Stocks/Funds/CIK 1533421

Tower Research Capital LLC (TRC)

index-like (500+ pos)market makerlong-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1533421
Assets
$3.84B
+14.6% YoY
Holdings
5,068
Lifetime alpha vs market
-2.42% annual
Average hold time
5.8 yr
median 6.5 yr

Quarterly history

Cum return +190% vs S&P +272% · α -83% lifetimeAUM $3.8B · peak $10.5BFlow $-127M (-3%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-17.51%
trims when stocks drop
when a holding falls −10%+
Middle response
-14.89%
baseline attrition
Rally response
-12.96%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
QQQInvesco QQQ Trust, Serie$140M3.6%8.0 yr
SOXLDirexion Daily Semicondu$114M3.0%9.8 yr
AAPLApple Inc.$112M2.9%+14.7%10.3 yr
MSFTMicrosoft Corporation$94M2.4%-0.6%10.5 yr
MUMicron Technology, Inc.$91M2.4%+289.6%9.5 yr
TSLATesla, Inc.$69M1.8%+43.4%8.8 yr
NVDANVIDIA Corporation$66M1.7%+60.9%10.3 yr
AVGOBroadcom Inc.$55M1.4%+86.0%8.0 yr
GOOGLAlphabet Inc.$49M1.3%10.0 yr
AGGiShares Core U.S. Aggreg$40M1.0%8.8 yr
SPYState Street SPDR S&P 50$35M0.9%+17.6%10.3 yr
PPHVanEck Pharmaceutical ET$32M0.8%8.8 yr
AMZNAmazon.com, Inc.$31M0.8%+9.5%10.0 yr
JPMJPMorgan Chase & Co.$29M0.8%+21.8%10.0 yr
METAMeta Platforms, Inc.$28M0.7%-0.4%9.5 yr

Portfolio composition (YoY)

Industry mix
Asset Management26.0%+2.9pp$999M
Semiconductors9.8%+3.7pp$378M
Software - Infrastructure3.7%-1.6pp$143M
Consumer Electronics3.0%-0.8pp$115M
Internet Content & Information2.9%-1.8pp$111M
Drug Manufacturers - General2.8%+0.2pp$106M
Oil & Gas Integrated2.5%+0.4pp$97M
Asset Management - Bonds2.5%+1.5pp$96M
Software - Application2.2%-0.2pp$83M
Auto - Manufacturers2.0%+0.4pp$75M
Country
US90.0%-2.6pp
GB4.2%+2.7pp
Unknown1.2%-0.0pp
CA1.1%-0.9pp
NL0.9%+0.6pp
IE0.6%-0.1pp
BE0.3%+0.2pp
FR0.2%+0.2pp
Top 5: 14.3% · Top 10: 21.6% · Top 25: 31.7%

Winners

TickerPrev $PnLYoY %
NVDA$99M+0.06B60.9%
AVGO$48M+0.04B86.0%
GOOG$35M+0.03B84.3%
XOM$42M+0.02B47.6%
AAPL$126M+0.02B14.7%

Losers

TickerPrev $PnLYoY %
MSFT$135M-0.00B-0.6%
META$70M-0.00B-0.4%

Top buys this quarter · 15

MU Micron Technology, Inc.+$57M
SPY State Street SPDR S&P 500 ETF +$35M
SHEL Shell plc+$19M
AZN AstraZeneca PLCnew+$16M
SNDK Sandisk Corporation+$11M
CVX Chevron Corporation+$11M
GSK GSK plc+$8M
TOTB.DE TotalEnergies SE+$7M
XOM Exxon Mobil Corporation+$7M
TSLA Tesla, Inc.+$69M

Top sells this quarter · 15

NVDA NVIDIA Corporation$99M
AAPL Apple Inc.$90M
AMZN Amazon.com, Inc.$72M
GOOG Alphabet Inc.$56M
META Meta Platforms, Inc.$45M
MSFT Microsoft Corporation$32M
AMD Advanced Micro Devices, Inc.$29M
AVGO Broadcom Inc.$23M
EQNR Equinor ASA$16M
COST Costco Wholesale Corporation$14M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$3.84B5068+18.80%+17.59%+1.21%-0.13B
2025-12-31$4.13B5100+16.65%+17.72%-1.07%+0.46B
2025-09-30$3.62B5177+17.09%+17.52%-0.43%-0.42B
2025-06-30$3.70B5224+13.65%+14.94%-1.29%-0.04B
2025-03-31$3.36B5108+3.90%+8.30%-4.41%-1.40B
2024-12-31$5.04B5647+17.92%+24.89%-6.97%+1.19B
2024-09-30$3.78B5653+29.39%+36.04%-6.65%-2.50B
2024-06-30$5.92B5616+16.40%+24.49%-8.09%+1.69B
2024-03-31$4.15B5793+22.45%+29.62%-7.17%-4.53B
2023-12-31$8.09B5863+22.34%+26.18%-3.84%+4.53B
2023-09-30$3.20B5903+9.43%+21.57%-12.13%+0.35B
2023-06-30$2.99B5963+2.40%+19.42%-17.02%-0.38B
2023-03-31$3.14B5723-25.09%-7.82%-17.27%+0.56B
2022-12-31$2.41B5804-33.34%-18.17%-15.16%-3.73B
2022-09-30$6.16B5986-25.82%-15.51%-10.32%+2.18B
2022-06-30$4.45B6002-16.39%-10.62%-5.77%-3.75B