Quanex Building Products

NX • NYSE

Quanex Building Products is a construction company in the industrials sector on NYSE, led by David D. Petratis, with a market cap of $757.9M. As of Q3 2025, 89% of shares are held by 193 institutional investors, with BlackRock, Inc. as the largest holder at 15.93%.

Chairman, President and CEODavid D. Petratis

Market Cap$757.9M

Construction

Industrials

Employees3.8K

Websitequanex.com

Country

United States of America

Overview

Overview of institutional ownership in NX as of Q3 2025 with a market cap of $652.4M

All Institutions

Institutions: 193
Value Held: $579.1M
Shares Held: 40.6M
Avg Position: $3.0M
Median Position: $394.1K

Hedge Funds

Hedge Funds: 32
Value Held: $51.9M
Shares Held: 3.6M
Avg Position: $1.6M
Median Position: $758.2K

Ownership Breakdown

Institutional (non-HF)

80.82%

$527.2M

Hedge Funds

7.95%

$51.9M

Retail & Other

11.23%

$73.3M

Based on market cap of $652.4M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in NX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$104.0M 0.00% of portfolio	15.93% 7.3M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$72.0M 0.00% of portfolio	11.03% 5.1M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
Allspring Global Investments Holdings, LLC Long Only Manager	Francis Jon Baranko President	$46.2M 0.08% of portfolio	6.97% 3.2M shares	Q4 2021 Held for 3y 11m	$61.5B
AMERIPRISE FINANCIAL INC Institution	Jim Cracchiolo CEO	$30.7M 0.01% of portfolio	4.71% 2.2M shares	≤ Q2 2013 Held for 12y 5m+	$433.11B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$25.1M 0.00% of portfolio	3.84% 1.8M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
D DEPRINCE RACE & ZOLLO INC Long Only Manager	Jr. Victor Zollo CEO	$24.7M 0.49% of portfolio	3.78% 1.7M shares	Q3 2024 Held for 1y 2m	$5.0B
SYSTEMATIC FINANCIAL MANAGEMENT LP Long Only Manager	Kenneth Burgess CIO	$22.9M 0.56% of portfolio	3.51% 1.6M shares	Q3 2018 Held for 7y 2m	$4.1B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$22.2M 0.00% of portfolio	3.41% 1.6M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
SEGALL BRYANT & HAMILL Long Only Manager	Carolyn B Goldhaber President	$18.5M 0.25% of portfolio	2.84% 1.3M shares	Q1 2017 Held for 8y 8m	$7.5B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$15.6M 0.00% of portfolio	2.39% 1.1M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T

Net Capital Flow

Institutional buying and selling activity for NX in Q3 2025

Traded: −$22.8M
Buyers: 91
Sellers: 118
Total Bought: +$46.3M
Total Sold: −$69.1M
Avg Position: $2.5M

Biggest Buyers

Institution	Net Bought	Current Position
SYSTEMATIC FINANCIAL MANAGEMENT LP Long Only Manager	+$4.6M +325.3K shares	$22.9M 1.6M shares
M Medina Singh Partners, LLC Hedge Fund•Value	+$4.6M +323.6K shares	$4.6M 323.6K shares
Trexquant Investment LP Hedge Fund•Quant	+$3.1M +218.0K shares	$3.1M 218.0K shares
J Jump Financial, LLC Institution	+$2.6M +184.0K shares	$2.6M 184.0K shares
L LSV ASSET MANAGEMENT Long Only Manager	+$2.5M +177.9K shares	$2.9M 204.9K shares
U Universal- Beteiligungs- und Servicegesellschaft mbH Institution	+$2.4M +171.6K shares	$2.4M 171.6K shares
D D. E. Shaw & Co., Inc. Institution	+$2.1M +151.2K shares	$2.1M 151.2K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$2.0M +138.2K shares	$2.3M 158.6K shares
GOLDMAN SACHS GROUP INC Institution	+$1.6M +111.7K shares	$3.7M 261.1K shares
H HRT FINANCIAL LLC Institution	+$1.5M +102.1K shares	$2.0M 137.7K shares

Biggest Sellers

Institution	Net Sold	Current Position
A AMERICAN CENTURY COMPANIES INC Institution	−$6.5M −458.6K shares	$1.8M 126.0K shares
A Artemis Investment Management LLP Institution	−$6.3M −331.7K shares	Sold Off 0 shares
B Bastion Asset Management Inc. Institution	−$6.1M −314.6K shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$5.4M −377.4K shares	$9.3M 652.2K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$5.4M −377.1K shares	$761.8K 53.6K shares
B BlackRock, Inc. Institution	−$2.7M −192.1K shares	$104.0M 7.3M shares
S Squarepoint Ops LLC Hedge Fund•Quant	−$2.4M −168.7K shares	$1.8M 128.7K shares
Allspring Global Investments Holdings, LLC Long Only Manager	−$2.3M −159.2K shares	$46.2M 3.2M shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$2.2M −158.0K shares	$22.2M 1.6M shares
Marshall Wace LLP Institution	−$2.2M −113.8K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited NX in Q3 2025

