$0.91
+0.03 (+3.21%)
USD · as of 2026-08-19 · marketstack
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | Rosalind Advisors, Inc. | 3,905,7433.9M | $6M | 8.35% | — |
| 2 | Nantahala Capital Management, LLC | 3,376,4843.4M | $6M | 7.21% | — |
| 3 | Aberdeen Group plc | 3,173,3643.2M | $5M | 6.78% | — |
| 4 | ORBIMED ADVISORS LLC | 3,133,4053.1M | $5M | 6.70% | — |
| 5 | Parkman Healthcare Partners LLC | 2,416,5182.4M | $4M | 5.16% | — |
| 6 | Velan Capital Investment Management LP | 2,099,6522.1M | $3M | 4.49% | TRIM -2% |
| 7 | MARSHALL WACE, LLP | 1,860,4051.9M | $3M | 3.98% | — |
| 8 | Soleus Capital Management, L.P. | 1,045,7081.0M | $2M | 2.23% | TRIM -9% |
| 9 | PURA VIDA INVESTMENTS, LLC | 450,517450,517 | $734,343 | 0.96% | — |
| 10 | INGALLS & SNYDER LLC | 379,300379,300 | $618,000 | 0.81% | — |
| 11 | Affiance Financial, LLC | 250,370250,370 | $408,103 | 0.53% | — |
| 12 | ESSEX INVESTMENT MANAGEMENT CO LLC | 114,085114,085 | $185,959 | 0.24% | — |
| 13 | MILLENNIUM MANAGEMENT LLC | 112,423112,423 | $183,249 | 0.24% | TRIM -9% |
| 14 | BlackRock, Inc. | 80,44980,449 | $131,132 | 0.17% | ADD 32% |
| 15 | CITADEL ADVISORS LLC | 65,75065,750 | $107,173 | 0.14% | TRIM -66% |
| 16 | MORGAN STANLEY | 39,83639,836 | $64,933 | 0.09% | TRIM -5% |
| 17 | NORTHERN TRUST CORP | 33,57233,572 | $54,722 | 0.07% | — |
| 18 | COURIER CAPITAL LLC | 30,00030,000 | $48,900 | 0.06% | TRIM -45% |
| 19 | Mesirow Financial Investment Management, Inc. | 30,00030,000 | $48,900 | 0.06% | NEW |
| 20 | Legato Capital Management LLC | 26,85026,850 | $43,765 | 0.06% | — |
| 21 | Centiva Capital, LP | 24,76624,766 | $40,369 | 0.05% | NEW |
| 22 | VESTIA PERSONAL WEALTH ADVISORS | 24,42524,425 | $39,812 | 0.05% | TRIM -42% |
| 23 | Creative Planning | 19,71419,714 | $32,134 | 0.04% | — |
| 24 | GEODE CAPITAL MANAGEMENT, LLC | 18,24418,244 | $29,737 | 0.04% | — |
| 25 | RENAISSANCE TECHNOLOGIES LLC | 17,60917,609 | $28,703 | 0.04% | NEW |
| 26 | Avestar Capital, LLC | 15,00015,000 | $24,450 | 0.03% | — |
| 27 | Pallas Capital Advisors LLC | 13,00013,000 | $21,190 | 0.03% | ADD 18% |
| 28 | XTX Topco Ltd | 12,35812,358 | $20,144 | 0.03% | TRIM -27% |
| 29 | OSAIC HOLDINGS, INC. | 10,45210,452 | $17,036 | 0.02% | ADD 91% |
| 30 | McKinley Carter Wealth Services, Inc. | 10,00010,000 | $16,300 | 0.02% | — |
| 31 | AdvisorNet Financial, Inc | 8,7838,783 | $14,316 | 0.02% | — |
| 32 | UBS Group AG | 2,0982,098 | $3,420 | 0.00% | ADD 6456% |
| 33 | Farther Finance Advisors, LLC | 1,0001,000 | $1,570 | 0.00% | — |
| 34 | SIMPLEX TRADING, LLC | 603603 | $982 | 0.00% | TRIM -81% |
| 35 | ROYAL BANK OF CANADA | 180180 | $0 | 0.00% | — |
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| Mesirow Financial Investment Management, Inc. | +30,000 | $48,900 | OPEN |
| Centiva Capital, LP | +24,766 | $40,369 | OPEN |
| BlackRock, Inc. | +19,554 | $31,873 | ADD |
| RENAISSANCE TECHNOLOGIES LLC | +17,609 | $28,703 | OPEN |
| OSAIC HOLDINGS, INC. | +4,975 | $8,109 | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| CITADEL ADVISORS LLC | −127,960 | $208,575 | TRIM |
| Soleus Capital Management, L.P. | −104,292 | $169,996 | TRIM |
| Velan Capital Investment Management LP | −44,046 | $71,795 | TRIM |
| COMMONWEALTH EQUITY SERVICES, LLC | −32,550 | $53,057 | CLOSE |
| COURIER CAPITAL LLC | −25,000 | $40,750 | 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 |
|---|---|---|---|---|---|---|---|
| Rosalind Advisors, Inc. | 2.5M | 2.3M | 2.3M | 3.9M | 3.9M | 3.9M | $6M |
| Nantahala Capital Management, LLC | 1.7M | 2.3M | 2.3M | 3.4M | 3.4M | 3.4M | $6M |
| Aberdeen Group plc | — | — | — | 2.5M | 3.2M | 3.2M | $5M |
| ORBIMED ADVISORS LLC | 2.1M | 2.1M | 2.1M | 2.1M | 3.1M | 3.1M | $5M |
| Parkman Healthcare Partners LLC | 855K | 1.2M | 1.2M | 2.4M | 2.4M | 2.4M | $4M |
| Velan Capital Investment Management LP | 904K | 904K | 904K | 2.1M | 2.1M | 2.1M | $3M |
| MARSHALL WACE, LLP | 1.9M | 1.9M | 1.9M | 1.9M | 1.9M | 1.9M | $3M |
| Soleus Capital Management, L.P. | 1.4M | 945K | 1.9M | 1.5M | 1.1M | 1.0M | $2M |
| PURA VIDA INVESTMENTS, LLC | 451K | 451K | 451K | 451K | 451K | 451K | $734,343 |
| INGALLS & SNYDER LLC | — | — | — | 225K | 384K | 379K | $618,000 |
| Affiance Financial, LLC | 189K | 189K | 189K | 250K | 250K | 250K | $408,103 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 73K | 73K | — | — | 114K | 114K | $185,959 |
| MILLENNIUM MANAGEMENT LLC | 331K | 17K | 17K | 147K | 124K | 112K | $183,249 |
| BlackRock, Inc. | — | — | 37K | 54K | 61K | 80K | $131,132 |
| CITADEL ADVISORS LLC | — | — | 26K | 38K | 194K | 66K | $107,173 |
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.