FSLY
Fastly, Inc.Company with tickers: FSLY
CIK
1517413
CUSIP
31188V100
Shares Outstanding
156,500,000
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 336
Total Value: $3,819,503,347
Total Shares: 131,435,084
Showing 1–100
of 364 holdings by value
· page 1 of 4
Institutional Ownership Trend
Holder Concentration
Across 336 13F filers · Δ vs Dec 31, 2025Top Holder
9.5%
−2.8 pts
Top 5
31.8%
−5.6 pts
Top 10
47.1%
−6.6 pts
HHI
334
Broadly held
−94
Quarterly Activity
vs Dec 31, 2025
New
329
Increased
5
Decreased
1
Sold Out
250
Unchanged
1
Holder count:
+79
Institutional value:
+258.5%
Shares held:
+25.6%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds |
|---|---|---|
| Large PEAK6 LLC | +708,266 | 900,200 |
| Small Caitong International Asset Management Co., Ltd | +51,240 | 55,250 |
| Large Rockefeller Capital Management L.P. | +2,274 | 2,761 |
| Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. | +667 | 2,511 |
| Small Essential Partners LLC | +253 | 603 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds |
|---|---|---|
| Mega GOLDMAN SACHS GROUP INC | −435,839 | 1,217,040 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Mega BlackRock, Inc. | 12,438,640 | $361,466,870 |
| Mega FMR LLC | 8,636,789 | $250,985,086 |
| Mega Legal & General Group Plc | 8,059,757 | $234,216,537 |
| Mega FIRST TRUST ADVISORS LP | 7,031,952 | $204,348,525 |
| Mega TWO SIGMA INVESTMENTS, LP | 5,614,247 | $163,150,017 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Mega BlackRock, Inc. | 12,833,575 | $130,645,784 |
| Mega Legal & General Group Plc | 8,605,712 | $87,606,146 |
| Mega MORGAN STANLEY | 7,054,555 | $71,815,369 |
| Mid Penserra Capital Management LLC | 5,832,024 | $59,370,004 |
| Large Alyeska Investment Group, L.P. | 4,789,185 | $48,753,903 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |
|---|---|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. | $361,466,870 | 9.46% | 12,438,640 | Shares | Sole | 2026-05-13 | View | |
| Mega FMR LLC | $250,985,086 | 6.57% | 8,636,789 | Shares | Defined | 2026-05-15 | View | |
| Mega Legal & General Group Plc | $234,216,537 | 6.13% | 8,059,757 | Shares | Defined | 2026-05-08 | View | |
| Mega FIRST TRUST ADVISORS LP | $204,348,525 | 5.35% | 7,031,952 | Shares | Sole | 2026-05-13 | View | |
| Mega TWO SIGMA INVESTMENTS, LP | $163,150,017 | 4.27% | 5,614,247 | Shares | Sole | 2026-05-15 | View | |
| Large VOYA INVESTMENT MANAGEMENT LLC | $114,215,330 | 2.99% | 3,930,328 | Shares | Defined | 2026-05-12 | View | |
| Mega Capital World Investors | $109,106,845 | 2.86% | 3,754,537 | Shares | Defined | 2026-05-13 | View | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $103,974,063 | 2.72% | 3,577,910 | Shares | Defined | 2026-05-15 | View | |
| Mid Penserra Capital Management LLC | $102,813,408 | 2.69% | 3,537,970 | Shares | Defined | 2026-05-11 | View | |
| Mega STATE STREET CORP | $94,588,236 | 2.48% | 3,254,929 | Shares | Defined | 2026-05-15 | View | |
| Large Point72 Asset Management, L.P. | $91,548,328 | 2.40% | 3,150,321 | Shares | Defined | 2026-05-15 | View | |
| Mega DIMENSIONAL FUND ADVISORS LP | $79,669,412 | 2.09% | 2,741,549 | Shares | Sole | 2026-05-07 | View | |
