Among active 13F managers last quarter, 6 opened and 3 added, while 6 reduced; the largest holder to move was Linden Advisors LP (new position). No recent Form 4 insider filings for SCIIR.
Funds lean in and no leg opposes.
33 tracked 13F filers disclose a position in SCIIR as of the latest SEC 13F filings, a combined $2.3M 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 | Harraden Circle Investments, LLC | 2.9M | $540K | —Held | Q2 2026 | |
| 2 | Linden Advisors LP | 1.5M | $326K | ▲New +1.5M sh | Q1 2026 | |
| 3 | Toronto Dominion Bank | 1.0M | $223K | ▲New +1.0M sh | Q1 2026 | |
| 4 | Shaolin Capital Management LLC | 478K | $89K | ▼−32% Reduced · −222K sh | Q2 2026 | |
| 5 | Polar Asset Management Partners Inc. | 469K | $87K | ▲+4.3% Added · +19K sh | Q2 2026 | |
| 6 | Mangrove Partners Im, LLC | 450K | $84K | —Held | Q2 2026 | |
| 7 | Highbridge Capital Management LLC | 439K | $82K | ▼−4.8% Reduced · −22K sh | Q2 2026 | |
| 8 | Rivernorth Capital Management, LLC | 433K | $82K | —Held | Q2 2026 | |
| 9 | Context Capital Management, LLC | 425K | $79K | —Held | Q2 2026 | |
| 10 | Meteora Capital, LLC | 420K | $72K | ▼−2.9% Reduced · −12K sh | Q2 2026 | |
| 11 | Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 400K | $87K | ▲New +400K sh | Q1 2026 | |
| 12 | Aristeia Capital, L.L.C. | 300K | $56K | —Held | Q2 2026 | |
| 13 | Magnetar Financial LLC | 300K | $56K | —Held | Q2 2026 | |
| 14 | Periscope Capital Inc. | 245K | $49K | —Held | Q2 2026 | |
| 15 | Hudson Bay Capital Management LP | 244K | $45K | —Held | Q2 2026 | |
| 16 | Clear Street Group Inc. | 240K | $45K | ▼−2.0% Reduced · −5K sh | Q2 2026 | |
| 17 | Tenor Capital Management Co., L.P. | 203K | $38K | —Held | Q2 2026 | |
| 18 | AQR Arbitrage LLC | 199K | $37K | ▲+1.7% Added · +3K sh | Q2 2026 | |
| 19 | Millennium Management LLC | 163K | $36K | ▲New +163K sh | Q1 2026 | |
| 20 | Boothbay Fund Management, LLC | 125K | $25K | —Held | Q2 2026 | |
| 21 | Bulldog Investors, LLP | 125K | $21K | ▼−2.5% Reduced · −3K sh | Q2 2026 | |
| 22 | Radcliffe Capital Management, L.P. | 118K | $24K | ▲+18% Added · +18K sh | Q2 2026 | |
| 23 | Heights Capital Management, Inc | 113K | $21K | ▼−20% Reduced · −29K sh | Q2 2026 | |
| 24 | BNP Paribas Financial Markets | 106K | $23K | —Held | Q1 2026 | |
| 25 | Whitebox Advisors LLC | 100K | $19K | —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, 6 funds opened a new position in SCIIR and 3 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 |
|---|---|---|
| D. Boral Acquisition I-CL ADBCA | 26 funds | $144.3M |
| Texas Ventures Acquisition-ATVA | 26 funds | $114.9M |
| Eqv Ventures Acquisition C-AEVAC | 25 funds | $170.9M |
| Crane Harbor Acquisitio-CL ACRAN | 24 funds | $148.1M |
| New Providence Acquisition-ANPAC | 24 funds | $146.4M |
| Republic Digital Acquis-CL ARDAG | 24 funds | $134.2M |
| Oyster Enterprises II Acq-AOYSE | 24 funds | $129.4M |
| M Evo Global Acquisitio-CL AMEVO | 24 funds | $129.4M |
| Cohen Circle Acquisit II - ACCII | 24 funds | $118.8M |
| Columbus Circle Capital Co-ACMII | 24 funds | $118.1M |
| Viking Acquisition Corp - AVACI | 24 funds | $108.9M |
| Xsolla Spac 1-CL AXSLL | 24 funds | $105.0M |
Ranked by how many of SCIIR's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in SCIIR.
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 | 3 | 7 | – |
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 |
|---|---|---|
| SCIIORD SHS CLASS A | 38 funds | $130.1M |
| SCIIRthis pageSPACS | 33 funds | $2.3M |
| SCIIUUnit | 9 funds | $13.7M |
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 SCIIR
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/SCIIR/capital-change-brief"
Use Arkolith's capital_change_brief for SCIIR. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for SCIIR. Filings are public domain, sourced to SEC EDGAR.