New Portfolio - New Portfolio

Arthur Amsterdam

New Portfolio
Individual Investor
Ranked #307,333 out of 828,402 TipRanks' Investors
Success Rate
39%
118 out of 300
profitable transactions
Average Return
38.22%
Average return
per transaction
Share this portfolio:

Portfolio Gain

1-Month Return▼ 13.91%
6-Month Return▲ 47.64%
12-Month Return▲ 87.93%
YTD Return▲ 56.40%
Total Return▲ 43.14%

Best Trade

Opened at
Closed at-
Gain▲ 1252.94%

Bio

Performance

15.28%0-15.28%
▲ 0.80%
▼ 0.87%
▲ 5.55%
Apr 2025
▲ 11.64%
▲ 6.28%
▲ 7.02%
May 2025
▲ 9.25%
▲ 5.14%
▲ 9.28%
Jun 2025
▲ 7.60%
▲ 2.30%
▲ 15.28%
Jul 2025
▲ 2.76%
▲ 2.05%
▲ 13.01%
Aug 2025
▲ 12.88%
▲ 3.56%
▲ 15.17%
Sep 2025
▲ 10.96%
▲ 2.38%
▲ 7.46%
Oct 2025
▼ 4.74%
▼ 1.47%
▼ 12.12%
Nov 2025
TipRanks AverageS&P 500Investor Portfolio
▲ 0.80%▼ 0.87%▲ 5.55%
▲ 11.64%▲ 6.28%▲ 7.02%
▲ 9.25%▲ 5.14%▲ 9.28%
▲ 7.60%▲ 2.30%▲ 15.28%
▲ 2.76%▲ 2.05%▲ 13.01%
▲ 12.88%▲ 3.56%▲ 15.17%
▲ 10.96%▲ 2.38%▲ 7.46%
▼ 4.74%▼ 1.47%▼ 12.12%

Recent Activity

Company Name
% of Portfolio
Return
No. of Transactions
Last Transaction
Date
iCAD
▲ 131.79%
10
Close
Jul 16, 2025
Radnet
0%
▲ 28.29%
1
Open
Jul 16, 2025
Serve Robotics Inc
0%
▲ 47.32%
1
Open
May 05, 2025
Verve Therapeutics
▼ 51.16%
5
Close
Apr 15, 2025
Matterport
▲ 154.98%
2
Close
Feb 27, 2025
CoStar Group
0%
▼ 8.49%
1
Open
Feb 27, 2025
SunPower
▼ 99.77%
2
Close
Nov 15, 2024
Ambrx Biopharma
▲ 0.21%
2
Close
Mar 08, 2024
ATAI Life Sciences
0%
▲ 92.53%
8
Sell
Feb 28, 2024
Lendingtree
0%
▲ 22.43%
6
Sell
Feb 28, 2024
Opendoor Technologies
0%
▲ 154.34%
9
Sell
Feb 28, 2024
PureCycle Technologies
0%
▲ 41.56%
7
Sell
Feb 28, 2024
C3ai
14.94%
▼ 41.17%
7
Buy
Feb 28, 2024
Enphase Energy
0%
▼ 73.45%
6
Sell
Feb 28, 2024
SolarEdge Technologies
0%
▼ 38.36%
8
Sell
Feb 28, 2024
InMode
0%
▼ 20.54%
9
Sell
Feb 28, 2024
Lilium
0%
▼ 98.41%
4
Sell
Feb 28, 2024
Applied Optoelectronics
17.27%
▲ 52.45%
1
Open
Feb 28, 2024
American Coastal Insurance
10.13%
▼ 13.04%
1
Open
Feb 28, 2024
EyePoint Pharmaceuticals
4.98%
▼ 58.42%
1
Open
Feb 28, 2024