NewEdge Advisors, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed June 3, 2026), NewEdge Advisors, LLC reported 4,118 stock positions worth $27.7 billion. Its top holding was Apple (AAPL) at 3.1% of the portfolio, followed by Nvidia (NVDA, 2.1%) and Microsoft (MSFT, 2.1%). Compared with Q4 2025, it opened 309 new positions, sold out of 379, added to 1,607 and reduced 1,555. The biggest buy was a new position in Argan and the biggest sale iShares S&P 100 ETF (OEF, shares −80%).

Most Recent 13F
Q2 2026
Location
NEW ORLEANS, LA
CIK
0001633516
Portfolio Value
$27.7B (Q1 2026)
SEC Filing
0001213900-26-064375 ↗ filed Jun 3, 2026

Holdings Value

0$10.0B$20.0B$30.0B$40.0B Q1 2024: $11.5B Q1 2024 Q2 2024: $13.7B Q2 2024 Q3 2024: $15.4B Q3 2024 Q4 2024: $16.6B Q4 2024 Q1 2025: $16.8B Q1 2025 Q2 2025: $19.4B Q2 2025 Q3 2025: $22.0B Q3 2025 Q4 2025: $27.6B Q4 2025 Q1 2026: $27.7B $27.7B Q1 2026 Q2 2026: $33.6B Q2 2026

