OPPENHEIMER & CO INC

Diversified mechanical Mechanical CIK 822581
League rank
#161
in Diversified mechanical · #3258 overall
Long book
$8.21B
Q1 2026
Positions
1683
Top-10 weight
20%
concentration
Last quarter
+12.2%
SPY +14.8%
Turnover
22%
of book per quarter

Strategy in plain words

auto-generated from filings

OPPENHEIMER & CO INC is a mechanically diversified allocator, running a $8.21B US long book across 1683 positions.

The portfolio is broadly diversified across 1683 positions (top 10 only 20%). Turnover is modest: positions are typically held for years. Current anchor positions: APPLE INC, MICROSOFT CORP, NVIDIA CORP, AMAZON.COM INC, ALPHABET INC-CL C.

Over the last 9 quarters its long book ran on average 0.3pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+2.0%
Q2 2024
+5.9%
Q3 2024
+1.2%
Q4 2024
-3.4%
Q1 2025
+10.4%
Q2 2025
+7.8%
Q3 2025
+2.2%
Q4 2025
-1.0%
Q1 2026
+12.2%

Sector allocation

Technology
34%
Industrials
13%
Financials
12%
Consumer discretionary
10%
Healthcare
9%
Energy
5%
Utilities
4%
Services media
4%

Long book by quarter

$6.03B
Q1 2024
$6.30B
Q2 2024
$6.56B
Q3 2024
$6.70B
Q4 2024
$6.62B
Q1 2025
$7.56B
Q2 2025
$8.20B
Q3 2025
$7.04B
Q4 2025
$8.21B
Q1 2026

What does OPPENHEIMER & own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
AAPL APPLE INCTechnology1.1M$281.0M3.4%New
MSFT MICROSOFT CORPTechnology757.5K$280.4M3.4%+8.2%
NVDA NVIDIA CORPTechnology1.2M$211.4M2.6%+2.3%
AMZN AMAZON.COM INCConsumer discretionary783.1K$163.1M2.0%New
GOOG ALPHABET INC-CL CTechnology449.7K$129.0M1.6%+5.4%
GOOGL ALPHABET INC-CL ATechnology437.2K$125.7M1.5%-3.6%
JPM JPMORGAN CHASE & COFinancials383.0K$112.7M1.4%-1.4%
META META PLATFORMS INC-CLASS ATechnology196.0K$112.1M1.4%+6.4%
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials205.4K$98.4M1.2%New
AVGO BROADCOM INCTechnology305.5K$94.6M1.2%+3.2%
COST COSTCO WHOLESALE CORPConsumer discretionary93.7K$93.4M1.1%+3.2%
LLY ELI LILLY & COHealthcare73.8K$67.9M0.8%+6.4%
TSLA TESLA INCIndustrials156.0K$58.0M0.7%+6.2%
WMT WALMART INCConsumer discretionary463.3K$57.6M0.7%+2.4%
PWR QUANTA SERVICES INCIndustrials102.5K$56.3M0.7%New
PL PLANET LABS PBCTechnology2.0M$54.8M0.7%+6.9%
V VISA INC-CLASS A SHARESServices media178.4K$53.9M0.7%+1.7%
GS GOLDMAN SACHS GROUP INCFinancials63.6K$53.8M0.7%-3.9%
ASTS AST SPACEMOBILE INCCommunications636.6K$52.8M0.6%+20.6%
CAT CATERPILLAR INCIndustrials71.6K$50.7M0.6%+1.5%
HD HOME DEPOT INCConsumer discretionary143.7K$47.3M0.6%+2.8%
XOM EXXON MOBIL CORPEnergy271.8K$46.1M0.6%-11.3%
JNJ JOHNSON & JOHNSONHealthcare186.2K$45.5M0.6%+4.6%
AMGN AMGEN INCHealthcare119.8K$42.2M0.5%New
CVX CHEVRON CORPEnergy195.6K$40.5M0.5%-1.7%
GILD GILEAD SCIENCES INCHealthcare283.0K$39.4M0.5%+5.6%
PLTR PALANTIR TECHNOLOGIES INC-ATechnology261.2K$38.2M0.5%-12.7%
RTX RTX CORPIndustrials183.3K$35.4M0.4%New
ABBV ABBVIE INCHealthcare156.1K$33.9M0.4%-2.1%
MRVL MARVELL TECHNOLOGY INCTechnology341.7K$33.8M0.4%+1.2%
NFLX NETFLIX INCServices media348.4K$33.5M0.4%+9.0%
VET VERMILION ENERGY INCEnergy2.4M$32.5M0.4%+640.8%
MA MASTERCARD INC - AServices media60.5K$30.2M0.4%+21.0%
GLW CORNING INCIndustrials218.1K$29.7M0.4%+43.7%
CSCO CISCO SYSTEMS INCTechnology374.4K$29.1M0.4%+1.7%
C CITIGROUP INCFinancials255.9K$29.0M0.4%-0.5%
MPC MARATHON PETROLEUM CORPEnergy118.4K$28.9M0.4%-1.2%
VZ VERIZON COMMUNICATIONS INCCommunications554.5K$27.8M0.3%-1.9%
NEE NEXTERA ENERGY INCUtilities295.0K$27.4M0.3%-1.9%
ETN EATON CORP PLCIndustrials74.6K$26.7M0.3%-0.9%
BAC BANK OF AMERICA CORPFinancials531.9K$25.9M0.3%New
WM WASTE MANAGEMENT INCUtilities109.8K$25.2M0.3%-0.7%
PFE PFIZER INCHealthcare831.6K$23.4M0.3%+19.7%
AMD ADVANCED MICRO DEVICESTechnology111.4K$22.7M0.3%New
MRK MERCK & CO. INC.Healthcare184.2K$22.2M0.3%+12.0%
LOW LOWE'S COS INCConsumer discretionary92.9K$21.9M0.3%+0.9%
PG PROCTER & GAMBLE CO/THEOther148.9K$21.5M0.3%+3.8%
AMAT APPLIED MATERIALS INCTechnology61.9K$21.2M0.3%New
PEP PEPSICO INCConsumer staples133.8K$20.8M0.3%+3.4%
PANW PALO ALTO NETWORKS INCTechnology129.0K$20.7M0.3%+3.9%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRApr 24, 20261683$8.21B canonicalSEC ↗
Q4 202513F-HRFeb 2, 20261523$7.04B canonicalSEC ↗
Q3 202513F-HRNov 6, 20251646$8.20B canonicalSEC ↗
Q2 202513F-HRJul 31, 20251603$7.56B canonicalSEC ↗
Q1 202513F-HRApr 23, 20251564$6.62B canonicalSEC ↗
Q4 202413F-HRFeb 5, 20251548$6.70B canonicalSEC ↗
Q3 202413F-HRNov 5, 20241506$6.56B canonicalSEC ↗
Q2 202413F-HRAug 8, 20241430$6.30B canonicalSEC ↗
Q1 202413F-HRMay 7, 20241436$6.03B canonicalSEC ↗