| Mega D. E. Shaw & Co., Inc. | $76,255,096 | 2.00% | 2,624,057 | Shares | Defined | 2026-05-15 | View | |
| Mega JANE STREET GROUP, LLC | $73,831,579 | 1.93% | 2,540,660 | Shares | Defined | 2026-05-12 | View | |
| Mega CITADEL ADVISORS LLC | $72,074,612 | 1.89% | 2,480,200 | Put | Defined | 2026-05-15 | View | |
| Mega UBS Group AG | $69,045,978 | 1.81% | 2,375,980 | Call | Defined | 2026-05-05 | View | |
| Large FULLER & THALER ASSET MANAGEMENT, INC. | $62,785,495 | 1.64% | 2,160,547 | Shares | Sole | 2026-05-14 | View | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $61,281,030 | 1.60% | 2,108,776 | Shares | Defined | 2026-05-15 | View | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $61,011,470 | 1.60% | 2,099,500 | Call | Other | 2026-05-15 | View | |
| Mega T. Rowe Price Investment Management, Inc. | $59,917,680 | 1.57% | 2,061,861 | Shares | Sole | 2026-05-15 | View | |
| Mega NORDEA INVESTMENT MANAGEMENT AB | $59,822,333 | 1.57% | 2,058,580 | Shares | Defined | 2026-05-13 | View | |
| Mega Nuveen, LLC | $54,142,993 | 1.42% | 1,863,145 | Shares | Defined | 2026-04-30 | View | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $46,411,726 | 1.22% | 1,597,100 | Put | Other | 2026-05-15 | View | |
| Large HRT FINANCIAL LP | $44,911,735 | 1.18% | 1,545,483 | Shares | Defined | 2026-05-14 | View | |
| Mega JANE STREET GROUP, LLC | $44,066,584 | 1.15% | 1,516,400 | Put | Defined | 2026-05-12 | View | |
| Mega MILLENNIUM MANAGEMENT LLC | $41,108,799 | 1.08% | 1,414,618 | Shares | Sole | 2026-05-15 | View | |
| Large Connor, Clark & Lunn Investment Management Ltd. | $40,499,352 | 1.06% | 1,393,646 | Shares | Sole | 2026-05-11 | View | |
| Large LORD, ABBETT & CO. LLC | $40,257,253 | 1.05% | 1,385,315 | Shares | Sole | 2026-05-14 | View | |
| Mega UBS Group AG | $35,823,394 | 0.94% | 1,232,739 | Shares | Defined | 2026-05-05 | View | |
| Mega GOLDMAN SACHS GROUP INC | $34,204,781 | 0.90% | 1,177,040 | Shares | Defined | 2026-05-15 | View | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $33,616,578 | 0.88% | 1,156,799 | Shares | Sole | 2026-05-15 | View | |
| Mid OBERWEIS ASSET MANAGEMENT INC/ | $31,123,899 | 0.81% | 1,071,022 | Shares | Sole | 2026-05-15 | View | |
| Large TUDOR INVESTMENT CORP ET AL | $30,120,079 | 0.79% | 1,036,479 | Shares | Defined | 2026-05-15 | View | |
| Mid ALGERT GLOBAL LLC | $26,847,662 | 0.70% | 923,870 | Shares | Sole | 2026-05-14 | View | |
| Large PEAK6 LLC | $26,159,812 | 0.68% | 900,200 | Call | Defined | 2026-05-14 | View | |
| Mega Invesco Ltd. | $25,900,071 | 0.68% | 891,262 | Shares | Defined | 2026-05-12 | View | |
| Mega CITADEL ADVISORS LLC | $24,680,658 | 0.65% | 849,300 | Call | Defined | 2026-05-15 | View | |
| Mid WOLVERINE ASSET MANAGEMENT LLC | $24,663,222 | 0.65% | 848,700 | Put | Defined | 2026-05-04 | View | |
| Large Driehaus Capital Management LLC | $24,361,811 | 0.64% | 838,328 | Shares | Sole | 2026-05-15 | View | |
| Mega JANE STREET GROUP, LLC | $24,082,022 | 0.63% | 828,700 | Call | Defined | 2026-05-12 | View | |
| Large Squarepoint Ops LLC | $23,993,679 | 0.63% | 825,660 | Shares | Defined | 2026-05-15 | View | |
