Surf Air Mobility Inc. (NYSE: SRFM), an SEC filer in Air Transportation, Nonscheduled, closed at $0.72, -1.0%, on 2026-08-28, with a market cap of $73M as of 2026-08-27, a net margin of -103.8% and 3-year sales growth of 73.9%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | Hudson Bay Capital Management LP | 3,510,6383.5M | $4M | 4.56% | NEW† |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2,490,3822.5M | $3M | 3.23% | NEW† |
| 3 | UBS Group AG | 1,022,7081.0M | $1M | 1.33% | ADD 214% |
| 4 | Rathbones Group PLC | 644,652644,652 | $741,348 | 0.84% | — |
| 5 | BlackRock, Inc. | 596,821596,821 | $686,344 | 0.78% | ADD 44% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 562,103562,103 | $646,694 | 0.73% | — |
| 7 | MARSHALL WACE, LLP | 441,959441,959 | $508,253 | 0.57% | NEW |
| 8 | Balefire, LLC | 326,831326,831 | $375,856 | 0.42% | NEW |
| 9 | LPL Financial LLC | 325,532325,532 | $374,362 | 0.42% | ADD 16% |
| 10 | VANGUARD FIDUCIARY TRUST CO | 301,938301,938 | $347,229 | 0.39% | NEW |
† NEW this big is usually a rename.
Ranked by each filer’s own reported value, not shares.
2 holders — The filer reported no value for this line, so it carries no dollar figure and is left out of the percentage and value columns.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| Hudson Bay Capital Management LP | +3,510,638 | $4M | OPEN |
| VANGUARD CAPITAL MANAGEMENT LLC | +2,490,382 | $3M | OPEN |
| UBS Group AG | +697,099 | $801,664 | ADD |
| MARSHALL WACE, LLP | +441,959 | $508,253 | OPEN |
| Balefire, LLC | +326,831 | $375,856 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −2,786,193 | $3M | CLOSE |
| Focus Partners Wealth | −299,159 | $344,033 | TRIM |
| JANE STREET GROUP, LLC | −288,159 | $331,383 | CLOSE |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | −168,765 | $194,080 | CLOSE |
| RAYMOND JAMES FINANCIAL INC | −150,618 | $173,211 | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| Hudson Bay Capital Management LP | — | — | — | — | — | 3.5M | $4M |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 2.5M | $3M |
| UBS Group AG | 3K | 63K | 129K | 447K | 326K | 1.0M | $1M |
| Rathbones Group PLC | 162K | 162K | 162K | 167K | 645K | 645K | $741,348 |
| BlackRock, Inc. | 112K | 112K | 143K | 285K | 416K | 597K | $686,344 |
| GEODE CAPITAL MANAGEMENT, LLC | 93K | 111K | 128K | 271K | 552K | 562K | $646,694 |
| MARSHALL WACE, LLP | 70K | 387K | — | — | — | 442K | $508,253 |
| Balefire, LLC | — | — | — | — | — | 327K | $375,856 |
| LPL Financial LLC | — | — | 149K | 223K | 282K | 326K | $374,362 |
| VANGUARD FIDUCIARY TRUST CO | — | — | — | — | — | 302K | $347,229 |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
