Tower Research Capital LLC

Tower Research Capital LLC is an institution, managing $3.6B across 5,109 long positions as of Q3 2025 with 38% ETF concentration.

Portfolio Value: $3.6B
Positions: 5,109
Top Holding: SPY at 11.88%
Last Reported: Q3 2025

Top Holdings

Largest long holdings in Tower Research Capital LLC's portfolio (27.2% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 SPDR S&P 500 ETF Trust SPY	ETF ETF	$425.4M	11.88%	+$263.6M Bought	— 638.5K shares	≤ Q2 2013 Held for 12y 5m+
2 Nvidia NVDA	Semiconductors Technology	$107.9M	3.01%	-$29.5M Sold	0.00% 578.5K shares	≤ Q2 2013 Held for 12y 5m+
3 Microsoft MSFT	Software - Infrastructure Technology	$97.9M	2.73%	-$46.9M Sold	0.00% 188.9K shares	≤ Q2 2013 Held for 12y 5m+
4 Apple AAPL	Consumer Electronics Technology	$74.0M	2.07%	-$52.1M Sold	0.00% 290.7K shares	≤ Q2 2013 Held for 12y 5m+
5 Amazon AMZN	Specialty Retail Consumer Cyclical	$49.9M	1.39%	-$23.9M Sold	0.00% 227.0K shares	Q1 2016 Held for 9y 8m
6 iShares 1-3 Year Treasury Bond SHY	ETF ETF	$46.7M	1.30%	+$46.5M Bought	— 562.4K shares	Q3 2023 Held for 2y 2m
7 Meta Platforms, Inc. META	Internet Content & Information Communication Services	$45.1M	1.26%	+$921.6K Bought	0.00% 61.4K shares	Q3 2013 Held for 12y 2m
8 Broadcom Inc. AVGO	Semiconductors Technology	$42.6M	1.19%	+$153.7K Bought	0.00% 129.1K shares	≤ Q2 2013 Held for 12y 5m+
9 Invesco QQQ Trust QQQ	ETF ETF	$42.1M	1.18%	-$41.9M Sold	— 70.1K shares	Q3 2015 Held for 10y 2m
10 Direxion Daily Semiconductor Bull 3X Shares SOXL	ETF ETF	$40.9M	1.14%	+$21.0M Bought	— 1.2M shares	Q4 2014 Held for 10y 11m

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Tower Research Capital LLC's latest filing

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Market Value

$3.6B

Prior: $3.7B

Q/Q Change

-3.28%

-$121.6M

Net Flows % of MV

-16.92%

Turnover Ratio

42.36%

New Purchases

118 stocks

$36.8M

Added To

1,541 stocks

+$1.1B

Sold Out Of

570 stocks

$139.8M

Reduced Holdings

3,026 stocks

-$1.6B

Increased Positions

Position	Shares Δ	Change
1 PIMCO Senior Loan Active Exchange-Traded Fund LONZ	New	0 → 137.4K +$7.0M
2 Invesco BulletShares 2026 High Yield Corporate Bond BSJQ	New	0 → 277.5K +$6.5M
3 EVLN Eaton Vance Floating-Rate ETF EVLN	New	0 → 62.7K +$3.1M
4 Invesco BulletShares 2027 High Yield Corporate Bond BSJR	New	0 → 128.4K +$2.9M
5 IBTP iShares iBonds Dec 2034 Term Treasury IBTP	New	0 → 89.5K +$2.3M

Decreased Positions

Position	Shares Δ	Change
1 Vanguard S&P 500 ETF VOO	Sold	41.5K → 0 −$23.6M
2 Roundhill Magnificent Seven MAGS	Sold	127.6K → 0 −$7.1M
3 iShares Russell 3000 IWV	Sold	20.1K → 0 −$7.0M
4 Invesco S&P 500 Momentum SPMO	Sold	52.2K → 0 −$5.9M
5 iShares S&P 100 OEF	Sold	16.4K → 0 −$5.0M

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Analytics

Portfolio insights and performance metrics for Tower Research Capital LLC

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Sector Allocation

ETF

37.90%

Technology

17.80%

Financial Services

6.10%

Consumer Cyclical

5.70%

Communication Services

5.30%

Healthcare

4.90%

Industrials

4.80%

Consumer Defensive

2.80%

Real Estate

1.90%

Energy

1.80%

Utilities

1.60%

Basic Materials

1.50%

Market Cap Distribution

Mega Cap (> $200B)

22.34%

Large Cap ($10B - $200B)

24.34%

Mid Cap ($2B - $10B)

5.75%

Small Cap ($300M - $2B)

1.73%

Micro Cap ($50M - $300M)

0.25%

Nano Cap (< $50M)

0.25%

N/A (ETF or Unknown)

45.34%

Portfolio Concentration

Top 10 Holdings %

27.15%

Top 20 Holdings %

34.08%

Top 50 Holdings %

45.61%

Top 100 Holdings %

56.88%