Q3 2026 13F · SEC CIK 2158818

Michael J. Porro & Co. Financial Advisors, Inc.

Wealth managerFiled 2026-10-16 for Q3 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $165.5M
Reported positions: 134
Holdings vs S&P 500, 3 yrs: —
Assets under management: $168.7M

Michael J. Porro & Co. Financial Advisors, Inc. is a wealth manager that reported 134 positions worth $165.5M in its Q3 2026 13F, filed 2026-10-16. Its largest holdings were Coherent Corp (COHR, 6.7%), Dell Technologies Inc (DELL, 4.9%), Marvell Technology Inc (MRVL, 3.0%).

Michael J. Porro & Co. Financial Advisors, Inc. holdings largest 50 of 134 positions.

Weights are shares of the filer's total reported 13F value, compared with Q2 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Michael J. Porro & Co. Financial Advisors, Inc. 13F holdings
Stock	% of 13F value	Q2 2026	Shares	Share change	Reported value
COHRCoherent Corp	6.7%	8.7%	38,385	-1.0%	$11.0M
DELLDell Technologies Inc	4.9%	3.7%	15,145	+0.0%	$8.1M
MRVLMarvell Technology Inc	3.0%	3.2%	18,526	-3.1%	$4.9M
BEBloom Energy Corp	2.7%	2.6%	15,970	+5.3%	$4.4M
ITGRInteger Hldgs Corp	2.3%	1.7%	30,409	-2.3%	$3.8M
ASMLAsml Hldg NV	2.3%	2.4%	2,113	-0.7%	$3.8M
TSEMTower Semiconductor Ltd	2.3%	2.4%	16,395	-0.6%	$3.7M
AAPLApple Inc	2.2%	1.8%	11,017	-1.3%	$3.7M
SMTCSemtech Corp	2.0%	1.7%	18,602	-1.1%	$3.3M
INTCIntel Corp	2.0%	2.3%	27,456	-3.2%	$3.3M
GLWCorning Inc	1.9%	3.0%	20,942	-0.1%	$3.2M
ARMArm Holdings PLC	1.9%	2.2%	10,804	-0.1%	$3.1M
IWMIshares Tr	1.8%	1.8%	10,597	-0.0%	$2.9M
MSFTMicrosoft Corp	1.7%	1.2%	5,564	-5.2%	$2.9M
QCOMQualcomm Inc	1.7%	1.6%	15,220	+0.0%	$2.8M
NVDANvidia Corporation	1.7%	1.1%	12,180	+21.3%	$2.8M
GOOGAlphabet Inc	1.5%	1.5%	7,197	-0.3%	$2.5M
SMHVaneck ETF Trust	1.5%	1.5%	3,945	+0.3%	$2.4M
NPOEnpro Inc	1.4%	1.7%	7,696	-0.4%	$2.4M
PSTGEverpure Inc	1.4%	0.8%	17,773	-1.1%	$2.3M
STMStmicroelectronics N V Ny Registry	1.4%	1.8%	43,088	-0.5%	$2.3M
VRTXVertex Pharmaceuticals Inc	1.4%	1.1%	4,364	+14.8%	$2.3M
PLTRPalantir Technologies Inc	1.3%	0.8%	11,517	-0.7%	$2.2M
QQQInvesco Qqq Tr	1.2%	1.1%	2,644	+0.1%	$2.0M
STRLSterling Infrastructure Inc	1.1%	1.9%	3,850	-1.5%	$1.9M
SNSharkninja Inc	1.1%	0.9%	10,057	-0.1%	$1.8M
MRKMerck & Co Inc	1.0%	0.8%	10,963	-1.0%	$1.6M
TSMTaiwan Semiconductor Manufac	0.9%	0.9%	3,407	+0.0%	$1.6M
CRWDCrowdstrike Hldgs Inc	0.9%	0.6%	5,868	+300.0%	$1.6M
XYLXylem Inc	0.9%	1.0%	14,856	-1.0%	$1.5M
HWMHowmet Aerospace Inc	0.9%	1.0%	6,580	+0.0%	$1.5M
GMGeneral Mtrs Co	0.9%	0.8%	19,186	-0.3%	$1.5M
SPYState Str Spdr S&p 500 ETF T	0.9%	0.8%	1,871	-1.2%	$1.4M
TTMITtm Technologies Inc	0.9%	1.3%	11,576	-2.6%	$1.4M
TLTIshares Tr	0.9%	1.1%	18,270	-15.6%	$1.4M
STSensata Technologies Hldg Pl	0.8%	0.9%	33,283	-2.2%	$1.4M
BABoeing Co	0.8%	0.9%	7,078	-3.7%	$1.3M
TSLATesla Inc	0.8%	0.7%	3,630	+16.3%	$1.3M
FSLRFirst Solar Inc	0.8%	1.0%	7,307	-0.2%	$1.3M
MSIMotorola Solutions Inc	0.8%	0.7%	2,865	-0.1%	$1.3M
WDSWoodside Energy Group Ltd	0.8%	0.6%	56,221	-1.5%	$1.2M
TPCTutor Perini Corp Com	0.7%	0.7%	14,643	-1.4%	$1.2M
WTSWatts Water Technologies Inc	0.7%	0.8%	3,386	+0.0%	$1.2M
ACNAccenture PLC Ireland	0.7%	—	6,331	—	$1.2M
IBMInternational Business Machs	0.7%	0.9%	5,255	-1.7%	$1.2M
NXPINxp Semiconductors N V	0.7%	0.8%	4,698	-0.6%	$1.1M
CVSCvs Health Corp	0.7%	0.8%	12,980	-1.7%	$1.1M
DIASpdr Dow Jones Indl Average	0.7%	0.6%	2,139	+0.6%	$1.1M
ABBVAbbvie Inc	0.6%	—	4,049	—	$1.1M
AMZNAmazon Com Inc	0.6%	—	4,136	—	$1.0M

