Stocks/Funds/CIK 1443689

Senator Investment Group LP

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1443689
Assets
$2.18B
+15.6% YoY
Holdings
59
Lifetime alpha vs market
+12.81% annual
Average hold time
1.9 yr
median 1.3 yr

Quarterly history

Cum return +417% vs S&P +136% · α +281% lifetimeAUM $2.2B · peak $10.1BFlow $-201M (-8%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-20.61%
trims when stocks drop
when a holding falls −10%+
Middle response
-6.41%
baseline attrition
Rally response
-17.04%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
NVDANVIDIA Corporation$144M6.6%+60.9%3.0 yr
UALUnited Airlines Holdings$132M6.0%+33.3%2.3 yr
AMZNAmazon.com, Inc.$127M5.8%+9.5%7.0 yr
MSFTMicrosoft Corporation$99M4.5%-0.6%3.8 yr
TSMTaiwan Semiconductor Man$89M4.1%+105.6%2.3 yr
BAThe Boeing Company$88M4.0%+16.7%3.8 yr
WBDWarner Bros. Discovery, $84M3.8%+155.9%1.3 yr
DHRDanaher Corporation$82M3.8%-7.1%4.3 yr
WWDWoodward, Inc.$81M3.7%+97.0%1.3 yr
VVisa Inc.$77M3.5%-13.1%5.0 yr
METAMeta Platforms, Inc.$76M3.5%-0.4%7.3 yr
VRTVertiv Holdings Co$65M3.0%+247.5%5.5 yr
SNSharkNinja, Inc.$59M2.7%+27.0%0.8 yr
AVGOBroadcom Inc.$58M2.7%+86.0%0.8 yr
CVNACarvana Co.$58M2.7%+50.4%2.3 yr

Portfolio composition (YoY)

Industry mix
Semiconductors14.4%+8.9pp$313M
Aerospace & Defense9.7%+4.8pp$211M
Unknown7.4%+3.1pp$160M
Airlines, Airports & Air Services6.0%-5.6pp$132M
Specialty Retail5.8%+3.0pp$127M
Software - Infrastructure4.5%-4.8pp$99M
Electrical Equipment & Parts4.5%+4.4pp$97M
Asset Management4.1%-1.6pp$89M
Entertainment3.8%$84M
Medical - Diagnostics & Research3.8%+1.6pp$82M
Country
US83.7%-10.1pp
Unknown7.4%+3.1pp
TW4.3%+2.4pp
CA1.8%+1.8pp
BR1.6%
LU0.8%
IE0.4%
GB0.1%+0.0pp
Top 5: 27.1% · Top 10: 46.0% · Top 25: 78.6%

Winners

TickerPrev $PnLYoY %
UAL$219M+0.07B33.3%
CVNA$86M+0.04B50.4%
TSM$35M+0.04B105.6%
AVGO$30M+0.03B86.0%
NVDA$39M+0.02B60.9%

Losers

TickerPrev $PnLYoY %
APO$42M-0.01B-17.4%
DHR$41M-0.00B-7.1%
MSFT$66M-0.00B-0.6%
META$59M-0.00B-0.4%

Top buys this quarter · 15

BA The Boeing Company+$82M
NVDA NVIDIA Corporation+$56M
DHR Danaher Corporation+$50M
AMZN Amazon.com, Inc.+$37M
META Meta Platforms, Inc.+$34M
AEIS Advanced Energy Industries, Innew+$32M
LHX L3Harris Technologies, Inc.new+$31M
MSFT Microsoft Corporation+$30M
V Visa Inc.+$26M
AMAT Applied Materials, Inc.new+$22M

Top sells this quarter · 15

PFE Pfizer Inc.$386M
UAL United Airlines Holdings, Inc.$156M
C Citigroup Inc.$133M
COF Capital One Financial Corporatexit$86M
WWD Woodward, Inc.$81M
CVS CVS Health Corporation$77M
SSNC SS&C Technologies Holdings, Inexit$70M
UNP Union Pacific Corporationexit$67M
TECK Teck Resources Limited$46M
GE GE Aerospaceexit$43M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$2.18B59+41.35%+17.59%+23.76%-0.20B
2025-12-31$2.48B58+41.25%+17.72%+23.53%-0.36B
2025-09-30$2.70B59+41.34%+17.52%+23.82%-0.12B
2025-06-30$2.59B54+41.85%+14.94%+26.91%+0.17B
2025-03-31$1.88B51+16.18%+8.30%+7.88%-1.37B
2024-12-31$3.40B66+37.53%+24.89%+12.64%+1.17B
2024-09-30$2.11B62+47.37%+36.04%+11.34%-0.13B
2024-06-30$2.05B70+37.21%+24.49%+12.71%-0.26B
2024-03-31$2.19B65+50.52%+29.62%+20.90%-0.44B
2023-12-31$2.33B67+42.21%+26.18%+16.03%+0.34B
2023-09-30$1.76B51+34.04%+21.57%+12.47%-0.47B
2023-06-30$2.19B49+24.97%+19.42%+5.55%+0.12B
2023-03-31$1.80B41-6.68%-7.82%+1.14%+0.64B
2022-12-31$1.08B40-14.80%-18.17%+3.38%-0.07B
2022-09-30$1.08B48-3.37%-15.51%+12.14%-0.25B
2022-06-30$1.40B54-13.80%-16.11%+2.31%-1.36B