Institutional Manager · CIK 0000822581
OPPENHEIMER & CO INC
NEW YORK, NY · File #028-04046
Latest AUM
$7.04B
Positions
1,523
Top-10 Concentration
48.1%
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 |
|---|---|---|---|---|---|
| EXITED | APPLE INC | 037833100 | -1,121,589 | -$285.6M | $0 |
| EXITED | AMAZON COM INC | 023135106 | -707,847 | -$155.4M | $0 |
| EXITED | BERKSHIRE HATHAWAY INC DEL | 084670702 | -199,999 | -$100.5M | $0 |
| EXITED | INVESCO QQQ TR | 46090E103 | -137,808 | -$82.7M | $0 |
| REDUCE | SERVICETITAN INC | TTAN | -503,668 | -$53.6M | +$4.1M |
| EXITED | QUANTA SVCS INC | 74762E102 | -104,521 | -$43.3M | $0 |
| EXITED | AMGEN INC | 031162100 | -113,123 | -$31.9M | $0 |
| EXITED | RTX CORPORATION | 75513E101 | -171,209 | -$28.6M | $0 |
| ADD | NETFLIX INC | NFLX | +286,562 | +$26.9M | -$36.7M |
| EXITED | BANK AMERICA CORP | 060505104 | -502,586 | -$25.9M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20251,523 pos · $7.04B
- 13F HOLDINGS REPORTQ/E Sep 20251,646 pos · $8.20B
- 13F HOLDINGS REPORTQ/E Jun 20251,603 pos · $7.56B
- 13F HOLDINGS REPORTQ/E Mar 20251,564 pos · $6.62B
- 13F HOLDINGS REPORTQ/E Dec 20241,548 pos · $6.70B
- 13F HOLDINGS REPORTQ/E Sep 20241,506 pos · $6.56B
- 13F HOLDINGS REPORTQ/E Jun 20241,430 pos · $6.30B
- 13F HOLDINGS REPORTQ/E Mar 20241,436 pos · $6.03B
- 13F HOLDINGS REPORTQ/E Dec 20231,375 pos · $4.84B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 700,036 | $338.6M | 11.48% |
| 2 | NVIDIA CORPORATION | NVDA | 1,185,117 | $221.0M | 7.49% |
| 3 | ALPHABET INC | GOOG | 453,325 | $141.9M | 4.81% |
| 4 | ALPHABET INC | GOOG | 426,710 | $133.9M | 4.54% |
| 5 | JPMORGAN CHASE & CO. | VYLD | 388,517 | $125.2M | 4.24% |
| 6 | META PLATFORMS INC | META | 184,222 | $121.6M | 4.12% |
| 7 | BROADCOM INC | AVGO | 296,054 | $102.5M | 3.47% |
| 8 | SPDR S&P 500 ETF TR | SPY | 120,186 | $82.0M | 2.78% |
| 9 | COSTCO WHSL CORP NEW | 22160K105 | 90,791 | $78.3M | 2.65% |
| 10 | ELI LILLY & CO | LLY | 69,367 | $74.5M | 2.53% |
| 11 | ISHARES TR | 464287614 | 155,569 | $73.6M | 2.50% |
| 12 | ISHARES TR | 464287200 | 105,634 | $72.4M | 2.45% |
| 13 | TESLA INC | TSLA | 146,889 | $66.1M | 2.24% |
| 14 | VISA INC | V | 175,456 | $61.5M | 2.09% |
| 15 | GOLDMAN SACHS GROUP INC | GSCE | 66,231 | $58.2M | 1.97% |
| 16 | VANGUARD INDEX FDS | 922908363 | 92,739 | $58.2M | 1.97% |
| 17 | PALANTIR TECHNOLOGIES INC | PLTR | 299,153 | $53.2M | 1.80% |
| 18 | WALMART INC | WMT | 452,572 | $50.4M | 1.71% |
| 19 | HOME DEPOT INC | HD | 139,824 | $48.1M | 1.63% |
| 20 | ISHARES TR | 464287507 | 659,305 | $43.5M | 1.48% |