Marathon Trading Investment Management LLC

All 13F Filings

Location
Radnor, PA
Most recent 13F
Q4 2025
Holdings value ($000)
4,411,255
Description
Radnor Pennsylvania based market microstructure specialist with a manager led operating structure and a pragmatic and allocation disciplined investment mandate. The approach emphasizes model based security selection, derivatives risk framing and exposure limits, and multi sleeve portfolio balancing for risk constrained trading portfolios. Portfolio governance emphasizes clear accountability, measured exposure, and resilient implementation through allocation committee oversight and mandate continuity.
Website
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Founded
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Chairman
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CEO
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All SEC filings
View on sec.gov

Sector allocation over time (stocks only)

Stacked by quarter. Hover to see detailed sector breakdown for any quarter.

Quarter Date Filed Holdings Value ($000) Form Type Name
Q4 2025 2/13/2026 352 4,411,255 13F-HR Marathon Trading Investment Management LLC
Q3 2025 11/13/2025 307 1,452,691 13F-HR Marathon Trading Investment Management LLC
Q2 2025 8/7/2025 271 836,519 13F-HR Marathon Trading Investment Management LLC
Q1 2025 5/13/2025 352 744,743 13F-HR Marathon Trading Investment Management LLC
Q4 2024 2/7/2025 321 1,823,971 13F-HR Marathon Trading Investment Management LLC
Q3 2024 11/7/2024 278 1,107,257 13F-HR Marathon Trading Investment Management LLC
Q2 2024 8/12/2024 297 1,320,533 13F-HR Marathon Trading Investment Management LLC
Q1 2024 5/10/2024 355 1,309,197 13F-HR Marathon Trading Investment Management LLC
Q4 2023 2/13/2024 374 2,003,416 13F-HR Marathon Trading Investment Management LLC
Q3 2023 11/13/2023 336 1,200,939 13F-HR Marathon Trading Investment Management LLC
Q2 2023 8/14/2023 269 1,190,704 13F-HR Marathon Trading Investment Management LLC
Q1 2023 5/12/2023 273 1,367,232 13F-HR Marathon Trading Investment Management LLC
Q4 2022 5/24/2023 285 812,557 13F-HR/A - RESTATEMENT Marathon Trading Investment Management LLC
Q4 2022 2/14/2023 178 774,291 13F-HR Marathon Trading Investment Management LLC
Q3 2022 11/14/2022 285 1,024,266 13F-HR Marathon Trading Investment Management LLC
Q2 2022 8/12/2022 297 892,853 13F-HR Marathon Trading Investment Management LLC
Q1 2022 5/16/2022 318 1,157,747 13F-HR Marathon Trading Investment Management LLC
Q4 2021 2/11/2022 302 1,196,790 13F-HR Marathon Trading Investment Management LLC
Q3 2021 11/12/2021 377 1,394,259 13F-HR Marathon Trading Investment Management LLC
Q2 2021 8/16/2021 296 1,004,324 13F-HR Marathon Trading Investment Management LLC
Q1 2021 5/17/2021 389 1,107,459 13F-HR Marathon Trading Investment Management LLC
Q4 2020 2/16/2021 345 1,936,519 13F-HR Marathon Trading Investment Management LLC
Q3 2020 11/17/2020 261 1,303,093 13F-HR Marathon Trading Investment Management LLC
Q2 2020 8/14/2020 174 741,098 13F-HR Marathon Trading Investment Management LLC
Q1 2020 5/14/2020 145 532,255 13F-HR Marathon Trading Investment Management LLC
Q4 2019 2/14/2020 188 1,484,943 13F-HR Marathon Trading Investment Management LLC
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Money flow by instrument (QoQ, ex-options)
Derivatives reported exposure ($000): 3.574 M (81.0% of total reported value) · QoQ Δ: +2.357 M
Type Value ($000) Share % Inflow Outflow Net
Stocks 837.1 K 100.0% 601.3 K 0 601.3 K
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Fund Snapshot

Q4 2025
Latest filed
2/13/2026
Total value ($000)
4,411,255
Holdings
352
QoQ value change ($000)
2,958,564 (203.7%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology: sector allocation is stocks-only; instrument flow table is ex-options; options exposure is shown separately. Details.