David A. Siegel Specialty Industrial Machinery

Two Sigma Advisers, LP

$42.8 Billion
Q1 2025

Stock List

Stock	Market Cap.	Holding Value (Reported)	# of Shares.	Last Trade
AME Ametek Inc	$41.3B	$62.6 Million 0.15% of portfolio	363,400	Q1 2025 Added 15.77%
IEX Idex Corp	$14B	$47.3 Million 0.11% of portfolio	261,400	Q1 2025 Reduced 17.49%
CR Crane Holdings, Co.	$10.7B	$39.4 Million 0.09% of portfolio	256,900	Q1 2025 Added 49.8%
ROK Rockwell Automation, Inc	$41.4B	$29.8 Million 0.07% of portfolio	115,500	Q1 2025 Added 12.14%
GGG Graco Inc	$14.3B	$29.1 Million 0.07% of portfolio	348,600	Q1 2025 Added 3,284.47%
GTES Gates Industrial Corp PLC	$7.14B	$10.6 Million 0.02% of portfolio	578,336	Q1 2025 Reduced 52.31%
PSN Parsons Corp	$7.82B	$9.6 Million 0.02% of portfolio	162,145	Q1 2025 Reduced 9.16%
ROP Roper Technologies Inc	$59.7B	$9.32 Million 0.02% of portfolio	15,800	Q1 2025 New
SMR Nuscale Power Corp	$2.2B	$9.1 Million 0.02% of portfolio	642,836	Q1 2025 Added 471.23%
OTIS Otis Worldwide Corp	$37.4B	$8.16 Million 0.02% of portfolio	79,100	Q1 2025 New
WTS Watts Water Technologies Inc	$6.88B	$4.08 Million 0.01% of portfolio	20,000	Q1 2025 Added 545.16%
PNR Pentair PLC	$17B	$3.98 Million 0.01% of portfolio	45,500	Q1 2025 Reduced 69.61%
FLS Flowserve Corp	$7.1B	$3.49 Million 0.01% of portfolio	71,400	Q1 2025 Reduced 11.41%
HLIO Helios Technologies, Inc.	$1.22B	$2.91 Million 0.01% of portfolio	90,700	Q1 2025 Added 7.59%
MWA Mueller Water Products, Inc.	$3.88B	$2.7 Million 0.01% of portfolio	106,200	Q1 2025 Reduced 78.27%
BLDP Ballard Power Systems Inc.	$626M	$2.49 Million 0.01% of portfolio	2,266,300	Q1 2025 Added 132.42%
TNC Tennant CO	$1.53B	$2.19 Million 0.01% of portfolio	27,500	Q1 2025 Reduced 24.45%
DOV Dover Corp	$26.2B	$2.06 Million 0.0% of portfolio	11,700	Q1 2025 Reduced 91.86%
GNRC Generac Holdings Inc.	$10B	$1.77 Million 0.0% of portfolio	14,000	Q1 2025 New
GRC Gorman Rupp CO	$988M	$1.75 Million 0.0% of portfolio	49,940	Q1 2025 Reduced 12.45%
AOS Smith A O Corp	$9.14B	$1.4 Million 0.0% of portfolio	21,400	Q1 2025 Reduced 46.5%
SPXC Spx Corp	$7.93B	$1.06 Million 0.0% of portfolio	8,200	Q1 2025 New
LXFR Luxfer Holdings PLC	$325M	$846,000 0.0% of portfolio	71,400	Q1 2025 Reduced 30.81%
ITT Itt Inc.	$13.4B	$762,000 0.0% of portfolio	5,900	Q1 2025 Added 20.41%
CMI Cummins Inc	$52.1B	$615,000 0.0% of portfolio	1,964	Q1 2025 New
PSIX Power Solutions International, Inc.	$2.08B	$525,000 0.0% of portfolio	20,800	Q1 2025 New
ITW Illinois Tool Works Inc	$80.4B	$520,000 0.0% of portfolio	2,100	Q1 2025 New
PKOH Park Ohio Holdings Corp	$222M	$480,000 0.0% of portfolio	22,247	Q1 2025 Added 6.72%
THR Thermon Group Holdings, Inc.	$937M	$469,000 0.0% of portfolio	16,862	Q1 2025 Reduced 45.89%
NPO Enpro Industries, Inc	$4.29B	$307,000 0.0% of portfolio	1,900	Q1 2025 Reduced 20.83%
OFLX Omega Flex, Inc.	$345M	$278,000 0.0% of portfolio	8,000	Q1 2025 Added 3.9%
EPAC Enerpac Tool Group Corp	$2.13B	$242,000 0.0% of portfolio	5,400	Q1 2025 Reduced 33.33%
CSWI Csw Industrials, Inc.	$4.52B	$204,000 0.0% of portfolio	700	Q1 2025 New

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David A. Siegel

David A. Siegel is the co-founder and CEO of Two Sigma Advisers, a successful investment firm that uses technology and data-driven approaches to investing. Siegel is known for his expertise in quantitative investing and his innovative approach to investing. He has generated strong returns for his clients over the long term.

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