Stocks/Funds/CIK 1714267

THAMES CAPITAL MANAGEMENT LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1714267
Assets
$558M
+114.2% YoY
Holdings
43
Lifetime alpha vs market
+17.00% annual
Average hold time
2.1 yr
median 1.0 yr

Quarterly history

Cum return +185% vs S&P +52% · α +133% lifetimeAUM $558M · peak $689MFlow $-187M (-27%)2017-122019-032020-062021-092022-122024-032025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-9.63%
trims when stocks drop
when a holding falls −10%+
Middle response
-4.64%
baseline attrition
Rally response
-4.45%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
GEVGE Vernova Inc.$44M7.9%+186.8%2.0 yr
VRTVertiv Holdings Co$41M7.4%+247.5%6.3 yr
TSMTaiwan Semiconductor Man$26M4.7%+105.6%1.8 yr
NVDANVIDIA Corporation$20M3.6%+60.9%5.5 yr
HUT.TOHut 8 Mining Corp.$20M3.6%+290.2%0.8 yr
AGXArgan, Inc.$20M3.6%+318.5%1.3 yr
APHAmphenol Corporation$18M3.3%+93.6%6.8 yr
FNFabrinet$18M3.2%+164.0%0.5 yr
GEGE Aerospace$18M3.2%+42.5%2.8 yr
MAMastercard Incorporated$17M3.1%-8.5%8.5 yr
STTState Street Corporation$17M3.1%+44.6%1.0 yr
MUMicron Technology, Inc.$17M3.0%+289.6%2.8 yr
AAPLApple Inc.$16M2.8%+14.7%6.3 yr
MKSIMKS Inc.$16M2.8%+188.8%0.3 yr
ONDSOndas Holdings Inc.$15M2.6%+744.9%0.8 yr

Portfolio composition (YoY)

Industry mix
Hardware, Equipment & Parts15.6%+9.5pp$87M
Semiconductors15.0%+9.6pp$83M
Electrical Equipment & Parts11.2%+6.8pp$63M
Engineering & Construction9.8%$54M
Renewable Utilities7.9%+1.5pp$44M
Financial - Capital Markets6.5%+5.2pp$36M
Financial - Credit Services5.6%-7.8pp$31M
Asset Management5.1%$28M
Communication Equipment4.2%$23M
Internet Content & Information3.8%-7.6pp$21M
Country
US84.5%-8.3pp
TW4.7%+3.8pp
CA4.6%
KY3.2%
LU1.3%-4.6pp
HK0.9%
AU0.9%
Top 5: 27.2% · Top 10: 43.5% · Top 25: 81.7%

Winners

TickerPrev $PnLYoY %
GEV$17M+0.03B186.8%
VRT$12M+0.03B247.5%
APH$9M+0.01B93.6%
NVDA$10M+0.01B60.9%
GE$12M+0.01B42.5%

Losers

TickerPrev $PnLYoY %
V$16M-0.00B-13.1%
SPOT$15M-0.00B-11.8%
MA$19M-0.00B-8.5%
META$15M-0.00B-0.4%

Top buys this quarter · 15

MKSI MKS Inc.new+$16M
DOCN DigitalOcean Holdings, Inc.new+$13M
AEIS Advanced Energy Industries, Innew+$12M
FN Fabrinet+$9M
LITE Lumentum Holdings Inc.new+$9M
AAOI Applied Optoelectronics, Inc.new+$6M
SIMO Silicon Motion Technology Corpnew+$5M
MTSI MACOM Technology Solutions Holnew+$4M
BKD Brookdale Senior Living Inc.+$3M
JBL Jabil Inc.new+$2M

Top sells this quarter · 15

AXP American Express Companyexit$24M
CE Celanese Corporationexit$22M
URI United Rentals, Inc.exit$20M
C Citigroup Inc.exit$17M
MSFT Microsoft Corporationexit$17M
STT State Street Corporation$16M
EVR Evercore Inc.exit$14M
IREN IREN Limited$13M
STRL Sterling Infrastructure, Inc.$12M
ASH Ashland Inc.exit$10M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$558M43+84.26%+17.59%+66.67%-0.19B
2025-12-31$688M48+61.21%+17.72%+43.49%-0.03B
2025-09-30$689M56+65.17%+17.52%+47.65%+0.13B
2025-06-30$441M43+41.19%+14.94%+26.25%+0.11B
2025-03-31$260M28+12.69%+8.30%+4.39%-0.09B
2024-12-31$369M37+42.60%+24.89%+17.71%+0.02B
2024-09-30$321M38+51.54%+36.04%+15.51%+0.05B
2024-06-30$255M25+34.16%+24.49%+9.67%+0.01B
2024-03-31$240M24+46.74%+29.62%+17.11%+0.01B
2023-12-31$194M24+32.57%+26.18%+6.39%-0.01B
2023-09-30$175M25+24.57%+21.57%+3.01%-0.00B
2023-06-30$188M24+26.21%+19.42%+6.78%+0.03B
2023-03-31$142M19-6.43%-7.82%+1.39%-0.09B
2022-12-31$211M24+7.16%+7.56%-0.40%-0.01B
2022-09-30$201M27-3.10%-4.93%+1.83%-0.04B
2022-06-30$249M24-16.80%-16.11%-0.69%-0.15B