패스트리(주)
US ˙ NasdaqGS ˙ US31188V1008

SecurityFSLY / Fastly, Inc.
InstitutionJanus Henderson Group Plc
Latest Disclosed Ownership67,050 shares
Latest Disclosed Value $ 1,948,138
Janus Henderson Group Plc reports 26.15% increase in ownership of FSLY / Fastly, Inc.

On May 18, 2026 - Janus Henderson Group Plc filed a 13F-HR/A form disclosing ownership of 67,050 shares of Fastly, Inc. (US:FSLY) valued at $1,948,473 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 53,150 shares of Fastly, Inc.. This represents a change in shares of 26.15% during the quarter. The current value of the position is $1,334,966 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-18 2026-03-31 13F/A-1 FASTLY CL A 31188V100 67,050 13,900 26.15 1,948 260.74 0.0003
2026-05-15 2026-03-31 13F FASTLY CL A 31188V100 67,050 13,900 26.15 1,948 260.74 0.0004
2026-02-17 2025-12-31 13F FASTLY CL A 31188V100 53,150 0 0.00 541 18.94 0.0002
2025-11-14 2025-09-30 13F FASTLY CL A 31188V100 53,150 0 0.00 454 21.07 0.0002
2025-08-14 2025-06-30 13F FASTLY CL A 31188V100 53,150 0 0.00 376 8.70 0.0002
2025-05-15 2025-03-31 13F FASTLY CL A 31188V100 53,150 0 0.00 346 -31.27 0.0002
2025-02-14 2024-12-31 13F FASTLY CL A 31188V100 53,150 0 0.00 502 24.88 0.0003
2024-11-14 2024-09-30 13F FASTLY CL A 31188V100 53,150 0 0.00 402 3.08 0.0002
2024-08-14 2024-06-30 13F FASTLY CL A 31188V100 53,150 -630 -1.17 391 -44.05 0.0002
2024-05-15 2024-03-31 13F FASTLY CL A 31188V100 53,780 12 0.02 697 -27.17 0.0004
2024-02-14 2023-12-31 13F FASTLY CL A 31188V100 53,768 -78 -0.14 957 -7.27 0.0006
2023-11-14 2023-09-30 13F FASTLY CL A 31188V100 53,846 21 0.04 1,032 21.70 0.0007
2023-08-14 2023-06-30 13F FASTLY CL A 31188V100 53,825 7,263 15.60 848 2.66 0.0005
2023-05-15 2023-03-31 13F FASTLY CL A 31188V100 46,562 26,727 134.75 827 409.88 0.0005
2023-02-14 2022-12-31 13F FASTLY CL A 31188V100 19,835 -1 -0.01 163 -10.99 0.0001
2023-01-13 2022-09-30 13F/A-1 FASTLY CL A 31188V100 19,836 -20 -0.10 182 -21.21 0.0001
2022-11-14 2022-09-30 13F FASTLY CL A 31188V100 19,836 -20 182 0.0000
2022-08-15 2022-06-30 13F FASTLY CL A 31188V100 19,856 80 0.40 231 -32.85 0.0002
2022-05-16 2022-03-31 13F FASTLY CL A 31188V100 19,776 -751 -3.66 344 -52.75 0.0002
2022-02-14 2021-12-31 13F FASTLY CL A 31188V100 20,527 -22,251 -52.02 728 -57.92 0.0003
2021-11-16 2021-09-30 13F FASTLY CL A 31188V100 42,778 42,778 1,730 0.0008
2021-05-17 2021-03-31 13F FASTLY CL A 31188V100 0 -4,960 -100.00 0 -100.00
2021-02-16 2020-12-31 13F FASTLY CL A 31188V100 4,960 4,960 433 0.0002
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.