Filed: 10/26/2026ACC: 0000822581-26-000004
📋 What this filing means
OPPENHEIMER & CO INC filed this quarterly 13F‑HR report disclosing 1752 equity positions with a total reported market value of $9.51B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
1752
Positions
$9.51B
Total AUM (reported)
103.50M
Total Shares
Allocation by class
COM$4.86B51.1%
CL A$359.75M3.8%
COM NEW$214.90M2.3%
CAP STK CL A$164.83M1.7%
COM CL A$164.79M1.7%
CAP STK CL C$161.34M1.7%
SHS$140.57M1.5%
Portfolio Concentration
Top 3$1.04B10.9%
4–10$1.02B10.7%
11–25$1.14B12.0%
Rest$6.31B66.4%
Top 3 weight
10.9%
Top 10 weight
21.6%
Voting Authority Distribution
Total shares with voting rights: 103.50M
Sole
Full voting authority
103.46M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
43.19K
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole1752
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings1752
Rows:
MICROSOFT CORP
SOLEShares737.32K
TypeSH
Market value$378.17M
3.98%
Sole
737.24K
Shared
0.00
None
75.00
APPLE INC
SOLEShares1.10M
TypeSH
Market value$365.02M
3.84%
Sole
1.10M
Shared
0.00
None
0.00
NVIDIA CORPORATION
SOLEShares1.28M
TypeSH
Market value$293.09M
3.08%
Sole
1.28M
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares842.62K
TypeSH
Market value$209.94M
2.21%
Sole
842.43K
Shared
0.00
None
190.00
ALPHABET INC
SOLEShares479.04K
TypeSH
Market value$164.83M
1.73%
Sole
479.04K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares473.49K
TypeSH
Market value$161.34M
1.70%
Sole
473.49K
Shared
0.00
None
0.00
JPMORGAN CHASE & CO
SOLEShares420.58K
TypeSH
Market value$139.14M
1.46%
Sole
420.58K
Shared
0.00
None
0.00
META PLATFORMS INC
SOLEShares177.39K
TypeSH
Market value$128.64M
1.35%
Sole
177.39K
Shared
0.00
None
0.00
BROADCOM INC
SOLEShares313.20K
TypeSH
Market value$109.99M
1.16%
Sole
313.20K
Shared
0.00
None
0.00
STATE STR SPDR S&P 500 ETF T
SOLEShares142.10K
TypeSH
Market value$108.37M
1.14%
Sole
142.10K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares217.47K
TypeSH
Market value$108.29M
1.14%
Sole
217.47K
Shared
0.00
None
0.00
ELI LILLY & CO
SOLEShares86.95K
TypeSH
Market value$100.61M
1.06%
Sole
86.95K
Shared
0.00
None
0.00
INVESCO QQQ TR
SOLEShares134.22K
TypeSH
Market value$99.29M
1.04%
Sole
134.22K
Shared
0.00
None
0.00
COSTCO WHOLESALE CORPORATION
SOLEShares95.12K
TypeSH
Market value$86.59M
0.91%
Sole
95.12K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares104.31K
TypeSH
Market value$79.89M
0.84%
Sole
104.31K
Shared
0.00
None
0.00
VANGUARD INDEX FDS
SOLEShares113.46K
TypeSH
Market value$79.52M
0.84%
Sole
113.46K
Shared
0.00
None
0.00
MARVELL TECHNOLOGY INC
SOLEShares289.21K
TypeSH
Market value$76.41M
0.80%
Sole
288.71K
Shared
0.00
None
498.00
ISHARES TR
SOLEShares570.87K
TypeSH
Market value$71.51M
0.75%
Sole
570.87K
Shared
0.00
None
0.00
ADVANCED MICRO DEVICES INC
SOLEShares113.89K
TypeSH
Market value$69.67M
0.73%
Sole
113.62K
Shared
0.00
None
275.00