Holdings 4,118 stocks · $27.7B

AAPL Apple Inc. 3.09% 3,365,597 $854.2M Reduce -1.9%
NVDA Nvidia Corp. 2.14% 3,427,577 $592.3M Add +3.1%
MSFT Microsoft Corp. 2.10% 1,572,845 $582.2M Add +4.0%
IVV iShares Core S&P 500 ETF 2.08% 879,831 $574.7M Add +9.5%
AMZN Amazon.com Inc. 1.58% 2,102,077 $437.8M Add +2.5%
JPM JPMorgan Chase & Co. 1.52% 1,434,818 $422.1M Reduce -1.6%
GOOGL Alphabet Inc. Class A 1.34% 1,289,339 $370.8M Reduce -8.9%
VOO Vanguard S&P 500 ETF 1.31% 605,643 $361.9M Add +0.7%
WMT Walmart Inc. 1.29% 2,879,062 $357.8M Reduce -2.0%
SPY SS SPDR S&P 500 ETF Trust-US 1.24% 607,741 $343.9M Add +0.6%
BRK.B Berkshire Hathaway Inc. Class B 1.09% 663,882 $300.4M Add +6.3%
AVGO Broadcom Inc. 1.06% 948,027 $293.4M Reduce -15.9%
XOM Exxon Mobil Corp. 0.97% 1,575,169 $267.2M Reduce -12.8%
DYNF Ishrs US E F R A ETF-Usd Inc. 0.92% 4,370,801 $254.3M Reduce -7.8%
CVX Chevron Corp. 0.91% 1,212,537 $250.9M Reduce -9.2%
META Meta Platforms Inc. Class A 0.84% 407,031 $232.9M Reduce -2.3%
V Visa Inc. Class A 0.83% 757,409 $228.9M Add +2.2%
VTV Vanguard Mrngstr Val ETF-Aui 0.81% 1,141,620 $224.0M Reduce -6.5%
JNJ Johnson & Johnson 0.78% 888,033 $217.1M Reduce -1.8%
SPYM Ste STR SPDR PT S&P 500 ETF 0.76% 2,755,901 $210.9M Add +12.0%
IVW iShares S&P 500 Growth ETF 0.74% 1,821,181 $206.0M Add +4.1%
GOOG Alphabet Inc. Class C 0.74% 715,045 $205.1M Add +7.4%
CSCO Cisco Systems Inc. 0.69% 2,467,602 $191.5M Add +18.6%
EFV iShares MSCI Eafe Value ETF 0.66% 2,443,575 $181.7M Add +20.0%
IVE iShares S&P 500 Value ETF 0.66% 858,916 $181.4M Reduce -6.2%
VUG Vanguard Mrngstar GR ETF-Sui 0.64% 404,600 $176.7M Reduce -0.3%
LLY Eli Lilly & Co. 0.61% 184,095 $169.3M Add +4.4%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.59% 1,026,095 $163.9M Add +0.0%
IEMG iShares Core MSCI Emerging 0.56% 2,236,823 $156.0M Reduce -7.7%
HD Home Depot Inc. 0.55% 463,552 $152.5M Reduce -0.9%
COST Costco Wholesale Corp. 0.55% 152,950 $152.4M Reduce -0.9%
CAT Caterpillar Inc. 0.55% 215,064 $152.4M Reduce -8.0%
ARGAN INC 0.55% 1,076,095 $151.1M New
PSX Phillips 66 0.54% 824,364 $150.2M Reduce -17.3%
VEA Vanguard Ftse Developed ETF 0.53% 2,296,726 $147.2M Reduce -1.4%
PYLD PIMCO Multisector Bond Actv 0.53% 5,609,062 $147.0M Add +7.6%
TSLA Tesla Inc. 0.52% 391,865 $142.8M Add +1.9%
IUSB Ishr CR Unvrse Usd BD ETF-Ui 0.52% 3,087,463 $142.6M Add +8.9%
AMD Advanced Micro Devices 0.51% 692,442 $140.9M Add +1.3%
QUAL iShares MSCI USA Quality Fac 0.51% 732,682 $140.5M Add +2.6%
THRO iShares U.S. Thematic Rotati 0.51% 3,875,370 $140.4M Add +8.6%
ABBV Abbvie Inc. 0.50% 632,140 $137.5M Add +0.9%
BOND PIMCO Active Bond Exchange-T 0.45% 1,336,231 $123.3M Add +26.6%
IEFA iShares Core MSCI Eafe ETF 0.44% 1,358,502 $123.0M Add +6.4%
VTI VG Morningstar TS MKT ETF-US 0.44% 381,666 $122.4M Reduce -9.2%
GLD SPDR Gold Shares 0.42% 271,252 $116.7M Add +6.4%
BAI Ishrs AI in and Tech Act ETF 0.39% 3,290,414 $108.4M Add +6.5%
SO The Southern Co. 0.36% 1,039,273 $100.3M Reduce -10.8%
BUFR FT Vest Lad Buffervetf-Usd I 0.36% 2,927,297 $98.9M Add +6.5%
RDVY First Trust Rising Dividend 0.35% 1,437,974 $98.2M Add +9.5%
