 389,593 | $11.3M | 0.02% | −32,431−7.7% | Reduced |
| Summit Partners Public Asset Management, LLC | 391,481 | $11.4M | 0.53% | +391,481 | New |
| Raymond James Financial Inc | 448,839 | $11.6M | 0.00% | +403,813+896.8% | Added |
| Berkshire Capital Holdings Inc | 403,830 | $11.7M | 4.23% | +403,830 | New |
| Jump Financial, LLC | 417,600 | $12.1M | 0.18% | +96,916+30.2% | Added |
| Citadel Advisors LLC | 460,314 | $13.4M | 0.01% | −1,552,316−77.1% | Reduced |
| Deutsche Bank AG | 514,786 | $15.0M | 0.00% | +379,158+279.6% | Added |
| Renaissance Technologies LLC | 518,354 | $15.1M | 0.02% | −119,100−18.7% | Reduced |
| GMT Capital Corp | 598,800 | $17.4M | 0.79% | +598,800 | New |
| SG Americas Securities, LLC | 685,415 | $19.9M | 0.02% | +339,587+98.2% | Added |