River Street Advisors LLC
Top Portfolio Positions
119 positions ·
$184,867,130 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| OSBC |
Old Second Bancorp Inc
Financial Services
|
746,660 | $15,052,665 | 8.14% | |
| NVDA |
Nvidia Corp
Technology
|
58,061 | $10,125,838 | 5.48% | |
| AAPL |
Apple Inc.
Technology
|
32,178 | $8,166,454 | 4.42% | |
| AVGO |
Broadcom Inc.
Technology
|
22,215 | $6,875,764 | 3.72% | |
| JPM |
Jpmorgan Chase & Co
Financial Services
|
22,477 | $6,611,832 | 3.58% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
22,298 | $6,412,012 | 3.47% | |
| MSFT |
Microsoft Corp
Technology
|
16,492 | $6,104,842 | 3.30% | |
| CAT |
Caterpillar Inc
Industrials
|
8,260 | $5,851,879 | 3.17% | |
| GLW |
Corning Inc /Ny
Technology
|
34,914 | $4,747,255 | 2.57% | |
| LLY |
ELI LILLY & Co
Healthcare
|
4,611 | $4,241,058 | 2.29% |
Portfolio Trend
14 quarters · across all stocks
Holdings in ATMP
Shares Held
Position Value (USD)
9 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $631,251 | 18,345 | Shares | Sole | 2026-04-21 | |
| 2025-12-31 | $527,785 | 18,345 | Shares | Sole | 2026-01-26 | |
| 2025-09-30 | $528,336 | 18,345 | Shares | Sole | 2025-10-22 | |
| 2025-06-30 | $537,875 | 18,345 | Shares | Sole | 2025-07-21 | |
| 2025-03-31 | $562,457 | 18,345 | Shares | Sole | 2025-04-21 | |
| 2024-12-31 | $518,796 | 18,345 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $476,419 | 18,345 | Shares | Sole | 2024-11-06 | |
| 2024-06-30 | $460,459 | 18,345 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $442,664 | 18,345 | Shares | Sole | 2024-04-17 | |
| No 13F history on record for this holder in this stock. | ||||||