MTUM iShares MSCI USA Momentum Fa 0.35% 398,773 $95.7M Add +6.0%
TLH iShares 10-20 Year Treasury 0.34% 924,211 $93.1M Reduce -5.4%
WFC Wells Fargo & Co. 0.33% 1,143,655 $91.0M Add +2.1%
VO Vngrd Mrngstr MD-Cap ETF-Usd 0.33% 315,510 $90.6M Add +0.2%
DFAC Dimensional US Core Equity 2 0.32% 2,292,841 $89.1M Reduce -7.7%
PLD Prologis Inc. 0.32% 667,027 $88.2M Add +1.3%
RSP Invesco S&P 500 Equal Weight 0.31% 451,779 $86.7M Add +10.0%
IWF iShares Russell 1000 Growth 0.31% 203,180 $86.6M Reduce -3.7%
HON Honeywell International Inc. 0.31% 378,454 $85.5M Add +3.1%
AGG iShares Core U.S. Aggregate 0.31% 854,978 $84.9M Reduce -8.9%
TSM Taiwan Semiconductor-SP ADR 0.30% 242,190 $81.8M Reduce -3.9%
MCD McDonald's Corp. 0.29% 262,557 $81.6M Add +77.4%
PM Philip Morris International 0.29% 485,191 $80.2M Reduce -0.6%
PANW Palo Alto Networks Inc. 0.29% 496,994 $79.7M Reduce -5.5%
ADI Analog Devices Inc. 0.28% 245,536 $78.1M Add +3.3%
MBB iShares MBS ETF 0.28% 817,242 $77.6M Add +6.7%
DELL Dell Technologies -C 0.27% 457,665 $75.1M Reduce -9.4%
EFG iShares MSCI Eafe Growth ETF 0.27% 662,281 $73.8M Add +391.7%
IJR iShares Core S&P Small-Cap E 0.26% 586,348 $72.9M Reduce -2.0%
BND Vanguard Total Bond Market 0.26% 986,959 $72.7M Reduce -9.3%
BLK BlackRock Inc. 0.25% 71,807 $69.1M Reduce -0.6%
VIG Vanguard Dividend Apprec ETF 0.25% 319,730 $68.8M Reduce -10.2%
FELC Fidelity Enh LRG Cap Cor ETF 0.25% 1,893,097 $68.7M Add +65.4%
PLTR Palantir Technologies Inc. Class A 0.25% 464,688 $68.0M Reduce -1.4%
BA The Boeing Co. 0.24% 330,553 $65.8M Add +0.2%
VWO Vanguard Ftse Emerging Marke 0.24% 1,214,872 $65.7M Reduce -2.4%
DGRO iShares Core Dividend Growth 0.24% 928,191 $65.1M Add +4.8%
GOVT iShares US Treasury Bond ETF 0.23% 2,838,987 $65.0M Add +347.1%
PULS Pgim Ultra Short Bond ETF 0.23% 1,307,335 $64.7M Add +10.1%
IAU iShares Gold Trust 0.23% 727,251 $64.1M Reduce -38.3%
MU Micron Technology Inc. 0.23% 187,706 $63.4M Add +62.8%
GEHC GE Healthcare Technology 0.23% 877,072 $62.4M Reduce -0.1%
T AT&T Inc. 0.22% 2,145,141 $62.2M Add +2.4%
CGGR Cap Group Growth Equity 0.22% 1,509,552 $60.7M Add +3.4%
CGDV Cap Group Dividend Value filed as CAPITAL GROUP DIVIDEND VALUE 0.22% 1,425,035 $60.6M Add +5.5%
BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP 0.22% 509,956 $60.5M Reduce -1.1%
GEV GE Vernova Inc. 0.22% 71,010 $59.7M Add +3.1%
CENCORA INC 0.21% 1,045,981 $59.4M New
SNX TD Synnex Corp. 0.21% 347,399 $58.6M Add +1.2%
GPC Genuine Parts Co. 0.21% 552,356 $58.4M Add +601.4%
JPST JPMorgan Ultra-Short Income 0.21% 1,153,944 $58.4M Reduce -5.0%
FBND Fidelity Total Bond ETF 0.21% 1,278,631 $58.3M Add +4.4%
LOW Lowe's Cos Inc. 0.21% 245,098 $57.9M Add +139.9%
MINT PIMCO Enhanced Short Maturit 0.21% 575,742 $57.9M Add +24.2%
MA Mastercard Inc. Class A 0.21% 114,809 $57.4M Add +5.2%
USMV iShares MSCI USA Min Vol Fac 0.21% 618,327 $57.3M Add +30.0%
ORCL Oracle Corp. 0.20% 381,102 $56.1M Reduce -11.5%
QQQM Invesco Nasdaq 100 ETF 0.20% 234,688 $55.8M Add +42.4%
CGGO Cap Group Global Growth filed as CAPITAL GROUP GBL GROWTH EQT 0.20% 1,663,897 $55.5M Add +9.8%
KMB Kimberly-Clark Corp. 0.20% 575,164 $55.5M Add +916.3%