| Large CANADA LIFE ASSURANCE Co | $21,305,716 | 0.56% | 733,163 | Shares | Sole | 2026-05-14 | View | |
| Mega Bank of New York Mellon Corp | $20,451,059 | 0.54% | 703,753 | Shares | Defined | 2026-05-05 | View | |
| Large SG Americas Securities, LLC | $19,918,159 | 0.52% | 685,415 | Shares | Sole | 2026-04-16 | View | |
| Mid GMT Capital Corp | $17,401,128 | 0.46% | 598,800 | Shares | Sole | 2026-05-15 | View | |
| Large RENAISSANCE TECHNOLOGIES LLC | $15,063,367 | 0.39% | 518,354 | Shares | Sole | 2026-05-14 | View | |
| Mega DEUTSCHE BANK AG\ | $14,959,680 | 0.39% | 514,786 | Shares | Sole | 2026-05-06 | View | |
| Mid MASTERS CAPITAL MANAGEMENT LLC | $14,530,000 | 0.38% | 500,000 | Call | Sole | 2026-05-15 | View | |
| Mega CITADEL ADVISORS LLC | $13,376,724 | 0.35% | 460,314 | Shares | Defined | 2026-05-15 | View | |
| Mega RAYMOND JAMES FINANCIAL INC | $13,043,259 | 0.34% | 448,839 | Shares | Defined | 2026-05-14 | View | |
| Mid Jump Financial, LLC | $12,135,456 | 0.32% | 417,600 | Shares | Defined | 2026-05-14 | View | |
| Mega JPMORGAN CHASE & CO | $12,005,641 | 0.31% | 413,133 | Shares | Defined | 2026-05-13 | View | |
| Small BERKSHIRE CAPITAL HOLDINGS INC | $11,735,299 | 0.31% | 403,830 | Shares | Sole | 2026-05-12 | View | |
| Mid SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | $11,376,437 | 0.30% | 391,481 | Shares | Sole | 2026-05-15 | View | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $11,321,572 | 0.30% | 389,593 | Shares | Defined | 2026-05-15 | View | |
| Mega MORGAN STANLEY | $10,354,890 | 0.27% | 356,328 | Shares | Defined | 2026-05-15 | View | |
| Mega NEUBERGER BERMAN GROUP LLC | $9,495,209 | 0.25% | 326,745 | Shares | Defined | 2026-05-14 | View | |
| Mega AQR CAPITAL MANAGEMENT LLC | $9,158,168 | 0.24% | 315,147 | Shares | Other | 2026-05-15 | View | |
| Mid IMC-Chicago, LLC | $9,157,096 | 0.24% | 315,110 | Shares | Sole | 2026-05-05 | View | |
| Mid MASTERS CAPITAL MANAGEMENT LLC | $8,718,000 | 0.23% | 300,000 | Shares | Sole | 2026-05-15 | View | |
| Large JUPITER ASSET MANAGEMENT LTD | $8,510,540 | 0.22% | 292,861 | Shares | Defined | 2026-05-12 | View | |
| Mid PDT Partners, LLC | $8,429,492 | 0.22% | 290,072 | Shares | Sole | 2026-05-15 | View | |
| Small G2 Investment Partners Management LLC | $8,414,846 | 0.22% | 289,568 | Shares | Sole | 2026-05-15 | View | |
| Mega Swiss National Bank | $8,162,954 | 0.21% | 280,900 | Shares | Sole | 2026-05-07 | View | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $8,100,529 | 0.21% | 278,752 | Shares | Defined | 2026-05-13 | View | |
| Large PRUDENTIAL FINANCIAL INC | $7,955,756 | 0.21% | 273,770 | Shares | Defined | 2026-05-13 | View | |
| Mega BARCLAYS PLC | $7,708,251 | 0.20% | 265,253 | Shares | Defined | 2026-05-15 | View | |
| Small Relyea Zuckerberg Hanson LLC | $7,550,892 | 0.20% | 259,838 | Shares | Sole | 2026-04-30 | View | |
| Mid Proem Advisors LLC | $7,536,507 | 0.20% | 259,343 | Shares | Sole | 2026-05-13 | View | |
| Large NOMURA HOLDINGS INC | $7,265,000 | 0.19% | 250,000 | Put | Defined | 2026-05-15 | View | |
