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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 29 sales; 284 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.

Institutional holdersQ1 2026: 340 institutions
Q1 2021: 371 institutionsQ2 2021: 349 institutionsQ3 2021: 305 institutionsQ4 2021: 317 institutionsQ1 2022: 273 institutionsQ2 2022: 254 institutionsQ3 2022: 246 institutionsQ4 2022: 232 institutionsQ1 2023: 257 institutionsQ2 2023: 245 institutionsQ3 2023: 253 institutionsQ4 2023: 264 institutionsQ1 2024: 257 institutionsQ2 2024: 242 institutionsQ3 2024: 217 institutionsQ4 2024: 227 institutionsQ1 2025: 230 institutionsQ2 2025: 236 institutionsQ3 2025: 239 institutionsQ4 2025: 252 institutionsQ1 2026: 340 institutionsQ2 2026: 284 institutions
Value heldQ1 2026: $4.00B
Q1 2021: $4.95BQ2 2021: $4.48BQ3 2021: $2.93BQ4 2021: $2.78BQ1 2022: $1.27BQ2 2022: $924.7MQ3 2022: $695.8MQ4 2022: $655.1MQ1 2023: $1.50BQ2 2023: $1.35BQ3 2023: $1.79BQ4 2023: $1.65BQ1 2024: $1.14BQ2 2024: $669.8MQ3 2024: $737.0MQ4 2024: $875.5MQ1 2025: $620.6MQ2 2025: $706.8MQ3 2025: $899.6MQ4 2025: $1.17BQ1 2026: $4.00BQ2 2026: $2.73B
Institutions holding FSLY and their total value by quarter
QuarterHoldersValue
Q2 2026284$2.73B
Q1 2026340$4.00B
Q4 2025252$1.17B
Q3 2025239$899.6M
Q2 2025236$706.8M
Q1 2025230$620.6M
Q4 2024227$875.5M
Q3 2024217$737.0M
Q2 2024242$669.8M
Q1 2024257$1.14B
Q4 2023264$1.65B
Q3 2023253$1.79B
Q2 2023245$1.35B
Q1 2023257$1.50B
Q4 2022232$655.1M
Q3 2022246$695.8M
Q2 2022254$924.7M
Q1 2022273$1.27B
Q4 2021317$2.78B
Q3 2021305$2.93B
Q2 2021349$4.48B
Q1 2021371$4.95B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Fastly, Inc.; share changes are against Q4 2025.

Institutions holding FSLY in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Group One Trading, L.P.79,571$2.31M0.08%+79,571New
180 Wealth Advisors, LLC78,316$2.28M0.26%−905−1.1%Reduced
MetLife Investment Management77,944$2.27M0.01%+1,219+1.6%Added
Sunbelt Securities, Inc.77,944$2.27M0.14%+7,076+10.0%Added
LPL Financial LLC77,390$2.25M0.00%+16,802+27.7%Added
Allianz Asset Management GmbH71,707$2.08M0.00%+71,707New
Boothbay Fund Management, LLC70,733$2.06M0.05%−16,254−18.7%Reduced
Royal Bank of Canada70,044$2.04M0.00%+30,163+75.6%Added
Convergence Investment Partners, LLC67,125$1.95M0.32%+67,125New
Janus Henderson Group PLC67,050$1.95M0.00%+13,900+26.2%Added
Sigma Planning Corp65,057$1.89M0.05%+65,057New
Bridgewater Associates, LP62,767$1.82M0.01%+62,767New
Vanguard Global Advisers, LLC59,632$1.73M0.00%+59,632New
Thoroughbred Financial Services, LLC59,063$1.72M0.10%+59,063New
Jefferies Financial Group Inc.58,660$1.70M0.02%+58,660New
Williamson Legacy Group, LLC58,612$1.70M1.28%+58,612New
Range Financial Group LLC57,363$1.67M0.56%+57,363New
Susquehanna Fundamental Investments, LLC57,285$1.66M0.06%−11,195−16.3%Reduced
Ieq Capital, LLC56,883$1.65M0.01%+45,623+405.2%Added
Toroso Investments, LLC56,045$1.63M0.01%+56,045New
Caitong International Asset Management Co., Ltd55,250$1.61M0.30%+51,240+1,277.8%Added
Dark Forest Capital Management LP54,304$1.58M0.14%−17,228−24.1%Reduced
Alliancebernstein L.P.154,936$1.58M0.00%+16,926+12.3%Added
Elo Mutual Pension Insurance Co50,906$1.48M0.02%+50,906New
Ninepoint Partners LP50,668$1.47M0.17%+50,668New
Polymer Capital Management (HK) LTD50,000$1.45M0.20%+50,000New
WBI Investments48,908$1.42M0.39%+48,908New
Millington Securities, LLC48,908$1.42M0.39%+48,908New
Amundi48,441$1.41M0.00%+2,129+4.6%Added
Concurrent Investment Advisors, LLC47,893$1.39M0.02%+8,900+22.8%Added
Huntleigh Advisors, Inc.46,520$1.35M0.23%+46,520New
Headlands Technologies LLC46,475$1.35M0.15%+46,475New
Mercer Global Advisors Inc45,572$1.32M0.00%+45,572New
Parallax Volatility Advisers, L.P.45,468$1.32M0.06%+45,468New
Cambridge Investment Research Advisors, Inc.45,241$1.31M0.00%+21,520+90.7%Added
