Among active 13F managers last quarter, 1 opened and 1 added, while 1 reduced; the largest holder to move was Exchange Traded Concepts, LLC (−4.6%).
5 tracked 13F filers disclose a position in COSW as of the latest SEC 13F filings, a combined $7.8M 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 | Exchange Traded Concepts, LLC | 164K | $6.6M | ▼−4.6% Reduced · −8K sh | Q2 2026 | |
| 2 | Old Mission Capital LLC | 12K | $571K | ▲New +12K sh | Q1 2026 | |
| 3 | GTS Securities LLC | 8K | $363K | ▲+38% Added · +2K sh | Q1 2026 | |
| 4 | Susquehanna International Group, LLP | 5K | $243K | ▲New +5K sh | Q1 2026 | |
| 5 | Simplex Trading, LLC | 99 | $5K | ▼−2.9% Reduced · −3 sh | 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, 1 fund opened a new position in COSW and 1 added to an existing one, 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 |
|---|---|---|
| Ishares Core Msci EmergingIEMG | 3 funds | $712.9M |
| Vanguard S&P 500 ETFVOO | 3 funds | $594.3M |
| SS SPDR S&P 500 ETF Trust-USSPY | 3 funds | $495.0M |
| Nvidia CorpNVDA | 3 funds | $422.1M |
| Invesco QQQ Trust Series 1QQQ | 3 funds | $262.1M |
| Tesla IncTSLA | 3 funds | $243.4M |
| Ishares Core S&P 500 ETFIVV | 3 funds | $199.3M |
| Taiwan Semiconductor-SP ADRTSM | 3 funds | $183.4M |
| Vanguard Ftse Developed ETFVEA | 3 funds | $139.8M |
| Ste STR SPDR PT DW EU ETFSPDW | 3 funds | $129.5M |
| ASML Holding NV-NY Reg SHSASML | 3 funds | $87.1M |
| Ishares MBS ETFMBB | 3 funds | $83.7M |
Ranked by how many of COSW's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in COSW.
| Class | 13F holders | Value held |
|---|---|---|
| DRAMmc | 258 funds | $2.6B |
| QDTEmc | 35 funds | $30.7M |
| XDTEUIT EXCHANGE TRADED | 30 funds | $20.3M |
| OZEMMF Closed and MF Open | 28 funds | $12.3M |
| YBTCETF | 15 funds | $14.9M |
| RDTERUSSELL 2000 0DT | 15 funds | $12.9M |
| MAGYmc | 14 funds | $14.4M |
| MARSSTOK | 13 funds | $5.3M |
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 COSW
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/COSW/capital-change-brief"
Use Arkolith's capital_change_brief for COSW. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for COSW. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.