Show all 4,118 holdings

Other holdings (8): bonds, preferreds, convertibles and warrants · $1.5M (not counted above)
SecurityClassShares / PrincipalValueChange
BANK OF AMERICA CORP (BAC 7.25 PERP L) 7.25%CNV PFD L 462$551KReduce -19.6%
STRATEGY INC (MSTR 8 PERP) SERIES A PERP PF 5,045$357KAdd +36.2%
ARES MANAGEMENT CORP (ARES 6.75 10/01/27 B) 6.75 SE B PFD 7,700$279KReduce -4.8%
CORZW Core Scientific Inc. - 27 *W EXP 01/23/202 21,675$189KNo change
NIOBW Niocorp Developments Ltd. -28 *W EXP 03/17/202 18,313$31KReduce -5.3%
BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A 363$24KNew
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A 17$20KReduce -81.1%
NEUBERGER HIGH YIELD-RT RIGHT 04/15/2026 38,794$310Reduce -7.6%

Total filed on the 13F, all lines: $27.7B.

Portfolio Sells Q4 2025 → Q1 2026

OEF iShares S&P 100 ETF Reduce -80.4% 0.11% −0.49
QQQ Invesco QQQ Trust Series 1 Reduce -88.8% 0.15% −0.48
AVGO Broadcom Inc. Reduce -15.9% 1.06% −0.36
AAPL Apple Inc. Reduce -1.9% 3.09% −0.30
GOOGL Alphabet Inc. Class A Reduce -8.9% 1.34% −0.27
IBM Intl Business Machines Corp. Reduce -48.3% 0.17% −0.24
SFBS Servisfirst Bancshares Inc. Reduce -86.9% 0.03% −0.21
INTU Intuit Inc. Reduce -63.0% 0.06% −0.18
JPM JPMorgan Chase & Co. Reduce -1.6% 1.52% −0.18
QCOM Qualcomm Inc. Reduce -60.8% 0.07% −0.18
META Meta Platforms Inc. Class A Reduce -2.3% 0.84% −0.16
DTE DTE Energy Company Reduce -78.1% 0.04% −0.13
RTX RTX Corp. Reduce -70.3% 0.06% −0.13
DYNF Ishrs US E F R A ETF-Usd Inc. Reduce -7.8% 0.92% −0.13
TSCO Tractor Supply Company Reduce -71.4% 0.04% −0.13
ADP Automatic Data Processing Reduce -52.3% 0.07% −0.12
IAU iShares Gold Trust Reduce -38.3% 0.23% −0.12
TMUS T-Mobile US Inc. Reduce -65.3% 0.06% −0.11
VST Vistra Corp. Reduce -64.7% 0.05% −0.11
ORCL Oracle Corp. Reduce -11.5% 0.20% −0.10
FTCS First Trust Capital Strength Reduce -82.5% 0.01% −0.09
FV First Trust DW Focus 5 Fund Reduce -40.9% 0.12% −0.09
COR Cencora Inc. Reduce -28.5% 0.18% −0.09
ITA iShares U.S. Aerospace & Def Reduce -69.6% 0.04% −0.08
VUG Vanguard Mrngstar GR ETF-Sui Reduce -0.3% 0.64% −0.08
VTI VG Morningstar TS MKT ETF-US Reduce -9.2% 0.44% −0.07
FXU First Trust Utilities Alphad Reduce -90.6% 0.01% −0.07
DBEF Xtrackers MSCI Eafe Hedged E Reduce -94.2% 0.00% −0.07
PANW Palo Alto Networks Inc. Reduce -5.5% 0.29% −0.06
EMB iShares JP Morgan Usd Emergi Reduce -62.3% 0.03% −0.06
FXO First Trust Financial Alphad Reduce -81.2% 0.01% −0.06
GLDM SPDR Gold Minishares Trust Reduce -96.1% 0.00% −0.06
EOSE Eos Energy Enterprises Inc. Reduce -46.7% 0.02% −0.06
PLTR Palantir Technologies Inc. Class A Reduce -1.4% 0.25% −0.06
UNH Unitedhealth Group Inc. Reduce -25.8% 0.08% −0.05
IWF iShares Russell 1000 Growth Reduce -3.7% 0.31% −0.05
IVE iShares S&P 500 Value ETF Reduce -6.2% 0.66% −0.05
MAA Mid-America Apartment Comm Reduce -90.8% 0.00% −0.05
FDN First Trust DJ Internet Ind Reduce -68.6% 0.02% −0.04
DE Deere & Co. Reduce -46.9% 0.08% −0.04
AXP American Express Co. Reduce -9.2% 0.12% −0.04
HOOD Robinhood Markets Inc. Class A Reduce -56.9% 0.01% −0.04
DHR Danaher Corp. Reduce -0.6% 0.18% −0.04
CEG Constellation Energy Reduce -31.3% 0.05% −0.04
NOW ServiceNow Inc. Reduce -16.2% 0.05% −0.04
VTV Vanguard Mrngstr Val ETF-Aui Reduce -6.5% 0.81% −0.04
DIS The Walt Disney Co. Reduce -25.5% 0.07% −0.04
RF Regions Financial Corp. Reduce -54.7% 0.03% −0.04
GEHC GE Healthcare Technology Reduce -0.1% 0.23% −0.04
VIG Vanguard Dividend Apprec ETF Reduce -10.2% 0.25% −0.04

