FSLY · Fastly, Inc. · Shareholders & Ownership
10 customers — 32% of revenue (trailing 12 month periods ended March 31, 2026)
“Our 10 largest customers generated an aggregate of 32% of our revenue for each of the trailing 12 month periods ended March 31, 2026 and 2025.”
Key customers — 10% of revenue (trailing 12 month period ended March 31, 2026)
“Affiliated customers that are business units of a single company generated an aggregate of 10% and 9% of our revenue for the trailing 12 month periods ended March 31, 2026 and 2025, respectively.”
Every disclosed holder of FSLY in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns FSLY
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 147,841,290 | 92.81% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 7,179,348 | 4.51% |
| Remaining | 4,279,362 | 2.69% |
| Registered funds (N-PORT, not summed) | 70,029,631 | 43.96% |
Shares outstanding: 159,300,000, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of FSLY
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
15,222,887 | ||
| 1.1 |
BlackRock, Inc.
13G
CIK 2012383 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
13,852,509 | ||
| 1.2 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
3,933,193 | ||
| 1.3 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,414,432 | ||
| 1.4 |
iShares U.S. Digital Infrastructure and Real Estate ETF
Fund
S000004353 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,228,958 | ||
| 1.5 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
279,541 | ||
| 2 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
11,892,230 | ||
| 2.1 |
FMR LLC
13G
CIK 315066 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
12,085,495 | ||
| 2.2 |
Fidelity Growth Company Fund
Fund
S000007119 · Registered fund · May 31, 2026
Fidelity Mt. Vernon Street Trust, not summed
|
1,802,200 | ||
| 2.3 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
1,675,366 | ||
| 2.4 |
Fidelity Small Cap Growth Fund
Fund
S000007193 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
1,106,320 | ||
| 2.5 |
Fidelity Enhanced Small Cap Core ETF
Fund
S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
|
928,972 | ||
| 3 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
9,814,704 | ||
| 4 |
Capital World Investors
13F
CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
8,228,136 | ||
| 4.1 |
Capital World Investors
13G
CIK 1422849 · Investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
8,228,136 | ||
| 5 |
SMALLCAP World Fund Inc
Fund
S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
|
8,006,949 | ||
| 6 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
7,681,005 | ||
| 6.1 |
First Trust Small Cap Growth AlphaDEX Fund
Fund
S000031806 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
281,372 | ||
| 6.2 |
First Trust Small Cap Core AlphaDEX Fund
Fund
S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
95,025 | ||
| 6.3 |
First Trust Nasdaq BuyWrite Income ETF
Fund
S000040305 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
|
30,357 | ||
| 6.4 |
First Trust Multi Cap Growth AlphaDEX Fund
Fund
S000017343 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
25,491 | ||
| 6.5 |
First Trust Multi-Manager Small Cap Opportunities ETF
Fund
S000073489 · Registered fund · Aug 31, 2026
First Trust Exchange-Traded Fund VIII, not summed
|
12,169 | ||
| 7 |
D. E. Shaw & Co., Inc.
13F
CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,616,726 | ||
| 8 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,314,616 | ||
| 9 |
TWO SIGMA INVESTMENTS, LP
13F
CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,062,511 | ||
| 10 |
Bergman Artur
Insider
CIK 1769490 · Oct 12, 2026
Director, Chief Technology Officer, issuer-wide, not summed
|
4,907,218 | ||
| 10.1 |
|
7,111,164 | ||
| 11 |
Amplify Cybersecurity ETF
Fund
S000082278 · Registered fund · Jun 30, 2026
Amplify ETF Trust, not summed
|
4,621,879 | ||
| 12 |
Penserra Capital Management LLC
13F
CIK 1593324 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,621,879 | ||
| 13 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
4,484,277 | ||
| 14 |
Legal & General Group Plc
13F
CIK 764068 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,366,475 | ||
| 14.1 |
Legal & General Group Plc
13G
CIK 764068 · Unknown · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
4,366,475 | ||
| 15 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,910,461 | ||
| 16 |
First Trust Nasdaq Cybersecurity ETF
Fund
S000050385 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund II, not summed
|
3,664,031 | ||
| 17 |
|
3,537,037 | ||
| 17.1 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
50,043 | ||
| 17.2 |
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund
S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
|
4,352 | ||
| 17.3 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
3,868 | ||
| 17.4 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
801 | ||
| 18 |
VANGUARD INFORMATION TECHNOLOGY INDEX FUND
Fund
S000004452 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
|
3,459,137 | ||
| 19 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
3,227,842 | ||
| 20 |
Alyeska Investment Group, L.P.
