OPPENHEIMER & CO INC
Q3 2026 Form 13-F
NEW YORK, NEW YORK
CIK 0000822581
· CRD 249
· SEC-registered investment adviser
$9.5B Reported Value Total
OPPENHEIMER & CO. INC. reports 39,036 total accounts under management (AUM). There are 20,471 discretionary accounts valued at $14,233,267,307, and 18,565 non-discretionary accounts valued at $22,477,438,441.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Private funds (Form ADV)
1 fund
· $15.8M gross asset value
Hedge Fund: $15.8M
Source: Form ADV filed 2026-09-30
Reported value
$9.5B
Quarter over quarter
-0.2%
Holdings
1,752
Top-10 concentration
21.6%
Filing Structure
Key People
Form ADV owners & control persons
Albert Grinsfelder Lowenthal
OWNS 100%
Thomas Edward Cassidy
MANAGING DIRECTOR/DIRECTOR
Peter John Giordano
MANAGING DIRECTOR-CHIEF ADMINISTRATIVE OFFICER
Filing Navigation
Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
13F Metrics
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Q3 2026 13F record
Q3 2026 13F filing summary
| Period of report | September 30, 2026 |
|---|---|
| Filed | October 26, 2026 |
| Form | 13F-HR |
| Reported value | $9.5B |
| Positions | 1,752 |
| Change in reported value | +1.6% |
| New positions | 134 |
| Exited positions | 141 |
| Position turnover | 14.5% |
| Top-10 concentration | 21.6% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Oct 26, 2026
|
1,752 | $9.5B |
|
Q2 2026 13F
Filed Aug 3, 2026
|
1,759 | $9.4B |
|
Q1 2026 13F
Filed Apr 24, 2026
|
1,683 | $8.2B |
|
Q4 2025 13F
Filed Feb 2, 2026
|
1,523 | $7.0B |
|
Q3 2025 13F
Filed Nov 6, 2025
|
1,646 | $8.2B |
|
Q2 2025 13F
Filed Jul 31, 2025
|
1,603 | $7.6B |
|
Q1 2025 13F
Filed Apr 23, 2025
|
1,564 | $6.6B |
|
Q4 2024 13F
Filed Feb 5, 2025
|
1,548 | $6.7B |
|
Q3 2024 13F
Filed Nov 5, 2024
|
1,506 | $6.6B |
|
Q2 2024 13F
Filed Aug 8, 2024
|
1,430 | $6.3B |
|
Q1 2024 13F
Filed May 7, 2024
|
1,436 | $6.0B |
|
Q4 2023 13F
Filed Feb 13, 2024
|
1,383 | $5.4B |
|
Q3 2023 13F
Filed Nov 8, 2023
|
1,375 | $4.8B |
|
Q2 2023 13F
Filed Aug 3, 2023
|
1,411 | $5.0B |
|
Q1 2023 13F
Filed May 10, 2023
|
1,378 | $4.7B |
|
Q4 2022 13F
Filed Feb 8, 2023
|
1,348 | $4.4B |
|
Q3 2022 13F
Filed Nov 14, 2022
|
1,360 | $4.3B |
|
Q2 2022 13F
Filed Aug 8, 2022
|
1,403 | $4.6B |
|
Q1 2022 13F
Filed May 12, 2022
|
1,463 | $5.5B |
|
Q4 2021 13F
Filed Feb 2, 2022
|
1,485 | $5.7B |
34 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q3 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | MSFT MICROSOFT CORP | $378.2M | 3.98% |
| 2 | AAPL APPLE INC | $365.0M | 3.84% |
| 3 | NVDA NVIDIA CORPORATION | $293.1M | 3.08% |
| 4 | AMZN AMAZON COM INC | $209.9M | 2.21% |
| 5 | GOOGL ALPHABET INC | $164.8M | 1.73% |
| 6 | GOOG ALPHABET INC | $161.3M | 1.7% |
| 7 | JPM JPMORGAN CHASE & CO | $139.1M | 1.46% |
| 8 | META META PLATFORMS INC | $128.6M | 1.35% |
| 9 | AVGO BROADCOM INC | $110.0M | 1.16% |
| 10 | SPY STATE STR SPDR S&P 500 ETF T | $108.4M | 1.14% |
| 11 | BRK-B BERKSHIRE HATHAWAY INC DEL | $108.3M | 1.14% |
| 12 | LLY ELI LILLY & CO | $100.6M | 1.06% |
| 13 | QQQ INVESCO QQQ TR | $99.3M | 1.04% |
| 14 | COST COSTCO WHOLESALE CORPORATION | $86.6M | 0.91% |
| 15 | IVV ISHARES TR | $79.9M | 0.84% |
| 16 | VOO VANGUARD INDEX FDS | $79.5M | 0.84% |
| 17 | MRVL MARVELL TECHNOLOGY INC | $76.4M | 0.8% |
| 18 | IWF ISHARES TR | $71.5M | 0.75% |
| 19 | AMD ADVANCED MICRO DEVICES INC | $69.7M | 0.73% |
| 20 | V VISA INC | $68.6M | 0.72% |
Values as reported on the Q3 2026 Form 13F. Every position is in the holdings table below.