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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 28 sales; 283 institutions reported holding it in 13F filings for Q2 2026, worth $2.73B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Fastly, Inc. as of Dec 31, 2025. 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
252
+19 vs. Q3 2025
Shares held
115.3M
+10.6M (+10.1%) vs. Q3 2025
Total value
$1.17B
+$278.4M (+31.1%) vs. Q3 2025
New holders
57
81 more added
Sold out
38
62 more reduced

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 252 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: 283 institutions
Value heldQ4 2025: $1.17B
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 2026283$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, Q4 2025

Shares, value and share of portfolio for each institution holding Fastly, Inc.; share changes are against Q3 2025.

Institutions holding FSLY in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sumitomo Mitsui DS Asset Management Company, Ltd11,492$117.0K0.00%+11,492New
Quotient Wealth Partners, LLC11,576$117.8K0.00%+11,576New
Commonwealth Equity Services, LLC11,585$117.9K0.00%−488−4.0%Reduced
Byrne Asset Management LLC11,630$118.4K0.07%+6,590+130.8%Added
Kestra Advisory Services, LLC11,970$121.9K0.00%+930+8.4%Added
Magnetar Financial LLC12,039$122.6K0.00%+12,039New
Victory Financial Group, LLC12,113$123.3K0.02%+10.0%Added
Jupiter Asset Management Ltd12,570$128.0K0.00%+12,570New
Ensign Peak Advisors, Inc12,858$130.9K0.00%−31,950−71.3%Reduced
Ambassador Advisors, LLC15,000$152.7K0.02%00.0%Unchanged
SBI Securities Co., Ltd.15,099$153.7K0.00%−35,363−70.1%Reduced
Wealth Enhancement Advisory Services, LLC15,573$156.8K0.00%−243−1.5%Reduced
Skaana Management L.P.15,500$157.8K0.09%+15,500New
Oppenheimer & Co Inc15,550$158.3K0.00%−93,436−85.7%Reduced
CWM, LLC15,662$159.0K0.00%+164+1.1%Added
Victory Capital Management Inc15,751$160.3K0.00%+389+2.5%Added
Mirae Asset Global Investments Co., Ltd.16,668$169.7K0.00%−2,342−12.3%Reduced
Acadian Asset Management LLC17,209$173.0K0.00%−52,872−75.4%Reduced
Virtus ETF Advisers LLC17,200$175.1K0.08%+17,200New
Quest Partners LLC17,489$178.0K0.01%+12,788+272.0%Added
Cim Investment Mangement Inc18,436$187.7K0.05%00.0%Unchanged
Caxton Associates LLP18,479$188.1K0.00%−91,748−83.2%Reduced
Scotia Capital Inc.19,558$199.1K0.00%+19,558New
Wealth Effects LLC20,151$205.1K0.06%00.0%Unchanged
Quantinno Capital Management LP20,156$205.2K0.00%+5,103+33.9%Added
Vident Advisory, LLC20,939$213.2K0.00%−248−1.2%Reduced
Centiva Capital, LP21,969$223.6K0.01%+21,969New
Bank of Nova Scotia22,106$224.9K0.00%+363+1.7%Added
Franklin Resources Inc22,507$229.0K0.00%+22,507New
Quantbot Technologies LP23,160$235.8K0.01%+23,160New
Pictet Asset Management Holding SA23,214$236.3K0.00%+4,583+24.6%Added
Leonteq Securities AG23,661$240.9K0.01%−14,178−37.5%Reduced
Cambridge Investment Research Advisors, Inc.23,721$241.0K0.00%+1,648+7.5%Added
Commerce Bank23,984$244.2K0.00%00.0%Unchanged
STRS Ohio24,600$250.4K0.00%+24,600New
ProShare Advisors LLC26,553$270.3K0.00%+2,435+10.1%Added
EntryPoint Capital, LLC29,491$300.2K0.12%00.0%Unchanged
PharVision Advisers, LLC29,612$301.4K0.15%−4,156−12.3%Reduced
Winton Group Ltd29,700$302.3K0.01%+29,700New
KLP Kapitalforvaltning AS29,900$304.4K0.00%+1,400+4.9%Added
Mariner, LLC30,988$315.4K0.00%+3,606+13.2%Added
Los Angeles Capital Management LLC40,957$326.8K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System33,854$344.6K0.00%00.0%Unchanged
