% of shares outstanding is not shown for ARCM: this is a fund line, and we hold no cover-page share count for it at any quarter — a fund's shares outstanding move with creations and redemptions rather than with issuance and buybacks, and it is not the SEC cover-page count this percentage is defined against. The figure is withheld rather than computed against a count that does not exist. Holder share counts are shown as filed.
Crowding percentile withheld — no market cap for ARCM in the served universe — the cohort is size-matched, and an unmatched percentile would compare a micro-cap register to a mega-cap one.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | Arrow Investment Advisors, LLC | 409,003409,003 | $41M | — | — |
| 2 | JANE STREET GROUP, LLC | 27,57327,573 | $3M | — | TRIM -17% |
| 3 | CITADEL ADVISORS LLC | 21,98521,985 | $2M | — | TRIM -9% |
| 4 | Axim Planning & Wealth | 16,02016,020 | $2M | — | ADD 69% |
| 5 | LPL Financial LLC | 6,7876,787 | $679,124 | — | TRIM -9% |
| 6 | Compound Planning, Inc. | 3,6623,662 | $366,473 | — | NEW |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2,4322,432 | $243,352 | — | NEW |
| 8 | MORGAN STANLEY | 11 | $154 | — | — |
Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| Arrow Investment Advisors, LLC | 409K | 409K | 409K | 409K | 409K | 409K | $41M |
| JANE STREET GROUP, LLC | 29K | 11K | — | — | 33K | 28K | $3M |
| CITADEL ADVISORS LLC | 7K | 21K | 14K | 6K | 24K | 22K | $2M |
| Axim Planning & Wealth | — | — | 15K | 21K | 9K | 16K | $2M |
| LPL Financial LLC | — | — | — | — | 7K | 7K | $679,124 |
| Compound Planning, Inc. | — | — | — | — | — | 4K | $366,473 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | — | — | — | — | — | 2K | $243,352 |
| MORGAN STANLEY | 2 | — | 1 | 1 | 1 | 1 | $154 |
Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.
Holder count only — too few computable %-of-shares-outstanding quarters for a % pane. Line breaks are quarters with no 13F record, never interpolated.
Short interest has its own tab now — open SI →
Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| Axim Planning & Wealth | +6,527 | $653,111 | ADD |
| Compound Planning, Inc. | +3,662 | $366,431 | OPEN |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | +2,432 | $243,353 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| JANE STREET GROUP, LLC | −5,539 | $554,249 | TRIM |
| CITADEL ADVISORS LLC | −2,082 | $208,331 | TRIM |
| UBS Group AG | −865 | $86,554 | CLOSE |
| LPL Financial LLC | −702 | $70,244 | TRIM |
The 2025-Q4 register is as-filed in ITS OWN share basis; every count below was rebased into the 2026-Q1 basis (no split in between, factor 1). Dollar figures value the SHARE delta at one price — the 2026-03-31 close — rather than differencing two filings' own reported values, which would mix the quarter's price move into the trade figure.
13Fs disclose LONG US-listed positions only — shorts, most derivatives, bonds and non-US listings are invisible here, and a filer's quarter-over-quarter change is not necessarily a trade (index rebalances, in-kind transfers and entity successions all read as flow).
| Quarter | Holders | Shares held | % shares out | Value held |
|---|---|---|---|---|
| 2026-Q1 | 8 | 487,463 | — | $49M |
| 2025-Q4 | 7 | 484,030 | — | $48M |
| 2025-Q3 | 4 | 435,933 | — | $44M |
| 2025-Q2 | 4 | 437,217 | — | $44M |
| 2025-Q1 | 4 | 440,943 | — | $44M |
| 2024-Q4 | 5 | 445,103 | — | $45M |
| 2024-Q3 | 4 | 453,971 | — | $46M |
| 2024-Q2 | 3 | 455,452 | — | $46M |
| 2024-Q1 | 4 | 456,881 | — | $46M |
| 2023-Q4 | 5 | 463,318 | — | $46M |
| 2023-Q3 | 3 | 506,308 | — | $50M |
| 2023-Q2 | 3 | 456,083 | — | $45M |
| 2023-Q1 | 2 | 432,085 | — | $43M |
| 2022-Q4 | 4 | 456,801 | — | $46M |
| 2022-Q3 | 3 | 458,037 | — | $45M |
| 2022-Q2 | 4 | 458,494 | — | $45M |
| 2022-Q1 | 3 | 458,602 | — | $46M |
| 2021-Q4 | 3 | 458,046 | — | $46M |
| 2021-Q3 | 3 | 512,652 | — | $51M |
| 2021-Q2 | 4 | 481,608 | — | $48M |
| 2021-Q1 | 5 | 483,513 | — | $48M |
| 2020-Q4 | 4 | 483,538 | — | $48M |
| 2020-Q3 | 5 | 483,880 | — | $49M |
| 2020-Q2 | 3 | 488,572 | — | $49M |
| 2020-Q1 | 4 | 487,644 | — | $49M |
| 2019-Q4 | 6 | 533,702 | — | $53M |
| 2019-Q3 | 5 | 63,541 | — | $54M |
| 2019-Q2 | 4 | 572,280 | — | $57M |
| 2019-Q1 | 5 | 537,358 | — | $46M |
| 2018-Q4 | 6 | 701,306 | — | $70M |
| 2018-Q3 | 2 | 718,786 | — | $72M |
| 2018-Q2 | 2 | 728,786 | — | $73M |
| 2018-Q1 | 3 | 728,980 | — | $73M |
| 2017-Q4 | 2 | 586,786 | — | $59M |
