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New Portfolio - New Portfolio

Arthur Amsterdam

New Portfolio
Individual Investor
Ranked #320,079 out of 833,195 TipRanks' Investors
Success Rate
41%
122 out of 300
profitable transactions
Average Return
35.77%
Average return
per transaction
Share this portfolio:

Portfolio Gain

1-Month Return▲ 11.98%
6-Month Return▲ 51.84%
12-Month Return▲ 64.30%
YTD Return▲ 58.42%
Total Return▲ 44.99%

Best Trade

Opened at
Closed at-
Gain▲ 1181.37%

Bio

Performance

15.28%0-15.28%
▲ 11.63%
▲ 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
▼ 3.57%
▲ 0.19%
▼ 10.88%
Nov 2025
▼ 1.96%
▼ 0.12%
▼ 0.12%
Dec 2025
TipRanks AverageS&P 500Investor Portfolio
▲ 11.63%▲ 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%
▼ 3.57%▲ 0.19%▼ 10.88%
▼ 1.96%▼ 0.12%▼ 0.12%

Recent Activity

Company Name
% of Portfolio
Return
No. of Transactions
Last Transaction
Date
Sunnova Energy International
▼ 27.68%
6
Close
Nov 14, 2025
iCAD
▲ 131.79%
10
Close
Jul 16, 2025
Radnet
0%
▲ 33.92%
1
Open
Jul 16, 2025
Serve Robotics Inc
0%
▲ 61.83%
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%
▼ 12.28%
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%
▲ 90.82%
8
Sell
Feb 28, 2024
Lendingtree
0%
▲ 27.62%
6
Sell
Feb 28, 2024
Opendoor Technologies
0%
▲ 104.43%
9
Sell
Feb 28, 2024
PureCycle Technologies
0%
▲ 39.35%
7
Sell
Feb 28, 2024
C3ai
14.47%
▼ 39.63%
7
Buy
Feb 28, 2024
Enphase Energy
0%
▼ 69.46%
6
Sell
Feb 28, 2024
SolarEdge Technologies
0%
▼ 44.24%
8
Sell
Feb 28, 2024
InMode
0%
▼ 20.04%
9
Sell
Feb 28, 2024
Lilium
0%
▼ 98.94%
4
Sell
Feb 28, 2024
Applied Optoelectronics
23.78%
▲ 122.44%
1
Open
Feb 28, 2024
American Coastal Insurance
10.43%
▼ 5.14%
1
Open
Feb 28, 2024