| Small Tenzing Global Management, LLC | $7,265,000 | 0.19% | 250,000 | Shares | Sole | 2026-05-15 | View | |
| Large Walleye Trading LLC | $6,959,870 | 0.18% | 239,500 | Put | Sole | 2026-05-11 | View | |
| Large POLEN CAPITAL MANAGEMENT LLC | $6,931,333 | 0.18% | 238,518 | Shares | Sole | 2026-05-14 | View | |
| Mid Divisadero Street Capital Management, LP | $6,538,500 | 0.17% | 225,000 | Shares | Sole | 2026-05-15 | View | |
| Large Trexquant Investment LP | $6,358,560 | 0.17% | 218,808 | Shares | Sole | 2026-05-15 | View | |
| Small D L CARLSON INVESTMENT GROUP INC | $6,190,506 | 0.16% | 213,025 | Shares | Sole | 2026-05-13 | View | |
| Large Walleye Trading LLC | $6,172,344 | 0.16% | 212,400 | Call | Sole | 2026-05-11 | View | |
| Small Informed Momentum Co LLC | $5,972,062 | 0.16% | 205,508 | Shares | Sole | 2026-05-13 | View | |
| Mega RHUMBLINE ADVISERS | $5,297,173 | 0.14% | 182,284 | Shares | Sole | 2026-05-12 | View | |
| Mid CASTLEARK MANAGEMENT LLC | $5,163,613 | 0.14% | 177,688 | Shares | Sole | 2026-05-15 | View | |
| Mega BNP PARIBAS ARBITRAGE, SA | $5,139,057 | 0.13% | 176,843 | Shares | Defined | 2026-05-12 | View | |
| Large Gotham Asset Management, LLC | $5,105,231 | 0.13% | 175,679 | Shares | Sole | 2026-05-15 | View | |
| Large TUDOR INVESTMENT CORP ET AL | $4,943,106 | 0.13% | 170,100 | Call | Defined | 2026-05-15 | View | |
| Mega ALLIANCEBERNSTEIN L.P. | $4,502,440 | 0.12% | 154,936 | Shares | Defined | 2026-05-15 | View | |
| Small SELDON CAPITAL LP | $4,395,760 | 0.12% | 151,265 | Shares | Sole | 2026-05-15 | View | |
| Large Creative Planning | $4,388,670 | 0.11% | 151,021 | Shares | Sole | 2026-05-12 | View | |
| Small Science & Technology Partners, L.P. | $4,388,060 | 0.11% | 151,000 | Shares | Sole | 2026-05-15 | View | |
| Large Verition Fund Management LLC | $4,365,160 | 0.11% | 150,212 | Shares | Sole | 2026-05-15 | View | |
| Mega BARCLAYS PLC | $4,359,000 | 0.11% | 150,000 | Put | Defined | 2026-05-15 | View | |
| Mega MILLENNIUM MANAGEMENT LLC | $4,359,000 | 0.11% | 150,000 | Put | Sole | 2026-05-15 | View | |
| Mid OSAIC HOLDINGS, INC. | $4,018,068 | 0.11% | 138,268 | Shares | Defined | 2026-05-15 | View | |
| Mid Engineers Gate Manager LP | $3,898,573 | 0.10% | 134,156 | Shares | Sole | 2026-05-15 | View | |
| Mega WELLS FARGO & COMPANY/MN | $3,726,043 | 0.10% | 128,219 | Shares | Defined | 2026-05-11 | View | |
| Mega AMERICAN CENTURY COMPANIES INC | $3,673,445 | 0.10% | 126,409 | Shares | Defined | 2026-05-15 | View | |
| Mid OSTERWEIS CAPITAL MANAGEMENT INC | $3,646,884 | 0.10% | 125,495 | Shares | Sole | 2026-05-15 | View | |
| Mid XTX Topco Ltd | $3,349,019 | 0.09% | 115,245 | Shares | Defined | 2026-05-15 | View | |
| Small Neo Ivy Capital Management | $3,293,631 | 0.09% | 113,339 | Shares | Sole | 2026-05-15 | View | |
| Large Walleye Capital LLC | $3,268,407 | 0.09% | 112,471 | Shares | Sole | 2026-05-13 | View | |
| Large Mirae Asset Global Investments Co., Ltd. | $3,211,362 | 0.08% | 110,508 | Shares | Sole | 2026-05-04 | View | |
| Large SEI INVESTMENTS CO | $3,176,577 | 0.08% | 109,311 | Shares | Sole | 2026-05-13 | View | |
| No holders match your search. | ||||||||