Among active 13F managers last quarter, 10 opened and 7 added, while 3 reduced; the largest holder to move was Citadel Advisors LLC (+898%).
45 tracked 13F filers disclose a position in COLO as of the latest SEC 13F filings, a combined $61.8M 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 | Citadel Advisors LLC | 463K | $19.3M | ▲+898% Added · +416K sh | Q2 2026 | |
| 2 | State of Tennessee, Department of Treasury | 188K | $7.4M | ▼−3.0% Reduced · −6K sh | Q1 2026 | |
| 3 | Morgan Stanley | 135K | $5.4M | ▲+12% Added · +15K sh | Q1 2026 | |
| 4 | LPL Financial LLC | 122K | $4.8M | ▼−8.0% Reduced · −11K sh | Q1 2026 | |
| 5 | Whitebox Advisors LLC | 73K | $3.0M | ▲+5.1% Added · +4K sh | Q2 2026 | |
| 6 | Jane Street Group, LLC | 72K | $2.8M | ▲+105% Added · +37K sh | Q1 2026 | |
| 7 | Cadent Capital Advisors, LLC | 69K | $2.9M | ▲New +69K sh | Q2 2026 | |
| 8 | Sigma Planning Corp | 43K | $1.8M | ▲+3.9% Added · +2K sh | Q2 2026 | |
| 9 | Focus Partners Wealth | 40K | $1.6M | ▼−1.0% Reduced · −388 sh | Q1 2026 | |
| 10 | Man Group plc | 37K | $1.6M | ▲+108% Added · +19K sh | Q2 2026 | |
| 11 | HighTower Advisors, LLC | 35K | $1.4M | ▼−4.9% Reduced · −2K sh | Q1 2026 | |
| 12 | Evergreen Capital Management LLC | 34K | $1.4M | ▲New +34K sh | Q2 2026 | |
| 13 | Militia Capital Partners, LP | 17K | $595K | ▲+9.9% Added · +2K sh | Q4 2025 | |
| 14 | Cavalier Investments, LLC | 16K | $631K | ▼−8.1% Reduced · −1K sh | Q1 2026 | |
| 15 | Envestnet Asset Management Inc | 15K | $601K | ▲+111% Added · +8K sh | Q1 2026 | |
| 16 | Raymond James Financial Inc | 12K | $487K | ▼−77% Reduced · −40K sh | Q1 2026 | |
| 17 | Csenge Advisory Group | 12K | $512K | ▼−0.5% Reduced · −58 sh | Q2 2026 | |
| 18 | D. E. Shaw & Co., Inc. | 9K | $363K | ▲New +9K sh | Q1 2026 | |
| 19 | Old Mission Capital LLC | 9K | $363K | ▼−6.8% Reduced · −665 sh | Q1 2026 | |
| 20 | Whalen Wealth Management Inc. | 9K | $374K | ▲New +9K sh | Q2 2026 | |
| 21 | Group One Trading LLC | 9K | $341K | ▲New +9K sh | Q1 2026 | |
| 22 | Diversify Wealth Management, LLC | 9K | $381K | ▲New +9K sh | Q2 2026 | |
| 23 | Diversify Advisory Services, LLC | 9K | $381K | ▲New +9K sh | Q2 2026 | |
| 24 | Royal Bank Of Canada | 8K | $326K | ▼−65% Reduced · −16K sh | Q1 2026 | |
| 25 | NewEdge Advisors, LLC | 7K | $308K | —Held | 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.
Last quarter, 10 funds opened a new position in COLO and 7 added to an existing one, while 3 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 | 20 funds | $9.6B |
| Taiwan Semiconductor-SP ADRTSM | 19 funds | $3.2B |
| Alphabet Inc-CL CGOOG | 19 funds | $3.1B |
| Meta Platforms Inc-Class AMETA | 19 funds | $2.9B |
| SS SPDR S&P 500 ETF Trust-USSPY | 19 funds | $2.9B |
| Eli Lilly & CoLLY | 19 funds | $1.6B |
| Visa Inc-Class A SharesV | 19 funds | $1.4B |
| Microsoft CorpMSFT | 18 funds | $5.3B |
| Amazon.com IncAMZN | 18 funds | $4.5B |
| Broadcom IncAVGO | 18 funds | $4.3B |
| Tesla IncTSLA | 18 funds | $3.0B |
| Mastercard Inc - AMA | 18 funds | $1.8B |
Ranked by how many of COLO's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in COLO.
| Class | 13F holders | Value held |
|---|---|---|
| PAVEmc | 749 funds | $8.1B |
| AIQmc | 628 funds | $4.2B |
| URAmc | 479 funds | $2.2B |
| COPXmc | 429 funds | $2.6B |
| BOTZmc | 412 funds | $1.2B |
| QYLDmc | 398 funds | $1.7B |
| MLPXmc | 314 funds | $2.3B |
| SILmc | 300 funds | $1.3B |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for COLO
This ETF 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/COLO/capital-change-brief"
Use Arkolith's capital_change_brief for COLO. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + the live filing stream, joined for COLO. Filings are public domain, sourced to SEC EDGAR.