Jane Street grows FBTC stake nearly 8x and cuts IBIT 19% in Q3

Key points

  • Jane Street held 7.01M FBTC shares at end of Q3, up from 887,000 in June
  • Jane Street cut IBIT shares 19%, but the stake is still worth $957M
  • JPMorgan raised its Strategy stake 36% to nearly 849,000 shares
Share

Metric

Value

Jane Street FBTC shares

7.01M

Jane Street IBIT value

$957M

JPMorgan IBIT shares

11.41M

JPMorgan Strategy value

$131M

Laurore IBIT cut

-33%

Third-quarter 13F filings with the SEC show Jane Street moved part of its bitcoin exposure from IBIT into Fidelity's ETF, while JPMorgan added both IBIT and Strategy shares. All positions are as of September 30.

What Jane Street did

The trading firm ended September with 7.01M shares of the Fidelity Wise Origin Bitcoin Fund (FBTC), up from about 887,000 at the end of June. The position was worth $509M on September 30.

Its holdings in BlackRock's iShares Bitcoin Trust (IBIT) fell to 20.22M shares from 24.88M. A higher share price still lifted the reported value to $957M from $828M.

Fund

Q2 shares

Q3 shares

Q3 value

FBTC

887,000

7.01M

$509M

IBIT

24.88M

20.22M

$957M

  • ARKB: nearly 9M shares added, worth about $249M
  • ETHA: position more than doubled, with 7.83M shares added (about $158M)
  • Jane Street was the largest reported institutional IBIT holder at the end of June, after a 324% share count increase in Q2, according to 13F Pro

IBIT remains the world's largest spot bitcoin ETF, with $56B in net assets as of Thursday.

JPMorgan adds IBIT and Strategy

JPMorgan Chase increased its IBIT holdings by 9.6% in Q3, adding about 1M shares to reach 11.41M. The reported position was worth around $540M.

The bank also raised its stake in bitcoin treasury company Strategy by 36% to nearly 849,000 shares. The position was worth about $131M at the end of the quarter.

At the same time, JPMorgan nearly erased its direct exposure to the iShares Ethereum Trust (ETHA), cutting it from 1.17M shares at the end of June to just 399 shares.

Position

Q3 shares

Change

Q3 value

IBIT

11.41M

+9.6%

~$540M

Strategy

~849,000

+36%

~$131M

ETHA

399

from 1.17M

-

Laurore cuts IBIT by 33%

Laurore, which lists a Hong Kong business address in its SEC filing, reduced its IBIT holdings by 33%, or 1.6M shares, to 3.25M. The stake was worth about $154M at the end of Q3.

The entity drew attention in February 2026 after disclosing an IBIT position worth $436M at the end of 2025.

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