Fastly, Inc.
US ˙ NasdaqGS ˙ US31188V1008

SecurityFSLY / Fastly, Inc.
InstitutionWolverine Trading, Llc
Latest Disclosed Ownership34,515 shares
Latest Disclosed Value $ 299,245
Wolverine Trading, Llc ownership in FSLY / Fastly, Inc.

On November 14, 2025 - Wolverine Trading, Llc filed a 13F-HR form disclosing ownership of 34,515 shares of Fastly, Inc. (US:FSLY) valued at $295,103 USD as of September 30, 2025. The entity filed a previous 13F-HR on August 18, 2025 disclosing 11,172 shares of Fastly, Inc.. This represents a change in shares of 208.94% during the quarter. The current value of the position is $718,947 USD.

Wolverine Trading, Llc has a history of taking positions in derivatives of the underlying security (FSLY) in the form of stock options. The firm currently holds call options representing 126,000 of underlying shares valued at $1,092,420 USD and put options representing 59,900 of underlying shares valued at $519,333 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

FSLY / Fastly, Inc. Historical Put/Call Ratio
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)
2025-11-14 2025-09-30 13F FASTLY CL A 31188V100 34,515 23,343 208.94 299 288.31 0.0002
2025-08-18 2025-06-30 13F FASTLY CL A 31188V100 11,172 -10,274 -47.91 77 -44.60 0.0001
2025-05-15 2025-03-31 13F FASTLY CL A 31188V100 21,446 -45,173 -67.81 140 -77.87 0.0002
2025-02-14 2024-12-31 13F FASTLY CL A 31188V100 66,619 66,619 629 0.0006
2024-02-14 2023-12-31 13F FASTLY CL A 31188V100 0 -27,083 -100.00 0 -100.00
2023-11-15 2023-09-30 13F FASTLY CL A 31188V100 27,083 27,083 519 0.0005
2022-05-16 2022-03-31 13F FASTLY CL A 31188V100 0 -20,934 -100.00 0 -100.00
2022-02-14 2021-12-31 13F FASTLY CL A 31188V100 20,934 -14,799 -41.42 779 -44.71 0.0009
2021-11-12 2021-09-30 13F FASTLY CL A 31188V100 35,733 -79,556 -69.01 1,409 -79.77 0.0016
2021-08-06 2021-06-30 13F FASTLY CL A 31188V100 115,289 38,344 49.83 6,966 38.74 0.0108
2021-05-14 2021-03-31 13F FASTLY CL A 31188V100 76,945 -46,569 -37.70 5,021 -55.05 0.0076
2021-02-12 2020-12-31 13F FASTLY CL A 31188V100 123,514 77,277 167.13 11,169 158.66 0.0174
2020-11-13 2020-09-30 13F FASTLY CL A 31188V100 46,237 -14,483 -23.85 4,318 -9.00 0.0105
2020-08-13 2020-06-30 13F FASTLY CL A 31188V100 60,720 47,834 371.21 4,745 1,852.67 0.0129
2020-05-11 2020-03-31 13F FASTLY CL A 31188V100 12,886 -5,599 -30.29 243 -32.69 0.0007
2020-02-12 2019-12-31 13F FASTLY CL A 31188V100 18,485 7,322 65.59 361 49.79 0.0009
2019-11-14 2019-09-30 13F FASTLY CL A 31188V100 11,163 -2,832 -20.24 241 -15.14 0.0007
2019-08-20 2019-06-30 13F FASTLY CL A 31188V100 13,995 13,995 284 0.0008
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-11-14 2025-09-30 13F FASTLY CL A Call 126,000 56.33 1,092 96.05 n/a n/a n/a
2025-08-18 2025-06-30 13F FASTLY CL A Call 80,600 -19.48 558 -14.44 n/a n/a n/a
2025-05-15 2025-03-31 13F FASTLY CL A Call 100,100 -19.66 652 -44.64 n/a n/a n/a
2025-02-14 2024-12-31 13F FASTLY CL A Call 124,600 53.45 1,176 91.84 n/a n/a n/a
2024-11-14 2024-09-30 13F FASTLY CL A Call 81,200 -42.08 614 -40.66 n/a n/a n/a
2024-08-14 2024-06-30 13F FASTLY CL A Call 140,200 11.01 1,033 -36.94 n/a n/a n/a
2024-05-15 2024-03-31 13F FASTLY CL A Call 126,300 1,638 n/a n/a n/a
2024-02-14 2023-12-31 13F FASTLY CL A Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-11-15 2023-09-30 13F FASTLY CL A Call 122,900 -27.58 2,356 -12.32 n/a n/a n/a
2023-08-23 2023-06-30 13F FASTLY CL A Call 169,700 17.20 2,686 134,200.00 n/a n/a n/a
