Jane Street’s YieldMax Short COIN Option Income Strategy ETF FIAT Stock Holding History

Jane Street’s Portfolio FIAT Stock Details FIAT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-57,750	Closed	-$1.58M	–	12678
2025 Q3	$1.58M	Buy	57,750 +42,387	+276%	+$1.33M	﹤0.01%	5386
2025 Q2	$528K	Buy	15,363 +5,770	+60%	+$362K	﹤0.01%	6814
2025 Q1	$913K	Sell	9,593 -5,024	-34%	-$415K	﹤0.01%	5737
2024 Q4	$1.36M	Buy	14,617 +11,665	+395%	+$1.45M	﹤0.01%	4823
2024 Q3	$565K	Buy	+2,952	New	+$589K	﹤0.01%	6978

Other funds holding FIAT

Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

OMC

Old Mission Capital Chicago, Illinois $6.3B AUM 14.68% 1-Year Est. Return

KPWS

Kestra Private Wealth Services Austin, Texas $9.1B AUM 32.09% 1-Year Est. Return

WWA

Wealth Watch Advisors Englewood, Colorado $239M AUM 21.17% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

AWM

AE Wealth Management Topeka, Kansas $21.5B AUM 26.98% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Jane Street's FIAT Position: Q4 2025 in Review

Jane Street sold out of YieldMax Short COIN Option Income Strategy ETF (FIAT) in Q4 2025, closing a stake of 57,750 shares — an estimated $1.58M sold.

Jane Street first reported a position in FIAT in Q3 2024 and held it in 5 quarters. The position peaked at $1.58M in Q3 2025. 8 funds tracked by Wall St. Rank hold FIAT as of Q4 2025.

Jane Street reported no remaining YieldMax Short COIN Option Income Strategy ETF position as of Q4 2025 after selling out during the quarter.
Jane Street sold 57,750 YieldMax Short COIN Option Income Strategy ETF shares in Q4 2025, an estimated $1.58M.
Jane Street first reported a position in YieldMax Short COIN Option Income Strategy ETF in Q3 2024 and held it in 5 quarters.
Jane Street's YieldMax Short COIN Option Income Strategy ETF position peaked at $1.58M in Q3 2025.
8 funds tracked by Wall St. Rank held YieldMax Short COIN Option Income Strategy ETF as of Q4 2025.

Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.