VISA INC
SOLEShares190.98K
TypeSH
Market value$68.62M
0.72%
Sole
190.98K
Shared
0.00
None
0.00
TESLA INC
SOLEShares178.34K
TypeSH
Market value$63.28M
0.67%
Sole
178.34K
Shared
0.00
None
0.00
QUANTA SVCS INC
SOLEShares95.48K
TypeSH
Market value$61.35M
0.64%
Sole
95.48K
Shared
0.00
None
0.00
TAIWAN SEMICONDUCTOR MANUFAC
SOLEShares133.58K
TypeSH
Market value$60.94M
0.64%
Sole
133.58K
Shared
0.00
None
0.00
MICRON TECHNOLOGY INC
SOLEShares54.60K
TypeSH
Market value$58.15M
0.61%
Sole
54.60K
Shared
0.00
None
0.00
GOLDMAN SACHS GROUP INC
SOLEShares61.94K
TypeSH
Market value$55.77M
0.59%
Sole
61.94K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICROSOFT CORPSOLE | COM | 737.32K | SH | $378.17M 3.98% | 737.24K | 0.00 | 75.00 |
APPLE INCSOLE | COM | 1.10M | SH | $365.02M 3.84% | 1.10M | 0.00 | 0.00 |
NVIDIA CORPORATIONSOLE | COM | 1.28M | SH | $293.09M 3.08% | 1.28M | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 842.62K | SH | $209.94M 2.21% | 842.43K | 0.00 | 190.00 |
ALPHABET INCSOLE | CAP STK CL A | 479.04K | SH | $164.83M 1.73% | 479.04K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 473.49K | SH | $161.34M 1.70% | 473.49K | 0.00 | 0.00 |
JPMORGAN CHASE & COSOLE | COM | 420.58K | SH | $139.14M 1.46% | 420.58K | 0.00 | 0.00 |
META PLATFORMS INCSOLE | CL A | 177.39K | SH | $128.64M 1.35% | 177.39K | 0.00 | 0.00 |
BROADCOM INCSOLE | COM | 313.20K | SH | $109.99M 1.16% | 313.20K | 0.00 | 0.00 |
STATE STR SPDR S&P 500 ETF TSOLE | TR UNIT | 142.10K | SH | $108.37M 1.14% | 142.10K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 217.47K | SH | $108.29M 1.14% | 217.47K | 0.00 | 0.00 |
ELI LILLY & COSOLE | COM | 86.95K | SH | $100.61M 1.06% | 86.95K | 0.00 | 0.00 |
INVESCO QQQ TRSOLE | UNIT SER 1 | 134.22K | SH | $99.29M 1.04% | 134.22K | 0.00 | 0.00 |
COSTCO WHOLESALE CORPORATIONSOLE | COM | 95.12K | SH | $86.59M 0.91% | 95.12K | 0.00 | 0.00 |
ISHARES TRSOLE | CORE S&P500 ETF | 104.31K | SH | $79.89M 0.84% | 104.31K | 0.00 | 0.00 |
VANGUARD INDEX FDSSOLE | S&P 500 ETF SHS | 113.46K | SH | $79.52M 0.84% | 113.46K | 0.00 | 0.00 |
MARVELL TECHNOLOGY INCSOLE | COM | 289.21K | SH | $76.41M 0.80% | 288.71K | 0.00 | 498.00 |
ISHARES TRSOLE | RUS 1000 GRW ETF | 570.87K | SH | $71.51M 0.75% | 570.87K | 0.00 | 0.00 |
ADVANCED MICRO DEVICES INCSOLE | COM | 113.89K | SH | $69.67M 0.73% | 113.62K | 0.00 | 275.00 |
VISA INCSOLE | COM CL A | 190.98K | SH | $68.62M 0.72% | 190.98K | 0.00 | 0.00 |
TESLA INCSOLE | COM | 178.34K | SH | $63.28M 0.67% | 178.34K | 0.00 | 0.00 |
QUANTA SVCS INCSOLE | COM | 95.48K | SH | $61.35M 0.64% | 95.48K | 0.00 | 0.00 |
TAIWAN SEMICONDUCTOR MANUFACSOLE | SPONSORED ADS | 133.58K | SH | $60.94M 0.64% | 133.58K | 0.00 | 0.00 |
MICRON TECHNOLOGY INCSOLE | COM | 54.60K | SH | $58.15M 0.61% | 54.60K | 0.00 | 0.00 |
GOLDMAN SACHS GROUP INCSOLE | COM | 61.94K | SH | $55.77M 0.59% | 61.94K | 0.00 | 0.00 |
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