Ares Systematic Credit Ltd33,911$345.2K0.28%+33,911New
HSBC Holdings PLC35,464$361.9K0.00%+6,140+20.9%Added
New York State Common Retirement Fund36,132$367.8K0.00%00.0%Unchanged
Woodline Partners LP37,216$378.9K0.00%+37,216New
Police & Firemen's Retirement System of New Jersey37,993$386.8K0.00%00.0%Unchanged
Arizona State Retirement System38,918$396.2K0.00%−1,787−4.4%Reduced
Concurrent Investment Advisors, LLC38,993$396.9K0.00%−7,200−15.6%Reduced
Graham Capital Management, L.P.39,335$400.4K0.01%+39,335New
XTX Topco Ltd39,541$402.5K0.01%+39,541New
Royal Bank of Canada39,881$406.0K0.00%−2,500,858−98.4%Reduced
Brevan Howard Capital Management LP42,604$433.7K0.01%+42,604New
Fuller & Thaler Asset Management, Inc.43,142$439.2K0.00%+43,142New
Raymond James Financial Inc45,026$458.4K0.00%−6,652−12.9%Reduced
Amundi46,312$471.5K0.00%−5,270−10.2%Reduced
Gsa Capital Partners LLP50,391$513.0K0.04%+50,391New
Lazard Asset Management LLC52,082$530.2K0.00%+26,050+100.1%Added
Janus Henderson Group PLC53,150$540.8K0.00%00.0%Unchanged
State of Wyoming53,816$547.8K0.06%−5,075−8.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)54,354$553.3K0.00%+12,851+31.0%Added
Dynamic Technology Lab Private Ltd55,355$564.0K0.13%+55,355New
Advisor Group Holdings, Inc.58,425$594.8K0.00%−2,645−4.3%Reduced
LPL Financial LLC60,588$616.8K0.00%−4,383−6.7%Reduced
Jane Street Group, LLC61,363$624.7K0.00%−18,752−23.4%Reduced
Gotham Asset Management, LLC62,335$634.6K0.00%+46,572+295.5%Added
Massar Capital Management, LP63,090$642.3K0.13%+63,090New
Creative Planning63,282$644.2K0.00%+13,192+26.3%Added
Susquehanna Portfolio Strategies, LLC63,526$646.7K0.01%00.0%Unchanged
Manufacturers Life Insurance Company, The64,554$657.2K0.00%−2,122−3.2%Reduced
Susquehanna International Group, LLP67,139$683.5K0.00%−397,079−85.5%Reduced
SEI Investments Co67,627$688.4K0.00%+14,419+27.1%Added
Susquehanna Fundamental Investments, LLC68,480$697.1K0.02%+53,260+349.9%Added
Walleye Capital LLC69,408$706.6K0.00%+48,637+234.2%Added
Archon Capital Management LLC70,000$712.6K0.41%+70,000New
Bridgefront Capital, LLC70,822$721.0K0.18%+25,197+55.2%Added
Sunbelt Securities, Inc.70,868$721.4K0.05%+47,233+199.8%Added
Dark Forest Capital Management LP71,532$728.2K0.03%+71,532New
MetLife Investment Management76,725$781.1K0.00%−2,507−3.2%Reduced
Intech Investment Management LLC79,192$806.2K0.01%00.0%Unchanged
180 Wealth Advisors, LLC79,221$806.5K0.09%+2,860+3.7%Added
Boothbay Fund Management, LLC86,987$885.5K0.02%+86,987New
Canada Pension Plan Investment Board88,400$899.9K0.00%+69,900+377.8%Added
Y-Intercept (Hong Kong) Ltd90,729$923.6K0.02%−88,493−49.4%Reduced
PEAK6 LLC91,934$935.9K0.03%+91,934New
IMC-Chicago, LLC95,448$971.7K0.02%−125,773−56.9%Reduced
Engineers Gate Manager LP101,639$1.03M0.01%−13,567−11.8%Reduced
California State Teachers Retirement System132,452$1.35M0.00%+10,428+8.5%Added
Deutsche Bank AG135,628$1.38M0.00%−84,531−38.4%Reduced
Alliancebernstein L.P.138,010$1.40M0.00%−224−0.2%Reduced
Knights of Columbus Asset Advisors LLC141,320$1.44M0.08%+24,090+20.5%Added
Verition Fund Management LLC156,632$1.59M0.01%+16,547+11.8%Added
Edgestream Partners, L.P.158,479$1.61M0.05%+158,479New
Price T Rowe Associates Inc161,020$1.64M0.00%+4,918+3.2%Added
American Century Companies Inc165,452$1.68M0.00%+31,560+23.6%Added
Rhumbline Advisers182,691$1.86M0.00%−29,135−13.8%Reduced
Russell Investments Group, Ltd.183,569$1.87M0.00%+103,009+127.9%Added
Wells Fargo & Company201,139$2.05M0.00%+48,786+32.0%Added
Citigroup Inc205,414$2.09M0.00%−42,728−17.2%Reduced