Among active 13F managers last quarter, 2 opened and 6 added, while 6 reduced; the largest holder to move was AQR Arbitrage LLC (+0.4%). No recent Form 4 insider filings for JACS.
No leg leans either way.
43 tracked 13F filers disclose a position in JACS as of the latest SEC 13F filings, a combined $192.7M 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 | Hudson Bay Capital Management LP | 1.5M | $16.2M | —Held | Q2 2026 | |
| 2 | Westchester Capital Management, LLC | 1.2M | $12.6M | —Held | Q2 2026 | |
| 3 | AQR Arbitrage LLC | 1.2M | $12.4M | ▲+0.4% Added · +5K sh | Q2 2026 | |
| 4 | Linden Advisors LP | 1.1M | $12.2M | —Held | Q1 2026 | |
| 5 | D. E. Shaw & Co., Inc. | 1.1M | $12.1M | —Held | Q1 2026 | |
| 6 | Polar Asset Management Partners Inc. | 1.0M | $10.9M | —Held | Q2 2026 | |
| 7 | Highbridge Capital Management LLC | 868K | $9.2M | ▲+612% Added · +746K sh | Q2 2026 | |
| 8 | Heights Capital Management, Inc | 700K | $7.4M | —Held | Q2 2026 | |
| 9 | Radcliffe Capital Management, L.P. | 675K | $7.2M | —Held | Q2 2026 | |
| 10 | Magnetar Financial LLC | 600K | $6.4M | —Held | Q2 2026 | |
| 11 | Tenor Capital Management Co., L.P. | 600K | $6.4M | —Held | Q2 2026 | |
| 12 | First Trust Capital Management L.P. | 563K | $6.0M | —Held | Q2 2026 | |
| 13 | Meteora Capital, LLC | 528K | $5.6M | ▼−57% Reduced · −692K sh | Q2 2026 | |
| 14 | Two Sigma Investments, LP | 475K | $5.0M | —Held | Q1 2026 | |
| 15 | LMR Partners LLP | 444K | $4.7M | —Held | Q2 2026 | |
| 16 | Berkley W R Corp | 430K | $4.6M | ▲+24% Added · +84K sh | Q1 2026 | |
| 17 | Picton Mahoney Asset Management | 400K | $4.3M | —Held | Q2 2026 | |
| 18 | Toronto Dominion Bank | 400K | $4.2M | ▼−34% Reduced · −203K sh | Q1 2026 | |
| 19 | Wealthspring Capital LLC | 398K | $4.2M | ▼−0.6% Reduced · −3K sh | Q2 2026 | |
| 20 | Verition Fund Management LLC | 376K | $4.0M | ▲+0.3% Added · +1K sh | Q2 2026 | |
| 21 | Periscope Capital Inc. | 375K | $4.0M | ▲+15% Added · +50K sh | Q2 2026 | |
| 22 | Goldman Sachs Group Inc | 360K | $3.8M | —Held | Q1 2026 | |
| 23 | Rivernorth Capital Management, LLC | 359K | $3.8M | ▼−0.1% Reduced · −184 sh | Q2 2026 | |
| 24 | Crossingbridge Advisors, LLC | 312K | $3.3M | ▼−4.6% Reduced · −15K sh | Q2 2026 | |
| 25 | Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 300K | $3.2M | ▼−40% Reduced · −200K 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, 2 funds opened a new position in JACS and 6 added to an existing one, while 6 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 |
|---|---|---|
| Axiom Intelligence-CL AAXIN | 31 funds | $134.3M |
| Republic Digital Acquis-CL ARDAG | 30 funds | $183.1M |
| Oyster Enterprises II Acq-AOYSE | 30 funds | $168.6M |
| Cantor Equity Partners-CL ACEPF | 30 funds | $163.2M |
| Sizzle Acquisition Corp-CL ASZZL | 30 funds | $158.5M |
| Cantor Equity Partners-CL ACEPV | 30 funds | $105.0M |
| Eqv Ventures Acquisition C-AEVAC | 29 funds | $203.4M |
| Soulpower Acquisition Co-ASOUL | 29 funds | $178.6M |
| Wen Acquisition Corp-AWENN | 29 funds | $164.8M |
| Inflection Point Acquisiti-AIPCX | 29 funds | $153.2M |
| M3-Brigade Acquisition-CL AMBVI | 28 funds | $165.9M |
| Crane Harbor Acquisitio-CL ACRAN | 28 funds | $162.5M |
Ranked by how many of JACS's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in JACS.
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 | 6 | 9 | – |
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 |
|---|---|---|
| JACSthis pageEquity | 43 funds | $192.7M |
| JACS-RSPACS | 35 funds | $2.9M |
| JACS/UUNIT 99/99/9999 | 2 funds | $5.7M |
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 JACS
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/JACS/capital-change-brief"
Use Arkolith's capital_change_brief for JACS. 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 JACS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.