Institutional Manager · CIK 0001020585
DUNCKER STREETT & CO INC
St. Louis, MO · File #028-05748
Latest AUM
$562.7M
Positions
534
Top-10 Concentration
47.7%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | ALPHABET INC | GOOG | -13,428 | -$4.2M | +$5.3M |
| REDUCE | NVIDIA CORPORATION | NVDA | -22,466 | -$4.2M | -$9,274 |
| ADD | SELECT SECTOR SPDR TR | 81369Y803 | +25,763 | +$3.7M | -$3.6M |
| ADD | EXXON MOBIL CORP | XOM | +30,786 | +$3.7M | +$480,340 |
| ADD | GOLDMAN SACHS GROUP INC | GSCE | +4,176 | +$3.7M | +$160,881 |
| REDUCE | COPART INC | CPRT | -92,039 | -$3.6M | -$755,553 |
| ADD | MERCK & CO INC | MRK | +33,202 | +$3.5M | +$641,675 |
| REDUCE | BROADCOM INC | AVGO | -9,588 | -$3.3M | +$1.4M |
| ADD | CROWDSTRIKE HLDGS INC | CRWD | +6,123 | +$2.9M | -$87 |
| REDUCE | AXON ENTERPRISE INC | AXON | -4,904 | -$2.8M | -$2.2M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025534 pos · $562.7M
- 13F HOLDINGS REPORTQ/E Sep 2025534 pos · $574.0M
- 13F HOLDINGS REPORTQ/E Jun 2025512 pos · $548.0M
- 13F HOLDINGS REPORTQ/E Mar 2025503 pos · $504.7M
- 13F HOLDINGS REPORTQ/E Dec 2024530 pos · $538.6M
- 13F HOLDINGS REPORTQ/E Sep 2024488 pos · $548.0M
- 13F HOLDINGS REPORTQ/E Jun 2024487 pos · $520.2M
- 13F HOLDINGS REPORTQ/E Mar 2024477 pos · $506.5M
- 13F HOLDINGS REPORTQ/E Dec 2023488 pos · $429.7M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BROADCOM INC | AVGO | 75,073 | $26.0M | 6.54% |
| 2 | APPLE INC | AAPL | 91,370 | $24.8M | 6.26% |
| 3 | MICROSOFT CORP | MSFT | 46,712 | $22.6M | 5.69% |
| 4 | ALPHABET INC | GOOG | 62,270 | $19.5M | 4.91% |
| 5 | MASTERCARD INCORPORATED | MA | 31,082 | $17.7M | 4.47% |
| 6 | NVIDIA CORPORATION | NVDA | 93,765 | $17.5M | 4.40% |
| 7 | ABBVIE INC | ABBV | 72,012 | $16.5M | 4.14% |
| 8 | JPMORGAN CHASE & CO. | VYLD | 49,694 | $16.0M | 4.03% |
| 9 | THERMO FISHER SCIENTIFIC INC | TMO | 24,789 | $14.4M | 3.62% |
| 10 | AMAZON COM INC | AMZN | 61,783 | $14.3M | 3.59% |
| 11 | HEICO CORP NEW | HEI-A | 41,302 | $13.4M | 3.37% |
| 12 | DANAHER CORPORATION | 235851102 | 58,047 | $13.3M | 3.35% |
| 13 | EXXON MOBIL CORP | XOM | 94,078 | $11.3M | 2.85% |
| 14 | SELECT SECTOR SPDR TR | 81369Y803 | 52,102 | $7.5M | 1.89% |
| 15 | PALO ALTO NETWORKS INC | PANW | 40,585 | $7.5M | 1.88% |
| 16 | INTERCONTINENTAL EXCHANGE IN | 45866F104 | 45,013 | $7.3M | 1.84% |
| 17 | QUANTA SVCS INC | 74762E102 | 16,019 | $6.8M | 1.70% |
| 18 | LOWES COS INC | 548661107 | 27,697 | $6.7M | 1.68% |
| 19 | MERCK & CO INC | MRK | 63,287 | $6.7M | 1.68% |
| 20 | OREILLY AUTOMOTIVE INC | 67103H107 | 70,076 | $6.4M | 1.61% |