BOSTON, MA
MYOMO, INC.MYO— Latest position per institution from SEC 13F filings
15
Institutional holders
21.74M
Total shares held
41.60M
Estimated value
1.09M
Avg. position size
ROSALIND ADVISORS, INC.
CIK 1622627
Shares
3.64M
Value
3.78M
Filed
Jun 30, 2026
AIGH CAPITAL MANAGEMENT LLC
CIK 1835943
Shares
3.56M
Value
7.68M
Filed
Jun 30, 2025
HERR INVESTMENT GROUP LLC
CIK 1922235
Shares
2.85M
Value
9.14M
Filed
Jun 30, 2024
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.64M
Value
1.70M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
1.56M
Value
1.42M
Filed
Dec 31, 2025
WORTH VENTURE PARTNERS, LLC
CIK 1696778
Shares
1.40M
Value
7M
Filed
Dec 31, 2023
AQR CAPITAL MANAGEMENT LLC
CIK 1167557
Shares
928.27K
Value
965.40K
Filed
Jun 30, 2026
JOURNEY ADVISORY GROUP, LLC
CIK 1840085
Shares
875.84K
Value
1.89M
Filed
Jun 30, 2025
SOLEUS CAPITAL MANAGEMENT, L.P.
CIK 1802630
Shares
704.27K
Value
628.21K
Filed
Sep 30, 2025
JEFFERIES FINANCIAL GROUP INC.
CIK 96223
Shares
704.27K
Value
732.45K
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
681.35K
Value
708.61K
Filed
Jun 30, 2026
STONEPINE CAPITAL MANAGEMENT, LLC
CIK 1440771
Shares
457.42K
Value
988.02K
Filed
Jun 30, 2025
CLEARSTEAD ADVISORS, LLC
CIK 842775
Shares
425.61K
Value
442.63K
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
413.68K
Value
430.23K
Filed
Jun 30, 2026
PORTOLAN CAPITAL MANAGEMENT, LLC
CIK 1350290
Shares
379.82K
Value
2.45M
Filed
Dec 31, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
344.42K
Value
358.31K
Filed
Jun 30, 2026
LPL FINANCIAL LLC
CIK 1403438
Shares
308K
Value
320.32K
Filed
Jun 30, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
304.40K
Value
657.50K
Filed
Jun 30, 2025
PALUMBO WEALTH MANAGEMENT LLC
CIK 1846310
Shares
299.78K
Value
311.77K
Filed
Jun 30, 2026
THOMPSON SIEGEL & WALMSLEY LLC
CIK 1008322
Shares
285.65K
Value
617.00
Filed
Jun 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | ROSALIND ADVISORS, INC. | 1622627 | 3.64M | 3.78M | Jun 30, 2026 |
| 2 | AIGH CAPITAL MANAGEMENT LLC | 1835943 | 3.56M | 7.68M | Jun 30, 2025 |
| 3 | HERR INVESTMENT GROUP LLC | 1922235 | 2.85M | 9.14M | Jun 30, 2024 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.64M | 1.70M | Jun 30, 2026 |
| 5 | VANGUARD GROUP INC | 102909 | 1.56M | 1.42M | Dec 31, 2025 |
| 6 | WORTH VENTURE PARTNERS, LLC | 1696778 | 1.40M | 7M | Dec 31, 2023 |
| 7 | AQR CAPITAL MANAGEMENT LLC | 1167557 | 928.27K | 965.40K | Jun 30, 2026 |
| 8 | JOURNEY ADVISORY GROUP, LLC | 1840085 | 875.84K | 1.89M | Jun 30, 2025 |
| 9 | SOLEUS CAPITAL MANAGEMENT, L.P. | 1802630 | 704.27K | 628.21K | Sep 30, 2025 |
| 10 | JEFFERIES FINANCIAL GROUP INC. | 96223 | 704.27K | 732.45K | Jun 30, 2026 |
| 11 | JANE STREET GROUP, LLC | 1595888 | 681.35K | 708.61K | Jun 30, 2026 |
| 12 | STONEPINE CAPITAL MANAGEMENT, LLC | 1440771 | 457.42K | 988.02K | Jun 30, 2025 |
| 13 | CLEARSTEAD ADVISORS, LLC | 842775 | 425.61K | 442.63K | Jun 30, 2026 |
| 14 | UBS GROUP AG | 1610520 | 413.68K | 430.23K | Jun 30, 2026 |
| 15 | PORTOLAN CAPITAL MANAGEMENT, LLC | 1350290 | 379.82K | 2.45M | Dec 31, 2024 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 344.42K | 358.31K | Jun 30, 2026 |
| 17 | LPL FINANCIAL LLC | 1403438 | 308K | 320.32K | Jun 30, 2026 |
| 18 | MARSHALL WACE, LLP | 1318757 | 304.40K | 657.50K | Jun 30, 2025 |
| 19 | PALUMBO WEALTH MANAGEMENT LLC | 1846310 | 299.78K | 311.77K | Jun 30, 2026 |
| 20 | THOMPSON SIEGEL & WALMSLEY LLC | 1008322 | 285.65K | 617.00 | Jun 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.