13F
CIK 1453072 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,165,326 | ||
| 21 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,064,798 | ||
| 21.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
657,173 | ||
| 21.2 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
516,482 | ||
| 21.3 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
425,362 | ||
| 21.4 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
374,833 | ||
| 21.5 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
217,011 | ||
| 22 |
First Trust Cloud Computing ETF
Fund
S000033237 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund II, not summed
|
2,758,848 | ||
| 23 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,599,187 | ||
| 24 |
Driehaus Capital Management LLC
13F
CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,544,406 | ||
| 24.1 |
Driehaus Small Cap Growth Fund
Fund
S000058261 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
263,491 | ||
| 24.2 |
Driehaus Micro Cap Growth Fund
Fund
S000042829 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
204,733 | ||
| 25 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,483,043 | ||
| 25.1 |
Goldman Sachs Small Cap Equity Insights Fund
Fund
S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
169,281 | ||
| 25.2 |
Goldman Sachs Small Cap Value Insights Fund
Fund
S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
108,336 | ||
| 25.3 |
Goldman Sachs Small Cap Growth Insights Fund
Fund
S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
|
88,425 | ||
| 25.4 |
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund
S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
|
41,604 | ||
| 25.5 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
9,882 | ||
| 26 |
VOYA INVESTMENT MANAGEMENT LLC
13F
CIK 1068837 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,437,955 | ||
| 27 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,289,082 | ||
| 27.1 |
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund
S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
|
1,313,600 | ||
| 27.2 |
T. Rowe Price Total Equity Market Index Fund
Fund
S000002091 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
23,497 | ||
| 27.3 |
T. Rowe Price Small-Cap Index Fund
Fund
S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
23,107 | ||
| 27.4 |
T. Rowe Price Extended Equity Market Index Fund
Fund
S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
21,500 | ||
| 28 |
FULLER & THALER ASSET MANAGEMENT, INC.
13F
CIK 1082327 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,190,081 | ||
| 29 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,086,595 | ||
| 29.1 |
Global Strategist Portfolio
Fund
S000004124 · Registered fund · Jun 30, 2026
MORGAN STANLEY INSTITUTIONAL FUND TRUST, not summed
|
7,260 | ||
| 29.2 |
Global Strategist Portfolio
Fund
S000004181 · Registered fund · Jun 30, 2026
MORGAN STANLEY VARIABLE INSURANCE FUND INC., not summed
|
977 | ||
| 29.3 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
251 | ||
| 30 |
Connor, Clark & Lunn Investment Management Ltd.
13F
CIK 1596800 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,934,718 | ||
| 31 |
|
1,901,200 | ||
| 32 |
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund
S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,866,335 | ||
| 33 |
|
1,818,532 | ||
| 33.1 |
College Retirement Equities Fund - Total Global Stock Account
Fund
S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
|
541,915 | ||
| 33.2 |
Nuveen Quant Small/Mid Cap Equity Fund
Fund
S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
296,330 | ||
| 33.3 |
Nuveen Quant Small Cap Equity Fund
Fund
S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
288,510 | ||
| 33.4 |
Nuveen Small Cap Blend Index Fund
Fund
S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
195,170 | ||
| 33.5 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
138,879 | ||
| 34 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,754,987 | ||
| 34.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
77,481 | ||
| 34.2 |
FlexShares STOXX Global Broad Infrastructure Index Fund
Fund
S000042071 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
62,628 | ||
| 34.3 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
22,745 | ||
| 34.4 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
9,480 | ||
| 35 |
Divisadero Street Capital Management, LP
13F
CIK 1901865 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,694,262 | ||
| 36 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,687,540 | ||
| 37 |
MILLENNIUM MANAGEMENT LLC
13F
CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,515,181 | ||
| 38 |
JUPITER ASSET MANAGEMENT LTD
13F
CIK 1215838 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,439,479 | ||
| 39 |
LORD, ABBETT & CO. LLC
13F
CIK 728100 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,373,417 | ||
| 39.1 |
LORD ABBETT DEVELOPING GROWTH FUND INC
Fund
S000006834 · Registered fund · Jul 31, 2026
LORD ABBETT DEVELOPING GROWTH FUND, INC., not summed
|
771,289 | ||
| 39.2 |
Lord Abbett Micro-Cap Growth Fund
Fund
S000007142 · Registered fund · Jul 31, 2026
LORD ABBETT SECURITIES TRUST, not summed
|
99,749 | ||
| 39.3 |
Developing Growth Portfolio
Fund
S000028719 · Registered fund · Jun 30, 2026
LORD ABBETT SERIES FUND INC, not summed
|
22,420 | ||
| 40 |
FULLERTHALER BEHAVIORAL SMALL-CAP GROWTH
Fund
S000060086 · Registered fund · Jun 30, 2026
Capitol Series Trust, not summed
|
1,373,100 | ||
| 41 |
|
1,281,583 | ||
| 42 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,250,580 | ||
| 42.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
671,697 | ||
| 42.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
372,088 | ||
| 42.3 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
95,695 | ||
| 42.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
82,390 | ||
| 43 |
|
1,074,879 | ||
| 44 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,060,876 | ||
| 45 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,051,020 | ||
| 46 |
|
1,043,610 | ||
| 47 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
901,620 | ||
| 48 |
Trexquant Investment LP
13F
CIK 1633445 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
896,132 | ||
| 49 |
OBERWEIS ASSET MANAGEMENT INC/
13F
CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
852,322 | ||
| 49.1 |
Oberweis Micro-Cap Fund
Fund
S000010231 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
|
823,000 | ||
| 50 |
|
851,949 |
53 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 417 holders
Create a free account to page through every holder, filter by source and group by ultimate parent.