Sigma Planning Corp

RIA/Wealth

Sigma Planning Corp is a RIA/Wealth based in Ann Arbor, MI led by Jerome Stanley Rydell, reporting $5.7B in AUM as of Q3 2025 with 56% ETF concentration.

CEOJerome Stanley Rydell

Portfolio Value: $3.5B
Positions: 1,264
Top Holding: IVV at 5.63%
Last Reported: Q3 2025

Address300 Parkland Plaza, Ann Arbor, MI, 48103, United States

Top Holdings

Largest long holdings in Sigma Planning Corp's portfolio (26.1% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 iShares Core S&P 500 ETF IVV	ETF ETF	$196.1M	5.63%	-$10.0M Sold	— 293.0K shares	Q4 2014 Held for 10y 11m
2 Apple AAPL	Consumer Electronics Technology	$159.4M	4.58%	-$6.5M Sold	0.00% 626.1K shares	Q4 2014 Held for 10y 11m
3 Nvidia NVDA	Semiconductors Technology	$124.7M	3.58%	-$4.5M Sold	0.00% 668.2K shares	Q3 2015 Held for 10y 2m
4 Amazon AMZN	Specialty Retail Consumer Cyclical	$78.2M	2.24%	+$1.9M Bought	0.00% 356.0K shares	Q4 2014 Held for 10y 11m
5 Invesco QQQ Trust QQQ	ETF ETF	$71.3M	2.05%	-$8.2M Sold	— 118.8K shares	Q4 2014 Held for 10y 11m
6 Microsoft MSFT	Software - Infrastructure Technology	$69.8M	2.00%	-$406.1K Sold	0.00% 134.7K shares	Q4 2014 Held for 10y 11m
7 SPDR S&P 500 ETF Trust SPY	ETF ETF	$58.0M	1.67%	-$1.7M Sold	— 87.1K shares	Q4 2014 Held for 10y 11m
8 iShares S&P 500 Growth ETF IVW	ETF ETF	$52.1M	1.49%	+$397.5K Bought	— 431.2K shares	Q4 2014 Held for 10y 11m
9 iShares Core Dividend Growth DGRO	ETF ETF	$51.3M	1.47%	-$2.5M Sold	— 753.4K shares	Q2 2015 Held for 10y 5m
10 Vanguard S&P 500 ETF VOO	ETF ETF	$48.8M	1.40%	-$13.4M Sold	— 79.8K shares	Q4 2014 Held for 10y 11m

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Sigma Planning Corp's latest filing

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Market Value

$3.5B

Prior: $3.3B

Q/Q Change

+5.15%

+$170.6M

Net Flows % of MV

-3.04%

Turnover Ratio

6.9%

New Purchases

71 stocks

$36.4M

Added To

499 stocks

+$139.7M

Sold Out Of

99 stocks

$42.3M

Reduced Holdings

600 stocks

-$239.9M

Increased Positions

Position	Shares Δ	Change
1 Iris Energy IREN	New	0 → 45.4K +$2.1M
2 PLTM GraniteShares Platinum PLTM	New	0 → 107.0K +$1.6M
3 First Trust Innovation Leaders ILDR	New	0 → 41.2K +$1.3M
4 Opendoor Technologies Inc OPEN	New	0 → 158.2K +$1.3M
5 Ouster OUST	New	0 → 41.4K +$1.1M

Decreased Positions

Position	Shares Δ	Change
1 iShares MSCI Emerging Markets ex China EMXC	Sold	23.6K → 0 −$1.5M
2 TG Therapeutics TGTX	Sold	35.2K → 0 −$1.3M
3 IBTI iShares iBonds Dec 2028 Term Treasury IBTI	Sold	55.6K → 0 −$1.2M
4 iShares iBonds Dec 2028 Term Corporate IBDT	Sold	48.6K → 0 −$1.2M
5 iShares iBonds Dec 2027 Term Corporate ETF IBDS	Sold	50.2K → 0 −$1.2M

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Analytics

Portfolio insights and performance metrics for Sigma Planning Corp

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Sector Allocation

ETF

55.70%

Technology

15.90%

Financial Services

4.40%

Consumer Cyclical

4.30%

Industrials

3.50%

Communication Services

3.30%

Healthcare

2.80%

Consumer Defensive

2.20%

Utilities

1.50%

Energy

1.40%

Real Estate

0.80%

Basic Materials

0.50%

Market Cap Distribution

Mega Cap (> $200B)

25.46%

Large Cap ($10B - $200B)

12.70%

Mid Cap ($2B - $10B)

1.56%

Small Cap ($300M - $2B)

0.67%

Micro Cap ($50M - $300M)

0.02%

Nano Cap (< $50M)

0.10%

N/A (ETF or Unknown)

59.49%

Portfolio Concentration

Top 10 Holdings %

26.11%

Top 20 Holdings %

33.91%

Top 50 Holdings %

46.84%

Top 100 Holdings %

59.08%