STXN

Seagate Technology Holdings Cross-source read
UnclassifiedCUSIP G7945M107

Among active 13F managers last quarter, 1 opened and 3 added, while 2 reduced; the largest holder to move was Cacti Asset Management LLC (−38%). No open-market insider trades in the last 180 days.

Tracked 13F holders
7
6 in Q2 2026 filings
13F value (tracked)
$369.0M
Smart-money readBullish
Net sellingNet buying
Funds · active managers, latest 13F
4 adding · 2 trimming
Insiders · Form 4 open-market, 180d
0 buying · 0 selling
US House · STOCK Act, 180d
0 buying · 0 selling

Funds lean in and no leg opposes.

Who owns STXN?

7 tracked 13F filers · ranked by shares held

7 tracked 13F filers disclose a position in STXN as of the latest SEC 13F filings, a combined $369.0M in reported value. 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.

#FundSharesPosition valueLast moveAs ofHistory
1Cacti Asset Management LLC328K
$316.4M
−38%
Reduced · −198K sh
Q2 2026
2Harvest Fund Management Co., Ltd32K
$30.9M
+1.4%
Added · +443 sh
Q2 2026
3Berkshire Capital Holdings Inc20K
$18.9M
2k×
Added · +20K sh
Q2 2026
4Partners Capital Investment Group, LLP2K
$2.2M
Held
Q2 2026
5Ferguson Wellman Capital Management, Inc904
$354K
−2.0%
Reduced · −19 sh
Q1 2026
6Cascades Capital Asset Management, LLC172
$166K
New
+172 sh
Q2 2026
7Joseph Group Capital Management66
$64K
+57%
Added · +24 sh
Q2 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.

Is STXN being bought or sold by institutions?

Last quarter, 1 fund opened a new position in STXN and 3 added to an existing one, while 2 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
1
fund took a first position
Added
3
added to an existing position
Reduced
2
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own STXN also own

CompanyCo-held byTheir position there
Meta Platforms Inc-Class AMETA7 funds$101.6M
Apple IncAAPL6 funds$690.7M
Alphabet Inc-CL AGOOGL6 funds$472.6M
Microsoft CorpMSFT6 funds$466.9M
Broadcom IncAVGO6 funds$339.2M
Micron Technology IncMU6 funds$225.9M
Corning IncGLW6 funds$202.8M
Cisco Systems IncCSCO6 funds$158.1M
Intel CorpINTC6 funds$156.8M
Tesla IncTSLA6 funds$88.5M
Uber Technologies IncUBER6 funds$78.0M
Netflix IncNFLX6 funds$29.3M

Ranked by how many of STXN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in STXN.

Insider activity (Form 4)

Full insider page →
Net · 180d
$0
0 open-market transactions
DateInsiderRoleActionSharesValue
Jan 16, 2007Kissner CharlesExecutive ChairmanSell (S)
2 lots, same day
15K$76K
Jan 12, 2007Kissner CharlesExecutive ChairmanSell (S)94K$469K
Dec 29, 2006Kissner CharlesExecutive ChairmanSell (S)35K$175K
Dec 28, 2006Thomsen CarlSr. Vice President & CFOSell (S)53K$259K
Dec 27, 2006Thomsen CarlSr. Vice President & CFOSell (S)10K$48K
Dec 27, 2006Kissner CharlesExecutive ChairmanSell (S)15K$76K
Nov 13, 2006Kissner CharlesExecutive ChairmanSell (S)11K$48K
Nov 13, 2006Thomsen CarlSr. Vice President & CFOSell (S)5K$21K
Nov 13, 2006Kennard PaulSr. VP Products & CTOSell (S)4K$19K
Nov 13, 2006Brandt JohnVP Business DevelopmentSell (S)4K$16K
Nov 13, 2006Waechter Thomas HPresident & CEO, DirectorSell (S)10K$45K
Nov 13, 2006Brittain LarryVP World Wide Sales & ServiceSell (S)4K$19K

One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.

Do institutions, insiders and Congress agree?

Mixed signals

Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.

SEC EDGAR 13F + Form 4 + US House STOCK Act{ }get_ticker_confluence · API & MCP

Signals by source

Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive

SourceBuyingSellingNet
13F funds
Top 100 holders by value, passive included; the hero counts active managers only
32
Insiders
Form 4 open-market
00$0
US House
STOCK Act trades
00$0

Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.

Institutional ownership over time

6 tracked filers in Q2 2026 filingsstill filing
047Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $368.7M
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Recent filings

15 most recent

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Connected entities for STXN

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Ask your agent what changed in STXN

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/STXN/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for STXN.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + the live filing stream, joined for STXN. Filings are public domain, sourced to SEC EDGAR.