Los Angeles Capital Management LLC44,440$1.29M0.01%+3,483+8.5%Added
New York State Common Retirement Fund44,332$1.29M0.00%+8,200+22.7%Added
Fifth Third Bancorp43,797$1.27M0.00%+43,797New
Intech Investment Management LLC41,324$1.20M0.01%−37,868−47.8%Reduced
Susquehanna Portfolio Strategies, LLC40,776$1.18M0.02%−22,750−35.8%Reduced
Brevan Howard Capital Management LP39,645$1.15M0.01%−2,959−6.9%Reduced
Simplex Trading, LLC39,355$1.14M0.04%+39,355New
Arizona State Retirement System38,985$1.13M0.01%+67+0.2%Added
Bannerstone Capital Management, LLC38,790$1.13M1.17%+38,790New
Police & Firemen's Retirement System of New Jersey37,993$1.10M0.01%00.0%Unchanged
Mariner, LLC37,919$1.10M0.00%+6,931+22.4%Added
Canada Pension Plan Investment Board36,000$1.05M0.00%−52,400−59.3%Reduced
Janney Montgomery Scott LLC35,197$1.02M0.00%+35,197New
STRS Ohio34,700$1.01M0.00%+10,100+41.1%Added
Vanguard Investments Australia, Ltd.34,562$1.00M0.00%+34,562New
State Board of Administration of Florida Retirement System33,854$983.8K0.00%00.0%Unchanged
Stephens Inc33,269$966.8K0.01%+33,269New
KLP Kapitalforvaltning AS31,200$906.7K0.00%+1,300+4.3%Added
Bridgeway Capital Management, LLC30,000$871.8K0.02%+30,000New
Havemeyer Place LP28,805$837.1K0.10%+28,805New
Envestnet Asset Management Inc26,024$756.3K0.00%+26,024New
REX Advisers, LLC25,800$749.7K4.38%+25,800New
Ares Systematic Credit Ltd28,388$724.5K0.57%−5,523−16.3%Reduced
Commerce Bank23,984$697.0K0.00%00.0%Unchanged
Quantinno Capital Management LP23,942$695.8K0.00%+3,786+18.8%Added
Pictet Asset Management Holding SA23,214$674.6K0.00%00.0%Unchanged
CWM, LLC22,857$664.2K0.00%+7,195+45.9%Added
Bank of Montreal22,856$664.2K0.00%+22,856New
RFG Advisory, LLC21,680$630.0K0.01%+21,680New
Wealth Enhancement Advisory Services, LLC18,687$626.0K0.00%+3,114+20.0%Added
ProShare Advisors LLC21,512$625.1K0.00%−5,041−19.0%Reduced
Vident Advisory, LLC20,764$603.4K0.01%−175−0.8%Reduced
State of Wyoming19,998$581.1K0.07%−33,818−62.8%Reduced
Polymer Capital Management (US) LLC19,834$576.4K0.09%+19,834New
Scientech Research LLC19,497$566.6K0.47%+19,497New
Skopos Labs, Inc.19,404$563.9K0.02%+19,404New
JustInvest LLC19,211$558.3K0.01%+8,541+80.0%Added
SBI Securities Co., Ltd.18,942$550.5K0.02%+3,843+25.5%Added
Larson Financial Group LLC18,879$548.6K0.02%+18,862+110,952.9%Added
Entropy Technologies, LP18,701$543.5K0.03%+18,701New
Strategic Investment Solutions, Inc.10,501$537.6K0.13%+10,501New
Captrust Financial Advisors18,331$532.6K0.00%+18,331New
Counterpoint Mutual Funds LLC18,264$530.8K0.08%+18,264New
Cerity Partners LLC18,023$523.7K0.00%+18,023New
Acadian Asset Management LLC17,441$503.0K0.00%+232+1.3%Added
Virtus ETF Advisers LLC17,200$499.8K0.23%00.0%Unchanged
Advisors Asset Management, Inc.17,032$494.9K0.01%+8,857+108.3%Added
CIBC World Markets Inc.16,944$492.4K0.00%+16,944New
Archer Investment Corp16,535$480.5K0.10%+16,535New
Commonwealth Equity Services, LLC16,193$470.6K0.00%+4,608+39.8%Added
Victory Capital Management Inc15,857$460.8K0.00%+106+0.7%Added
Nomura Holdings Inc15,714$456.6K0.00%+15,714New
NBC Securities, Inc.15,364$446.5K0.03%+15,364New
Fox Run Management, L.L.C.17,327$442.2K0.08%+17,327New
Tower Research Capital LLC (TRC)14,979$435.3K0.01%+12,056+412.5%Added
Jag Capital Management, LLC14,505$421.5K0.05%+14,505New
Gordian Capital Singapore Pte Ltd14,500$421.4K0.71%+14,500New
Financiere des Professionnels - Fonds d,investissement inc.14,302$415.6K0.02%+14,302New
EntryPoint Capital, LLC13,979$406.2K0.12%−15,512−52.6%Reduced
State of Wisconsin Investment Board13,846$402.4K0.00%+13,846New
Bayforest Capital Ltd13,461$391.2K0.44%+13,366+14,069.5%Added
Xponance, Inc.13,186$383.2K0.00%+2,283+20.9%Added
Ensign Peak Advisors, Inc12,858$373.7K0.00%00.0%Unchanged
Banque Cantonale Vaudoise12,812$372.0K0.01%+12,812New
Armistice Capital, LLC12,432$361.3K0.01%+12,432New