QMCO

Quantum Corp$12.70 19.52%
Information TechnologyUSCUSIP 747906600· EOD Jun 5, 2026◍ Confluence graph
Tracked 13F Holders
7
-3 QoQ
13F Value (tracked)
$877K
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)2 adding · 1 trimming
Insider net (180d)$0

Price & smart-money activity

$12.70 19.52%5Y -91.9%
$2.31$44.07$85.83$127.60$169.36202120222023202420252026452661155275324428357
Hover for who · click for detailEnd-of-day closing prices52w $4.31 – $15.95
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Use QMCO data in an agent

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent who owns QMCO

This stock page is the Follow view. The Build view lets your agent query QMCO owners, fund changes, insider filings, and source links through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/QMCO"
Ask your agent
Use Arkolith to show who owns QMCO,
which funds added or reduced it, and which
SEC filings prove each claim.

Top institutional holders

7 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1VANGUARD FIDUCIARY TRUST CO
$381K
80K
New
+80K sh
Q1 2026
2STATE STREET CORP
$346K
73K
−20%
Reduced · −18K sh
Q1 2026
3BRIDGEWAY CAPITAL MANAGEMENT, LLC
$77K
16K
New
+16K sh
Q1 2026
4Kovack Advisors, Inc.
$63K
12K
New
+12K sh
Q1 2026
5SBI Securities Co., Ltd.
$10K
2K
−17%
Reduced · −421 sh
Q1 2026
6EFG International AG
$477
100
Held
Q1 2026
7Federation des caisses Desjardins du Quebec
$119
25
Held
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
2
funds
Added
0
funds
Reduced
1
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Jun 4, 2026FICHTHORN JOHNDirector, 10% OwnerGrant (A)3.1M$16.0M
Jun 4, 2026FICHTHORN JOHNDirector, 10% OwnerConversion (C)57.2M
Jun 4, 2026FICHTHORN JOHNDirector, 10% OwnerConversion (C)11.0M$57.2M
Jun 4, 2026Dialectic Technology SPV LLC10% OwnerGrant (A)3.1M$16.0M
Jun 4, 2026Dialectic Technology SPV LLC10% OwnerConversion (C)11.0M$57.2M
Jun 1, 2026Dialectic Technology SPV LLC10% OwnerOther (J)106K
Jun 1, 2026FICHTHORN JOHNDirector, 10% OwnerOther (J)106K
Mar 4, 2026White William HillisChief Financial OfficerGrant (A)25K$0
Jan 1, 2026White Yue ZhouDirectorGrant (A)12K$0
Jan 1, 2026Meyrath HuguesPresident & CEO, DirectorGrant (A)63K$0
Jan 1, 2026Meyrath HuguesPresident & CEO, DirectorGrant (A)50K$0
Jan 1, 2026Craythorne AnthonyChief Revenue OfficerGrant (A)15K$0

Institutional ownership over time

29 funds+5 since Q3 2024
01835Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $6.5M

Funds that own QMCO also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT8 funds$1.1B
ALPHABET INC-CL CGOOG8 funds$516.5M
META PLATFORMS INC-CLASS AMETA8 funds$397.6M
ORACLE CORPORCL8 funds$66.0M
TWILIO INC - ATWLO8 funds$39.1M
TAPESTRY INCTPR8 funds$23.8M
LUMENTUM HOLDINGS INCLITE8 funds$23.6M
NVIDIA CORPNVDA7 funds$1.5B
APPLE INCAAPL7 funds$1.0B
AMAZON.COM INCAMZN7 funds$863.7M
ALPHABET INC-CL AGOOGL7 funds$668.2M
BROADCOM INCAVGO7 funds$440.8M

Ranked by how many of QMCO's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for QMCO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.