New Positions: 11
New Value: $2.1M
Exited Positions: 37
Exited Value: $25.6M

New Positions

Institution	Position Value
CenterBook Partners LP Hedge Fund•Market Neutral	$515.6K 36.3K shares
P PharVision Advisers, LLC Hedge Fund•Long/Short	$320.5K 22.5K shares
I INCEPTIONR LLC Hedge Fund•Quant	$218.5K 15.4K shares
B Bridgefront Capital, LLC Hedge Fund•Quant	$214.6K 15.1K shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	$204.4K 14.4K shares
Verity Asset Management, Inc. RIA/Wealth	$190.1K 13.4K shares
I Inscription Capital, LLC RIA/Wealth	$186.1K 13.1K shares
T TWINBEECH CAPITAL LP Hedge Fund•Quant	$185.0K 13.0K shares
ISLAY CAPITAL MANAGEMENT, LLC RIA/Wealth	$14.5K 1.0K shares
Point72 Europe LLP Digital Asset Manager	$3.3K 235.0 shares

Exited Positions

Institution	Previous Position
A Artemis Investment Management LLP Institution	$6.3M 331.7K shares
B Bastion Asset Management Inc. Institution	$6.1M 314.6K shares
Marshall Wace LLP Institution	$2.2M 113.8K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$1.5M 80.6K shares
C Cubist Systematic Strategies, LLC Institution	$1.1M 60.5K shares
PINNACLE ASSOCIATES LTD Long Only Manager	$933.0K 49.4K shares
Magnetar Financial LLC Hedge Fund•Multi-Strategy	$838.4K 44.4K shares
C Campbell & CO Investment Adviser LLC Hedge Fund•Quant Macro	$765.0K 40.5K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$720.2K 38.1K shares
STATE OF WISCONSIN INVESTMENT BOARD RIA/Wealth	$712.4K 37.7K shares

Options Activity

Institutions with the largest Call and Put options positions in NX as of Q3 2025

Call Positions: 1
Call Value: $265.9K
Put Positions: 1
Put Value: $924.3K

Call Positions

Institution	Position Value
D D. E. Shaw & Co., Inc. Institution	$265.9K 187.0 contracts

Put Positions

Institution	Position Value
D D. E. Shaw & Co., Inc. Institution	$924.3K 650.0 contracts

Most Committed Institutions

Institutions with NX as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Villanova Investment Management Co LLC Hedge Fund•Value	Edward Anthony Trumpbour Founder	1.42% $2.0M	0.31% 144.1K shares	Q1 2025 Held for 8 months	$144.3M
M Medina Singh Partners, LLC Hedge Fund•Value	Kristofer Lee Medina Managing Partner	1.08% $4.6M	0.71% 323.6K shares	Q3 2025 Held for 2 months	$428.0M
Penn Mutual Asset Management, LLC Insurance Manager	David Michael O'Malley Chairman	0.70% $284.4K	0.04% 20.0K shares	Q2 2025 Held for 5 months	$40.7M
SYSTEMATIC FINANCIAL MANAGEMENT LP Long Only Manager	Kenneth Burgess CIO	0.56% $22.9M	3.51% 1.6M shares	Q3 2018 Held for 7y 2m	$4.1B
D DEPRINCE RACE & ZOLLO INC Long Only Manager	Jr. Victor Zollo CEO	0.49% $24.7M	3.78% 1.7M shares	Q3 2024 Held for 1y 2m	$5.0B
SEGALL BRYANT & HAMILL Long Only Manager	Carolyn B Goldhaber President	0.25% $18.5M	2.84% 1.3M shares	Q1 2017 Held for 8y 8m	$7.5B
P PharVision Advisers, LLC Hedge Fund•Long/Short	Blagovest Dimitrov Baychev CEO	0.18% $320.5K	0.05% 22.5K shares	Q3 2025 Held for 2 months	$176.9M
Numerai GP LLC Hedge Fund•Quant	Richard Malone Craib CEO	0.18% $1.3M	0.19% 89.1K shares	Q2 2025 Held for 5 months	$707.9M
C CastleKnight Management LP Hedge Fund•Event Driven	Aaron Michael Weitman CIO	0.11% $2.1M	0.32% 144.9K shares	Q3 2024 Held for 1y 2m	$1.9B
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager	John Noland Ryan Montgomery CEO	0.10% $4.8M	0.73% 334.8K shares	Q4 2016 Held for 8y 11m	$4.7B

Hedge Fund Spotlight

Discover hedge funds investing in NX

Medina Singh Partners, LLC

Hedge Fund • Value

Portfolio ManagerKristofer Lee Medina

Portfolio Value: $428.0M
Positions: 28
Last Reported: Q3 2025

Sector Allocation

Position in Quanex Building Products

Market Value: $4.6M
Shares Held: 323.6K
Portfolio Weight: 1.08%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 Aptiv APTV	Auto - Parts Consumer Cyclical	$29.8M	6.96%
2 Thermon Group Holdings THR	Industrial - Machinery Industrials	$26.4M	6.16%
3 National Presto Industries NPK	Aerospace & Defense Industrials	$23.4M	5.47%