ARCI — Archimedes Tech SPAC Partners III Co.Today's name, from the SEC's present-day ticker list — a present-day mapping, not the name as of each filing.
- Congress trades
- 2
- all time
- Members · 12m
- 0
- 0 buys · 0 sells · by trade date
- Latest filing
- 08-06
- 2018-08-06
- Rows filed past the STOCK Act's 45-day window, stated on the row, never editorialised; both dates and the receipt stay on every row.
- 2
- 13F holders
- 47
- all listed · 2026-03-31
Congress: statutory ranges, filed up to 45 days after the trade · 13F: quarter-end snapshots, filed up to 45 days lateras of 2026-10-29
Congress · disclosure timeline
By trade date · 24 months · 0 rows ▲ buy, ▼ sell; height = lower bound (log scale). Trade date, not filing date — the filing lag is in the table below.No dated ARCI rows fall inside the trailing 24 months by trade date.
Members active in ARCI
12 months · most active first Rows = number of disclosures, not dollars. Net = lower bound of the net range. Committees as of each member's latest trade in the window (roster snapshot 2026-10-29).No member disclosed ARCI in the trailing 12 months.
| Filed | Member | Side · Owner | Traded · Lag | Amount | Range · Flags | Src |
|---|---|---|---|---|---|---|
| 2018-08-06 | Roger Marshall R–KS | SELL DC (dependent-child-owned) | Traded 2017-08-21 LATE·350d | $1K–$15K | ||
| 2018-08-06 | Roger Marshall R–KS | BUY DC (dependent-child-owned) | Traded 2017-08-21 LATE·350d | $1K–$15K |
13F holders · Quarter ended 2026-03-31Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt. · longs only
| # | Filer | Value | Securities | Flags | derived by Public Filings from this build's reviewed ticker-mapping holders list for this share class; that list carries each holder's share count, share change and filed date, which this table does not show, but no document links — the EDGAR link opens the filer's 13F list·§ |
|---|---|---|---|---|---|
| 1 | TENOR CAPITAL MANAGEMENT Co., L.P. | $15.6M | 1 | derived ·§ EDGAR ↗ | |
| 2 | Magnetar Financial LLC | $13.6M | 1 | derived ·§ EDGAR ↗ | |
| 3 | D. E. Shaw & Co., Inc. | $11.9M | 1 | derived ·§ EDGAR ↗ | |
| 4 | AQR Arbitrage LLC | $9.6M | 1 | derived ·§ EDGAR ↗ | |
| 5 | Westchester Capital Management, LLC | $9.4M | 1 | derived ·§ EDGAR ↗ | |
| 6 | LMR Partners LLP | $8.8M | 1 | derived ·§ EDGAR ↗ | |
| 7 | Ghisallo Capital Management LLC | $8.3M | 1 | derived ·§ EDGAR ↗ | |
| 8 | Governors Lane LP | $7.9M | 1 | derived ·§ EDGAR ↗ | |
| 9 | Alberta Investment Management Corp | $7.8M | 1 | derived ·§ EDGAR ↗ | |
| 10 | TWO SIGMA INVESTMENTS, LP | $7.5M | 1 | derived ·§ EDGAR ↗ | |
| 11 | Hudson Bay Capital Management LP | $7.3M | 1 | derived ·§ EDGAR ↗ | |
| 12 | Jain Global LLC | $5.2M | 1 | derived ·§ EDGAR ↗ | |
| 13 | PICTON MAHONEY ASSET MANAGEMENT | $5.2M | 1 | derived ·§ EDGAR ↗ | |
| 14 | MOORE CAPITAL MANAGEMENT, LP | $4.7M | 1 | derived ·§ EDGAR ↗ | |
| 15 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $4.5M | 1 | derived ·§ EDGAR ↗ | |
| 16 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $4.2M | 1 | derived ·§ EDGAR ↗ | |
| 17 | J. Goldman & Co LP | $3.8M | 1 | derived ·§ EDGAR ↗ | |
| 18 | PERISCOPE CAPITAL INC. | $3.7M | 1 | derived ·§ EDGAR ↗ | |
| 19 | MILLENNIUM MANAGEMENT LLC | $3.2M | 1 | derived ·§ EDGAR ↗ | |
| 20 | Centiva Capital, LP | $3.0M | 1 | derived ·§ EDGAR ↗ | |
| 21 | Quarry LP | $3.0M | 1 | derived ·§ EDGAR ↗ | |
| 22 | Shaolin Capital Management LLC | $2.8M | 1 | derived ·§ EDGAR ↗ | |
| 23 | WHITEBOX ADVISORS LLC | $2.6M | 1 | derived ·§ EDGAR ↗ | |
| 24 | Verition Fund Management LLC | $2.4M | 1 | derived ·§ EDGAR ↗ | |
| 25 | BERKLEY W R CORP | $2.2M | 1 | derived ·§ EDGAR ↗ |
Show all 47 holders
| # | Filer | Value | Securities | Flags | Src·§ |
|---|
All 43 13F filers reporting this share class are listed. Method ↗
Crowding — not available in this build. No holder rows for the selected period, so no percentile can be ranked.
Congress ↔ notable managers · ARCI
Congress · last 90 days
- Buyers
- 0 — —
- Sellers
- 0 — —
filed 2026-07-31 → 2026-10-29 · statutory ranges
Notable managers · quarter ended 2026-03-31
- Adding
- 0 — $0 held
- Trimming
- 0 — $0 held
by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · ARCHIMEDES TECH SPAC PARTNER
No moves on either side in the window.
Congress vs filers
12 monthsCongress net (rows)no rows
Congress net ($ bound)$0
Filersnot computedThe filer side needs per-issuer quarter-over-quarter actions, which the published aggregate does not carry for this issuer. Convergence and divergence are stated only when both sides are computed.