13F filer

Oppenheimer & Co.

As of Sep 30, 2026 Filed Oct 26, 2026 CIK 822581 SEC filings ↗

13F Value

$9.51B

Positions

1,752

Top Position

MSFT4.0%

Top 5

14.8%

Latest filing changes

vs Jun 30, 2026

1 SPMO Invesco S&P 500 Momentum ETF +977.4%+$30.8M

2 SPCX Space Exploration Techn +235.0%+$18.6M

3 SPY State Str SPDR S&P 500 ETF T — Tr Unit +12.0%+$11.6M

4 JPM JPMorgan Chase +8.7%+$11.2M

5 LLY Eli Lilly +10.5%+$9.6M

Holdings1,752

#
1	MSFT Microsoft	4.0%	$378.2M	+0.7%	737.3K	2.9%	Common Stock
2	AAPL Apple	3.8%	$365.0M	-3.2%	1.10M	3.5%	Common Stock
3	NVDA NVIDIA	3.1%	$293.1M	+2.5%	1.28M	2.7%	Common Stock
4	AMZN Amazon	2.2%	$209.9M	+4.4%	842.6K	2.1%	Common Stock
5	GOOGL Alphabet Class A Filing details 02079K305 Sep 30, 2026 479,037 reported quantity $164,827,051 reported value	1.7%	$164.8M	+5.4%	479.0K	1.7%	Common Stock
6	GOOG Alphabet Class C	1.7%	$161.3M	+2.9%	473.5K	1.7%	Common Stock
7	JPM JPMorgan Chase	1.5%	$139.1M	+8.7%	420.6K	1.4%	Common Stock
8	META Meta Platforms	1.4%	$128.6M	-7.0%	177.4K	1.1%	Common Stock
9	AVGO Broadcom	1.2%	$110.0M	+1.1%	313.2K	1.2%	Common Stock
10	SPY State Str SPDR S&P 500 ETF T — Tr Unit	1.1%	$108.4M	+12.0%	142.1K	1.0%	ETF
11	BRK.B Berkshire Hathaway Class B Filing details 084670702 Sep 30, 2026 217,468 reported quantity $108,288,191 reported value	1.1%	$108.3M	+2.1%	217.5K	1.1%	Common Stock
12	LLY Eli Lilly	1.1%	$100.6M	+10.5%	87.0K	1.0%	Common Stock
13	QQQ Invesco QQQ Trust, Series 1	1.0%	$99.3M	-2.0%	134.2K	1.1%	ETF
14	COST Costco Wholesale	0.9%	$86.6M	+1.3%	95.1K	0.9%	Common Stock
15	IVV iShares Core S&P 500 ETF	0.8%	$79.9M	-0.9%	104.3K	0.8%	ETF
16	VOO Vanguard 500 Index Fund — ETF Shares	0.8%	$79.5M	+8.5%	113.5K	0.8%	ETF
17	MRVL Marvell Technology	0.8%	$76.4M	+3.1%	289.2K	0.9%	Common Stock
18	IWF iShares Russell 1000 Growth ETF	0.8%	$71.5M	-13.3%	570.9K	0.9%	ETF
19	AMD Advanced Micro Devices	0.7%	$69.7M	-0.8%	113.9K	0.7%	Common Stock
20	V Visa	0.7%	$68.6M	+7.1%	191.0K	0.7%	Common Stock

Change compares with the prior filing. Prior % is the share of the portfolio in that filing. Trend shows the quantity held in each of the last four filings: green rose, red fell, grey unchanged.

Exited in Latest Filing138

#	Holding	Prior %	Prior Value	Change	Prior Quantity	Trend (4Q)	Type

Compared with the immediately prior published filing (Jun 30, 2026). Prior values are shown for context and are not included in current totals.