Super Micro Computer closed the week at $41.02, essentially flat on the week, but the more consequential move has been under the surface: short sellers who rebuilt aggressively into mid-September weakness have now cut their position for the second consecutive week, and the lending market has opened up considerably.
The short unwind is the clearest trend worth tracking. Short interest fell another 5.1% on the week to 92.0 million shares, now representing 15.4% of the free float. That is down from the September 15 peak of 96.9 million shares. The move is noteworthy for its context: last week's note documented how shorts had rebuilt from 80.2 million to 96.1 million through mid-September, only to begin trimming as the stock recovered. That trim is continuing, but not because they are being forced out. Borrow costs remain negligible at 0.46%, and availability has expanded sharply, up 30% on the week to 320%, meaning there are now more than three shares available in the lending pool for every one already borrowed. The ORTEX short score has drifted lower all week, from 61.8 on September 21 to 58.0 by September 29, consistent with a gradual reduction in short conviction rather than a panic cover. Shorts are walking away from a position that isn't working, not running from a squeeze.
Options positioning has settled back to neutral after a brief defensive spike. The put/call ratio closed the week at 0.78, modestly above its 20-day average of 0.76, and the z-score of 0.42 places it well within normal territory. On Monday the PCR touched 0.99, the highest reading of the past year, suggesting a burst of hedging activity at the start of the week. By Tuesday it had reversed entirely. That one-day extreme looks like event-driven protection rather than a structural shift in sentiment; the week's close at 0.78 suggests options traders are not particularly alarmed.
The Street has not moved since the August 12 earnings reaction wave, when analysts broadly lifted targets after SMCI posted a strong beat. The analyst data is now 47 days old, putting it at the stale end for trading purposes, but the pattern from that round is worth noting: even after upgrades, most firms landed at neutral rather than positive ratings, with Citigroup at neutral targeting $39, Goldman Sachs maintaining a sell with a $34 target, and Mizuho neutral at $35. Only Needham at $46 and Rosenblatt at $51 carry outright buys. The mean target of $42.38 sits just above the current price, which means the consensus is pricing in negligible upside at these levels. The bull case centres on a $60 billion-plus backlog, FY27 revenue guidance of $65 to $72 billion, and improving cash generation. The bear case points to the Q4 revenue print landing near the low end of guidance, non-recurring margin tailwinds, and ongoing internal-control concerns. Those two camps have not resolved, and the Street is not being pushed off the fence.
One element worth flagging on ownership is the Vanguard restructuring visible in the 13D/G register. The Vanguard Group filed a 13G/A in March 2026 showing its stake had dropped to zero from a prior 11.58%, while two successor entities, Vanguard Capital Management and Vanguard Portfolio Management, subsequently filed 13G positions totalling around 11.3% combined. This appears to reflect an internal reorganisation rather than an exit, and the position held in the institutional table confirms both entities remain among the top five holders. Jane Street's 13G/A filed in August shows its stake trimmed from 8.5% to 7.4%, a reduction of roughly 1.1 percentage points, consistent with the kind of rebalancing common among quantitative market makers. No activist 13D is on the register. All 13D/G positions are as-last-disclosed around the 5% threshold; holders dropping below that level may exit without filing again.
The next scheduled earnings date is November 3. With 34 days to go, the positioning setup heading into that event will matter more than the current week's modest price action. After August's print the stock jumped nearly 20% in a single session, its strongest post-earnings reaction on record in this dataset. Whether the short base, which is still running at 15% of the float, re-expands into that event or continues to diminish is the question worth watching.
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