HAUPPAUGE, NY
AMPLITECH GROUP, INC.AMPG— Latest position per institution from SEC 13F filings
15
Institutional holders
12.26M
Total shares held
30.31M
Estimated value
612.86K
Avg. position size
SYMBIOSIS CAPITAL PARTNERS, LLC
CIK 2006045
Shares
2.56M
Value
13.23M
Filed
Dec 31, 2025
BARD ASSOCIATES INC
CIK 1105907
Shares
1.60M
Value
3.03M
Filed
Mar 31, 2026
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 1081698
Shares
1.23M
Value
86.10K
Filed
Mar 31, 2026
AIGH CAPITAL MANAGEMENT LLC
CIK 1835943
Shares
905.45K
Value
1.92M
Filed
Jun 30, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
805.44K
Value
1.53M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
768.05K
Value
2.30M
Filed
Dec 31, 2025
CREEK DRIVE MANAGEMENT GROUP LLC
CIK 2111824
Shares
735.50K
Value
1.40M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
717.60K
Value
1.36M
Filed
Mar 31, 2026
CABLE CAR CAPITAL, LP
CIK 1699575
Shares
530.89K
Value
1.01M
Filed
Mar 31, 2026
INTEGRATED WEALTH CONCEPTS LLC
CIK 1737109
Shares
424.81K
Value
807.14K
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
372.60K
Value
707.94K
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
256.86K
Value
488.03K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
242.73K
Value
461.33K
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
215.55K
Value
409.54K
Filed
Mar 31, 2026
WARBERG ASSET MANAGEMENT LLC
CIK 1597506
Shares
200.12K
Value
18.75K
Filed
Mar 31, 2026
INFORMED MOMENTUM CO LLC
CIK 1510989
Shares
174.68K
Value
522.29K
Filed
Dec 31, 2025
PEKIN HARDY STRAUSS, INC.
CIK 1020317
Shares
160.80K
Value
305.52K
Filed
Mar 31, 2026
SABBY MANAGEMENT, LLC
CIK 1535610
Shares
135.48K
Value
287.22K
Filed
Dec 31, 2022
AMH EQUITY LTD
CIK 1600535
Shares
117.25K
Value
216.91K
Filed
Mar 31, 2024
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
111.26K
Value
211.39K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | SYMBIOSIS CAPITAL PARTNERS, LLC | 2006045 | 2.56M | 13.23M | Dec 31, 2025 |
| 2 | BARD ASSOCIATES INC | 1105907 | 1.60M | 3.03M | Mar 31, 2026 |
| 3 | HEIGHTS CAPITAL MANAGEMENT, INC | 1081698 | 1.23M | 86.10K | Mar 31, 2026 |
| 4 | AIGH CAPITAL MANAGEMENT LLC | 1835943 | 905.45K | 1.92M | Jun 30, 2025 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 805.44K | 1.53M | Mar 31, 2026 |
| 6 | VANGUARD GROUP INC | 102909 | 768.05K | 2.30M | Dec 31, 2025 |
| 7 | CREEK DRIVE MANAGEMENT GROUP LLC | 2111824 | 735.50K | 1.40M | Mar 31, 2026 |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 717.60K | 1.36M | Mar 31, 2026 |
| 9 | CABLE CAR CAPITAL, LP | 1699575 | 530.89K | 1.01M | Mar 31, 2026 |
| 10 | INTEGRATED WEALTH CONCEPTS LLC | 1737109 | 424.81K | 807.14K | Mar 31, 2026 |
| 11 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 372.60K | 707.94K | Mar 31, 2026 |
| 12 | CITADEL ADVISORS LLC | 1423053 | 256.86K | 488.03K | Mar 31, 2026 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 242.73K | 461.33K | Mar 31, 2026 |
| 14 | DIMENSIONAL FUND ADVISORS LP | 354204 | 215.55K | 409.54K | Mar 31, 2026 |
| 15 | WARBERG ASSET MANAGEMENT LLC | 1597506 | 200.12K | 18.75K | Mar 31, 2026 |
| 16 | INFORMED MOMENTUM CO LLC | 1510989 | 174.68K | 522.29K | Dec 31, 2025 |
| 17 | PEKIN HARDY STRAUSS, INC. | 1020317 | 160.80K | 305.52K | Mar 31, 2026 |
| 18 | SABBY MANAGEMENT, LLC | 1535610 | 135.48K | 287.22K | Dec 31, 2022 |
| 19 | AMH EQUITY LTD | 1600535 | 117.25K | 216.91K | Mar 31, 2024 |
| 20 | VANGUARD FIDUCIARY TRUST CO | 933478 | 111.26K | 211.39K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.