What Michael J. Porro & Co. Financial Advisors, Inc. bought and sold in Q3 2026, against Q2 2026.

New positions

Q2 2026's filing was too long to tell new positions apart.

Added to

CRWD Crowdstrike Hldgs Inc+300.0% shares
NVDA Nvidia Corporation+21.3% shares
TSLA Tesla Inc+16.3% shares
VRTX Vertex Pharmaceuticals Inc+14.8% shares
BE Bloom Energy Corp+5.3% shares

Reduced

TLT Ishares Tr-15.6% shares
MSFT Microsoft Corp-5.2% shares

Left the top 50

Share counts compared with the Q2 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: —
3 years: —
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q3 2026	$165.5M	134
Q2 2026	$175.6M	139

Questions about Michael J. Porro & Co. Financial Advisors, Inc.'s portfolio

What stocks does Michael J. Porro & Co. Financial Advisors, Inc. own?

Michael J. Porro & Co. Financial Advisors, Inc.'s latest 13F, for Q3 2026 and filed Oct 16, 2026, lists 134 positions worth $165.5M. The largest are Coherent Corp (COHR) at 6.7%, Dell Technologies Inc (DELL) at 4.9%, Marvell Technology Inc (MRVL) at 3.0%, Bloom Energy Corp (BE) at 2.7% and Integer Hldgs Corp (ITGR) at 2.3%.

What did Michael J. Porro & Co. Financial Advisors, Inc. buy last quarter?

In Q3 2026, Michael J. Porro & Co. Financial Advisors, Inc. added Crowdstrike Hldgs Inc (CRWD) (+300.0% shares), Nvidia Corporation (NVDA) (+21.3% shares) and Tesla Inc (TSLA) (+16.3% shares), compared with its Q2 2026 filing.

What did Michael J. Porro & Co. Financial Advisors, Inc. sell last quarter?

In Q3 2026, Michael J. Porro & Co. Financial Advisors, Inc. cut from its top 50 Generac Hldgs Inc (GNRC), cut from its top 50 Veeco Instrs Inc Del (VECO), cut from its top 50 Proshares Tr (UYG), Ishares Tr (TLT) (-15.6% shares) and Microsoft Corp (MSFT) (-5.2% shares), compared with its Q2 2026 filing.

When is Michael J. Porro & Co. Financial Advisors, Inc.'s next 13F filing due?

13F filings are due 45 days after each quarter ends. Michael J. Porro & Co. Financial Advisors, Inc.'s filing for the quarter ending Dec 31, 2026 is due by Feb 14, 2027; this page updates the day after it is published.

How much money does Michael J. Porro & Co. Financial Advisors, Inc. manage?

Michael J. Porro & Co. Financial Advisors, Inc. reported $168.7M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $165.5M.