Among active 13F managers last quarter, none opened or added and 3 reduced; the largest holder to move was Berkley W R Corp (−36%). No recent Form 4 insider filings for RIBB.
Funds lean out and no leg opposes.
18 tracked 13F filers disclose a position in RIBB as of the latest SEC 13F filings, a combined $26.2M 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 | Rivernorth Capital Management, LLC | 400K | $4.3M | —Held | Q2 2026 | |
| 2 | Westchester Capital Management, LLC | 376K | $3.9M | —Held | Q2 2026 | |
| 3 | Berkley W R Corp | 298K | $3.1M | ▼−36% Reduced · −165K sh | Q1 2026 | |
| 4 | Hudson Bay Capital Management LP | 250K | $2.7M | —Held | Q2 2026 | |
| 5 | Karpus Management, Inc. | 218K | $2.3M | —Held | Q2 2026 | |
| 6 | AQR Arbitrage LLC | 185K | $2.0M | —Held | Q2 2026 | |
| 7 | D. E. Shaw & Co., Inc. | 150K | $1.6M | —Held | Q1 2026 | |
| 8 | Gabelli & Co Investment Advisers, Inc. | 139K | $1.5M | —Held | Q2 2026 | |
| 9 | Gabelli Funds LLC | 106K | $1.1M | ▼~0% Reduced · −3 sh | Q1 2026 | |
| 10 | Shaolin Capital Management LLC | 105K | $1.1M | ▼−13% Reduced · −15K sh | Q2 2026 | |
| 11 | Clear Street Group Inc. | 68K | $737K | ▲+8.0% Added · +5K sh | Q2 2026 | |
| 12 | Goldman Sachs Group Inc | 60K | $632K | —Held | Q1 2026 | |
| 13 | Centiva Capital, LP | 40K | $430K | —Held | Q2 2026 | |
| 14 | Dakota Wealth Management | 29K | $316K | —Held | Q2 2026 | |
| 15 | Warberg Asset Management LLC | 22K | $235K | —Held | Q2 2026 | |
| 16 | Toronto Dominion Bank | 18K | $191K | ▼−79% Reduced · −70K sh | Q1 2026 | |
| 17 | UBS Group AG | 1K | $16K | ▲New +1K sh | Q1 2026 | |
| 18 | Morgan Stanley | 50 | $526 | ▲+43% Added · +15 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, no active manager opened or added to a position in RIBB, 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 |
|---|---|---|
| Oyster Enterprises II Acq-AOYSE | 11 funds | $69.6M |
| Eqv Ventures Acquisition C-AEVAC | 10 funds | $70.9M |
| Oxley Bridge Acquisitio-CL AOBA | 10 funds | $56.6M |
| AI Infrastructure Ac-AAIIA | 10 funds | $53.5M |
| White Pearl Acquisition Co-AWPAC | 10 funds | $49.6M |
| Crown Reserve Acquisiti-CL ACRAC | 10 funds | $39.8M |
| Emmis Acquisition Corp-CL AEMIS | 10 funds | $36.9M |
| Lakeshore Acquisition III CoLCCC | 10 funds | $25.3M |
| Drugs Made In America AcquisDMII | 9 funds | $87.6M |
| Jackson Acquisition Co-CL AJACS | 9 funds | $67.1M |
| Soulpower Acquisition Co-ASOUL | 9 funds | $63.1M |
| Copley Acquisition Corp-ACOPL | 9 funds | $59.5M |
Ranked by how many of RIBB's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in RIBB.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
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 | 2 | 4 | – |
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.
| Class | 13F holders | Value held |
|---|---|---|
| RIBBthis pageORD SHS CL A | 18 funds | $26.2M |
| RIBBRSPACS | 17 funds | $994K |
| RIBBUUNIT 99/99/9999 | 1 funds | $5K |
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 RIBB
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/RIBB/capital-change-brief"
Use Arkolith's capital_change_brief for RIBB. 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 RIBB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.