Among active 13F managers last quarter, 4 added and 1 reduced; the largest holder to move was Citadel Advisors LLC (+346%). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
23 tracked 13F filers disclose a position in CISO as of the latest SEC 13F filings, a combined $905K 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.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Vanguard Capital Management LLC | 732K | $203K | —Held | Q2 2026 | |
| 2 | UBS Group AG | 534K | $185K | ▲149× Added · +531K sh | Q1 2026 | |
| 3 | Citadel Advisors LLC | 497K | $138K | ▲+346% Added · +385K sh | Q2 2026 | |
| 4 | Geode Capital Management, LLC | 389K | $108K | ▼−24% Reduced · −126K sh | Q2 2026 | |
| 5 | Vanguard Fiduciary Trust Co | 187K | $52K | —Held | Q2 2026 | |
| 6 | Mercer Global Advisors Inc | 145K | $50K | —Held | Q1 2026 | |
| 7 | State Street Corp | 131K | $36K | —Held | Q2 2026 | |
| 8 | Northern Trust Corp | 109K | $38K | —Held | Q1 2026 | |
| 9 | XTX Topco Ltd | 84K | $29K | ▲+23% Added · +16K sh | Q1 2026 | |
| 10 | LPL Financial LLC | 53K | $18K | —Held | Q1 2026 | |
| 11 | Jane Street Group, LLC | 41K | $14K | ▲New +41K sh | Q1 2026 | |
| 12 | Osaic Holdings, Inc. | 36K | $13K | —Held | Q1 2026 | |
| 13 | BlackRock, Inc. | 26K | $7K | ▼−17% Reduced · −5K sh | Q2 2026 | |
| 14 | Two Sigma Securities, LLC | 17K | $5K | ▼−39% Reduced · −11K sh | Q2 2026 | |
| 15 | Susquehanna International Group, LLP | 15K | $5K | ▼−67% Reduced · −31K sh | Q1 2026 | |
| 16 | Tower Research Capital LLC (TRC) | 7K | $2K | ▲+41% Added · +2K sh | Q1 2026 | |
| 17 | Ascentis Wealth Management, LLC | 5K | $1K | —Held | Q2 2026 | |
| 18 | American Capital Advisory, LLC | 3K | $693 | —Held | Q2 2026 | |
| 19 | SBI Securities Co., Ltd. | 2K | $416 | ▲+22% Added · +273 sh | Q2 2026 | |
| 20 | Citigroup Inc | 131 | $45 | ▲New +131 sh | Q1 2026 | |
| 21 | BNP Paribas Financial Markets | 105 | $36 | —Held | Q1 2026 | |
| 22 | Morgan Stanley | 21 | $7 | ▼−99% Reduced · −3K sh | Q1 2026 | |
| 23 | JPMorgan Chase & Co | 8 | $3 | —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.
Last quarter, 4 funds added to an existing position in CISO, while 1 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 6 funds | $2.9B |
| Microsoft CorpMSFT | 6 funds | $1.6B |
| Alphabet Inc-CL AGOOGL | 6 funds | $1.2B |
| Broadcom IncAVGO | 6 funds | $1.2B |
| Eli Lilly & CoLLY | 6 funds | $1.2B |
| Alphabet Inc-CL CGOOG | 6 funds | $1.0B |
| Advanced Micro DevicesAMD | 6 funds | $989.3M |
| Micron Technology IncMU | 6 funds | $917.9M |
| Applied Materials IncAMAT | 6 funds | $827.6M |
| Abbvie IncABBV | 6 funds | $826.4M |
| Kla CorpKLAC | 6 funds | $786.4M |
| Howmet Aerospace IncHWM | 6 funds | $765.4M |
Ranked by how many of CISO's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in CISO.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 22, 2020 | McCain Andrew K | Director | Buy (P) | 250K | $500K |
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.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 5 | 5 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $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.
Connected entities for CISO
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.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/CISO/capital-change-brief"
Use Arkolith's capital_change_brief for CISO. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CISO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.