Sumitomo Mitsui DS AM Exits French Bonds as 10-Year Yield Hits 4.96%
Sumitomo Mitsui sold all its French bonds as the 10-year yield hit 4.96%, a 2002 high. Japan's October 8 flow data will show if other funds followed.
AI SummaryAI
- Sumitomo Mitsui DS Asset Management sold all its French bonds, moving proceeds into German debt.
- France's 10-year borrowing rate touched 4.96% last week, the highest since 2002.
- France sold about €12 billion of long-term bonds on October 1, drawing roughly double the bids.
- Japanese investors sold a net ¥684.5 billion ($4.3 billion) of foreign bonds in the week ended September 26.
Sumitomo Mitsui DS Exits French Debt
Sumitomo Mitsui DS Asset Management has sold every French government bond in its global bond portfolio, a complete exit from the euro area's largest sovereign market. Shinji Kunibe, who heads the firm's global bond team, directed the proceeds into German bonds and short-term Japanese debt; the firm did not disclose the size of the position it closed. The move surfaced on October 2 and lands at a delicate moment for Paris. France carries debt equal to roughly 119% of annual economic output, and its 10-year borrowing rate touched 4.96% last week, the costliest since 2002. Lawmakers are still arguing over a deficit plan that bond investors treat with suspicion, and the worry among holders is that the fiscal fight drags on while yields climb. Stern Drew, a commodities analyst, framed the risk bluntly: with Japanese demand withdrawn, Europe's largest sovereign bond market must find replacement buyers precisely while its own government wrangles over a budget that markets already distrust, and he argued that Japanese selling may already have broken the French bond market. The primary auction record offers a counterpoint. France sold about €12 billion of long-term bonds on October 1 and attracted bids worth roughly twice that sum, per the country's debt management office, a book that suggests demand has not vanished even after the Sumitomo exit. The open question is whether the fund acted alone. Japanese institutions collectively hold one of the largest pools of euro-denominated sovereign debt, built over decades of hunting for yield that domestic bonds no longer pay, and a coordinated pullback would reprice the market in a way a single auction cannot reveal. That is what this week's official flow data is designed to test.
Japan's October 8 Flow Data in Focus
Japan's Ministry of Finance will publish the first trading data covering the period after the Sumitomo exit on October 8, with the release due at 8:50 a.m. Tokyo time per the ministry's publication calendar. The weekly series aggregates the securities transactions of the country's largest banks, insurers and asset managers. The most recent print, covering the week that ended September 26, came days before Kunibe's sale and already showed outflows. Japanese investors sold a net ¥684.5 billion ($4.3 billion) of foreign bonds that week, after offloading ¥1.9 trillion ($12 billion) the week before, according to ministry data. One limitation matters for anyone trying to isolate France: the series never breaks out individual euro issuers, counting all foreign bonds as a single aggregate. Thursday's print can therefore confirm the direction of Japanese selling but not its destination. The reason crypto desks track the series is the yen carry trade, the strategy of borrowing cheap yen to buy higher-yielding assets abroad. When the yen strengthens, those loans become more expensive to service and holders are pushed to unwind, selling whatever is liquid. The Bank for International Settlements put such positioning at about $250 billion before the August 2024 crash, an episode in which Bitcoin and Ethereum fell as much as 20%. The mechanism has since passed a quieter test. In September, the yen gained 3.7% within days, yet Bitcoin held above $79,000 through the move. As of Sunday, Bitcoin traded near $85,363, up 0.46% over 24 hours, a market that is no longer priced as the first domino of a carry unwind. Leverage has also migrated: much of today's risk sits in instruments such as stock perpetual contracts, which carry exposure without an expiry date and liquidate position by position rather than through a single funding squeeze.
October 8 Print: Direction, Not Destination
COINOTAG's reading is that Thursday's release settles a narrower question than the headlines suggest. Because the ministry aggregates all foreign bonds into one series, a third consecutive week of net selling would confirm that Japanese demand for overseas sovereign paper is thinning, but it cannot prove the money left France specifically. The Sumitomo exit, the €12 billion auction book and the ¥1.9 trillion September outflows point the same way for now. The October 8 print, due at 8:50 a.m. Tokyo time, is the first official word on whether they describe one desk or a trend.
Primary sources
- debt management office · aft.gouv.fr
- ministry data · mof.go.jp
AI-generated, AI-reviewed, under COINOTAG editorial oversight.