Portfolio Buys Q4 2025 → Q1 2026

ARGAN INC New 0.55% +0.55
CENCORA INC New 0.21% +0.21
EFG iShares MSCI Eafe Growth ETF Add +391.7% 0.27% +0.21
QUANTA SVCS INC New 0.18% +0.18
GOVT iShares US Treasury Bond ETF Add +347.1% 0.23% +0.18
KMB Kimberly-Clark Corp. Add +916.3% 0.20% +0.18
GPC Genuine Parts Co. Add +601.4% 0.21% +0.18
ETR Entergy Corp. Add +382.6% 0.20% +0.16
BLCR iShares LRG CP CR Act ETF-Ui New 0.15% +0.15
NI Nisource Inc. Add +772.0% 0.16% +0.14
WELL Welltower Inc. Add +1040.5% 0.15% +0.14
IDEF Ishars Def Ind TC Ac ETF-Ui New 0.14% +0.14
USFR Wisdomtree Floating Rate Tre Add +363.1% 0.17% +0.13
MCD McDonald's Corp. Add +77.4% 0.29% +0.13
EFV iShares MSCI Eafe Value ETF Add +20.0% 0.66% +0.13
GILD Gilead Sciences Inc. Add +144.2% 0.20% +0.13
LOW Lowe's Cos Inc. Add +139.9% 0.21% +0.12
DBND Doubleline Oppor Cor BND-Usd New 0.11% +0.11
CSCO Cisco Systems Inc. Add +18.6% 0.69% +0.11
MU Micron Technology Inc. Add +62.8% 0.23% +0.11
CMI Cummins Inc. Add +123.1% 0.19% +0.11
FELC Fidelity Enh LRG Cap Cor ETF Add +65.4% 0.25% +0.09
BOND PIMCO Active Bond Exchange-T Add +26.6% 0.45% +0.09
SPOT Spotify Technology SA Add +456.1% 0.11% +0.09
NEAR iShares SH Dba ETF Usd Inc. Add +94.9% 0.17% +0.08
IVV iShares Core S&P 500 ETF Add +9.5% 2.08% +0.08
BILS SS Spdrb B 3-12M T-Bill ETF Add +237.3% 0.11% +0.08
WDC Western Digital Corp. Add +146.5% 0.10% +0.07
SGOV iShares 0-3 Month Treasury B Add +156.3% 0.11% +0.07
BLACKROCK CORE BD TR New 0.07% +0.07
SOUTHSTATE BK CORP New 0.06% +0.06
SPHB Invesco S&P 500 High Beta Et Add +271363.5% 0.06% +0.06
WMB Williams Cos Inc. Add +75.0% 0.11% +0.06
GLD SPDR Gold Shares Add +6.4% 0.42% +0.06
FXN First Trust Energy Alphadex Add +1886.8% 0.06% +0.05
VT Vanguard Tot World STK ETF Add +101.0% 0.11% +0.05
FTXR First Trust Nasdaq Transport Add +31579.5% 0.05% +0.05
GEV GE Vernova Inc. Add +3.1% 0.22% +0.05
QQQM Invesco Nasdaq 100 ETF Add +42.4% 0.20% +0.05
HON Honeywell International Inc. Add +3.1% 0.31% +0.05
ADI Analog Devices Inc. Add +3.3% 0.28% +0.05
PZA Invesco National Amt-Free Mu Add +1199.8% 0.05% +0.05
AIQ Global X Art Intel & Tech Add +180.9% 0.08% +0.05
TPL Texas Pacific Land Corp. Add +832.0% 0.05% +0.05
SPYM Ste STR SPDR PT S&P 500 ETF Add +12.0% 0.76% +0.05
USMV iShares MSCI USA Min Vol Fac Add +30.0% 0.21% +0.04
SHY iShares 1-3 Year Treasury Bo Add +98.7% 0.09% +0.04
EQWL Invesco S&P 100 Equal Weight Add +2526.4% 0.04% +0.04
FBT First Trust Nyse Arca Biotec Add +960.6% 0.05% +0.04
STIP iShares 0-5 Year Tips Bond E Add +60.7% 0.11% +0.04

