DOSSIER · 13F Holders · Q2 2026Technology · Electronic Computers
SMCI

SUPER MICRO COMPUTER INC

826 institutions still hold SUPER MICRO COMPUTER INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 86800U302·Electronic Computers·826 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$11.1B
visible holders
Holders
826
filers reporting
Concentration
12.58%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

Super Micro Computer Inc. (SMCI, CUSIP 86800U302) arrived at Q1 2026 carrying $10.7B of institutional 13F value across 695 holders — a stock whose institutional background is inseparable from the late-2024 accounting and auditor controversies that produced the company's delisting notice from Nasdaq and a subsequent restatement process that remains unresolved. On the front of structural institutional identity, SMCI is a high-margin data-center hardware and liquid-cooling play for AI training and inference infrastructure, both of which remain structurally expanding demand drivers regardless of one company's governance. The defining Q1 signal from the 13F file: BlackRock reduced by $230M and Millennium Management added $60M, a pattern most consistent with institutional managers repricing governance-liquidity risk (BlackRock trimming per compliance/risk-grade downgrade) while systematic/event-driven managers (Millennium) see mispricing within the post-scandal drawdown. For smart-money trackers, SMCI's Q1 change set is worth reading as a governance-risk rotation signal rather than a fundamental AI-valuation decision — BlackRock's exit is governance-quota driven; Millennium's entry is a mispricing/dislocation bet. The 695-holder holder base remains broad and is not unravelling despite the delisting history.

The Nasdaq delisting (October 2024) followed auditor resignation (Ernst & Young over independence concerns) and inability to file timely financials. Subsequent recovery plan included restatement, new auditor (Marcum), and relisting efforts. By Q1 2026, SMCI remains at higher compliance-risk grade until restatement complete — this is the governance overhang that drives manager rotation.

BlackRock's $230M reduction in Q1 is consistent with risk-grade-based sleeve rotation: a formerly-largest-holder trimming when internal risk scoring de-weights a non-compliant name. Not a fundamentals-driven decline.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.4B47.7M0.02%Q2 2026
02
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$1.2B42.5M0.10%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$1.1B36.4M0.02%Q2 2026
04
Vanguard Portfolio Management
CIK 0002100121· Index
$964M32.9M0.04%Q2 2026
05
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$827M36.3M0.11%Q1 2026
06
STATE STREET CORP
CIK 0000093751
$723M24.6M0.02%Q2 2026
07
UBS Group AG
CIK 0001610520
$624M21.3M0.08%Q2 2026
08
CITADEL ADVISORS LLC
CIK 0001423053
$597M20.4M0.07%Q2 2026
09
GOLDMAN SACHS GROUP INC
CIK 0000886982
$506M17.3M0.04%Q2 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$453M15.5M0.02%Q2 2026
11
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$387M7.7M0.13%Q2 2026
12
Invesco Ltd.
CIK 0000914208
$344M11.7M0.03%Q2 2026
13
D. E. Shaw & Co., Inc.
CIK 0001009207
$325M11.1M0.18%Q4 2025
14
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$314M10.7M0.23%Q2 2026
15
MORGAN STANLEY
CIK 0000895421
$265M9.0M0.01%Q2 2026
16
Tidal Investments LLC
CIK 0001600064
$233M7.9M0.40%Q2 2026
17
WOLVERINE TRADING, LLC
CIK 0000927337
$226M4.9M0.16%Q3 2025
18
Weiss Asset Management LP
CIK 0001357550
$211M7.2M2.21%Q2 2026
19
CITIGROUP INC
CIK 0000831001
$207M7.1M0.07%Q2 2026
20
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$199M6.8M0.27%Q2 2026
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Insiders at SUPER MICRO COMPUTER INC
Xiao JinMalyala VikranthWeigand David EThauberger MatthewMogensen SusanBlair Robert LTuan ShermanLiu Tally C