2023-05-15 2023-03-31 13F FASTLY CL A Call 144,800 -26.24 2 -99.88 n/a n/a n/a
2023-02-14 2022-12-31 13F FASTLY CL A Call 196,300 -2.97 1,608 -11.50 n/a n/a n/a
2022-11-14 2022-09-30 13F FASTLY CL A Call 202,300 1,817 n/a n/a n/a
2022-08-15 2022-06-30 13F FASTLY CL A Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-16 2022-03-31 13F FASTLY CL A Call 243,500 -31.83 4,349 -67.30 n/a n/a n/a
2022-02-14 2021-12-31 13F FASTLY CL A Call 357,200 -3.56 13,299 -8.97 n/a n/a n/a
2021-11-12 2021-09-30 13F FASTLY CL A Call 370,400 -17.40 14,609 -46.08 n/a n/a n/a
2021-08-06 2021-06-30 13F FASTLY CL A Call 448,400 54.30 27,092 42.85 n/a n/a n/a
2021-05-14 2021-03-31 13F FASTLY CL A Call 290,600 -14.20 18,965 -38.08 n/a n/a n/a
2021-02-12 2020-12-31 13F FASTLY CL A Call 338,700 150.33 30,629 142.43 n/a n/a n/a
2020-11-13 2020-09-30 13F FASTLY CL A Call 135,300 -8.70 12,634 9.08 n/a n/a n/a
2020-08-13 2020-06-30 13F FASTLY CL A Call 148,200 176.49 11,582 1,045.60 n/a n/a n/a
2020-05-11 2020-03-31 13F FASTLY CL A Call 53,600 1.13 1,011 -2.32 n/a n/a n/a
2020-02-12 2019-12-31 13F FASTLY CL A Call 53,000 17.26 1,035 5.83 n/a n/a n/a
2019-11-14 2019-09-30 13F FASTLY CL A Call 45,200 245.04 978 267.67 n/a n/a n/a
2019-08-20 2019-06-30 13F FASTLY CL A Call 13,100 266 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2025-11-14 2025-09-30 13F FASTLY CL A Put 59,900 11.13 519 39.52 n/a n/a n/a
2025-08-18 2025-06-30 13F FASTLY CL A Put 53,900 -25.14 373 -20.51 n/a n/a n/a
2025-05-15 2025-03-31 13F FASTLY CL A Put 72,000 58.24 469 9.09 n/a n/a n/a
2025-02-14 2024-12-31 13F FASTLY CL A Put 45,500 -1.52 430 22.92 n/a n/a n/a
2024-11-14 2024-09-30 13F FASTLY CL A Put 46,200 9.48 349 12.22 n/a n/a n/a
2024-08-14 2024-06-30 13F FASTLY CL A Put 42,200 -41.55 311 -66.77 n/a n/a n/a
2024-05-15 2024-03-31 13F FASTLY CL A Put 72,200 936 n/a n/a n/a
2024-02-14 2023-12-31 13F FASTLY CL A Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-11-15 2023-09-30 13F FASTLY CL A Put 53,200 -3.27 1,020 17.13 n/a n/a n/a
2023-08-23 2023-06-30 13F FASTLY CL A Put 55,000 -12.70 871 86,900.00 n/a n/a n/a
2023-05-15 2023-03-31 13F FASTLY CL A Put 63,000 63.64 1 -99.68 n/a n/a n/a
2023-02-14 2022-12-31 13F FASTLY CL A Put 38,500 -39.75 315 -45.12 n/a n/a n/a
2022-11-14 2022-09-30 13F FASTLY CL A Put 63,900 574 n/a n/a n/a
2022-08-15 2022-06-30 13F FASTLY CL A Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-16 2022-03-31 13F FASTLY CL A Put 126,600 -24.15 2,261 -63.61 n/a n/a n/a
2022-02-14 2021-12-31 13F FASTLY CL A Put 166,900 -40.71 6,214 -44.03 n/a n/a n/a
2021-11-12 2021-09-30 13F FASTLY CL A Put 281,500 -16.72 11,102 -45.64 n/a n/a n/a
2021-08-06 2021-06-30 13F FASTLY CL A Put 338,000 15.28 20,422 6.73 n/a n/a n/a
2021-05-14 2021-03-31 13F FASTLY CL A Put 293,200 -34.38 19,134 -52.64 n/a n/a n/a
2021-02-12 2020-12-31 13F FASTLY CL A Put 446,800 147.26 40,404 139.45 n/a n/a n/a
2020-11-13 2020-09-30 13F FASTLY CL A Put 180,700 20.95 16,874 44.52 n/a n/a n/a
2020-08-13 2020-06-30 13F FASTLY CL A Put 149,400 219.91 11,676 1,225.31 n/a n/a n/a
2020-05-11 2020-03-31 13F FASTLY CL A Put 46,700 -32.81 881 -35.08 n/a n/a n/a
2020-02-12 2019-12-31 13F FASTLY CL A Put 69,500 8.93 1,357 -1.67 n/a n/a n/a
2019-11-14 2019-09-30 13F FASTLY CL A Put 63,800 544.44 1,380 586.57 n/a n/a n/a
2019-08-20 2019-06-30 13F FASTLY CL A Put 9,900 201 n/a n/a n/a
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.