Notes & Other Activity Q4 2025 → Q1 2026

BANK OF AMERICA CORP (BAC 7.25 PERP L) 7.25%CNV PFD L Reduce -19.6% 462 $551K
STRATEGY INC (MSTR 8 PERP) SERIES A PERP PF Add +36.2% 5,045 $357K
ARES MANAGEMENT CORP (ARES 6.75 10/01/27 B) 6.75 SE B PFD Reduce -4.8% 7,700 $279K
EL PASO ENERGY CAP TRST (KMI 4.75 03/31/28) PFD CV TR SEC 28 Sold out 4,700 $231Kbefore exit
OXY.WS Occidental Petroleum-CW27 *W EXP 08/03/202 Sold out 2,143 $41Kbefore exit
NIOBW Niocorp Developments Ltd. -28 *W EXP 03/17/202 Reduce -5.3% 18,313 $31K
BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A New 363 $24K
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A Reduce -81.1% 17 $20K
CVE.WS Cenovus Energy Inc. -CW26 *W EXP 01/01/202 Sold out 848 $10Kbefore exit
NE.WS Noble Corp. PLC-28 *W EXP 02/04/202 Sold out 223 $4Kbefore exit
NOBLE CORP PLC-28 *W EXP 02/04/202 Sold out 223 $2Kbefore exit
NVVEW Nuvve Holding Corp.-CW26 *W EXP 03/19/202 Sold out 27,062 $433before exit
NEUBERGER HIGH YIELD-RT RIGHT 04/15/2026 Reduce -7.6% 38,794 $310
CRMLW Critical Metals Corp.-28 *W EXP 02/27/202 Sold out 82 $224before exit
DFDVW Defi Development Corp. *W EXP 01/21/202 Sold out 126 $197before exit
VAL.WS Valaris Ltd. -CW28 *W EXP 04/29/202 Sold out 100 $176before exit
OPENW Opendoor Technologies Inc.-26 *W EXP 11/20/202 Sold out 117 $106before exit
SQFTW Presidio Property TRST -CW27 *W EXP 01/24/202 Sold out 2,625 $79before exit
OPENL Opendoor Technologies Inc.-26 *W EXP 11/20/202 Sold out 117 $61before exit
OPENZ Opendoor Technologies Inc.-26 *W EXP 11/20/202 Sold out 117 $46before exit
BFLYW Butterfly Network Inc. -CW25 *W EXP 02/12/202 Sold out 2,500 $44before exit
SABSW Sab Biotherapeutics Inc. Class W *W EXP 10/22/202 Sold out 1,072 $33before exit
HTZWW Hertz Global Hldgs Inc. -CW51 *W EXP 06/30/205 Sold out 6 $16before exit
MYPSW Playstudios Inc. -CW26 *W EXP 99/99/999 Sold out 1,667 $13before exit
GME.WS Gamestop Corp. *W EXP 10/30/202 Sold out 1 $3before exit
XPRO Expro Group Holdings NV COM Reduce -100.0% 0 $0

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 4,175$33.6BAAPL, IVV, SPY, NVDA, MSFT
Q1 2026Amended 4,118$27.7BAAPL, NVDA, MSFT, IVV, AMZN
Q4 2025 4,190$27.6BAAPL, MSFT, NVDA, IVV, AMZN
Q3 2025 4,079$22.0BAAPL, NVDA, MSFT, IVV, SPY
Q2 2025 3,973$19.4BMSFT, AAPL, NVDA, IVV, SPY
Q1 2025 3,946$16.8BAAPL, IVV, MSFT, NVDA, SPY
Q4 2024 3,887$16.6BAAPL, IVV, NVDA, MSFT, SPY
Q3 2024 3,787$15.4BAAPL, IVV, MSFT, NVDA, SPY
Q2 2024 3,771$13.7BAAPL, IVV, NVDA, MSFT, SPY
Q1 2024 3,810$11.5BAAPL, IVV, MSFT, NVDA, VOO