Mine Safety Appliances Company

MSA • NYSE

Mine Safety Appliances Company is a security & protection services company in the industrials sector on NYSE, led by Steven C. Blanco, with a market cap of $6.4B. As of Q3 2025, 89% of shares are held by 391 institutional investors, with VANGUARD GROUP INC as the largest holder at 9.48%.

Chief Executive OfficerSteven C. Blanco

Market Cap$6.4B

Security & Protection Services

Industrials

Employees5.1K

Websitemsasafety.com

Country

United States of America

Overview

Overview of institutional ownership in MSA as of Q3 2025 with a market cap of $6.7B

All Institutions

Institutions: 391
Value Held: $6.0B
Shares Held: 34.9M
Avg Position: $15.3M
Median Position: $818.7K

Hedge Funds

Hedge Funds: 25
Value Held: $109.3M
Shares Held: 635.8K
Avg Position: $4.4M
Median Position: $1.4M

Ownership Breakdown

Institutional (non-HF)

86.94%

$5.9B

Hedge Funds

1.62%

$109.3M

Retail & Other

11.44%

$770.3M

Based on market cap of $6.7B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in MSA as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$638.4M 0.01% of portfolio	9.48% 3.7M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$549.2M 0.01% of portfolio	8.15% 3.2M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
Ruane, Cunniff & Goldfarb L.P. Long Only Manager	John Brooks Harris Managing Partner	$293.4M 4.86% of portfolio	4.36% 1.7M shares	Q2 2025 Held for 5 months	$6.0B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$285.8M 0.01% of portfolio	4.24% 1.7M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$260.3M 0.02% of portfolio	3.86% 1.5M shares	Q4 2015 Held for 9y 11m	$1.56T
C Champlain Investment Partners, LLC Long Only Manager	Judith Wilkinson O'Connell CEO	$253.4M 1.91% of portfolio	3.76% 1.5M shares	Q3 2017 Held for 8y 2m	$13.3B
A APG All Pensions Group NV Institution	-	$240.3M 0.67% of portfolio	4.19% 1.6M shares	Q4 2019 Held for 5y 11m	$35.6B
COOKE & BIELER LP Long Only Manager	Edward W O'Connor Partner	$141.9M 1.47% of portfolio	2.11% 824.6K shares	Q2 2024 Held for 1y 5m	$9.7B
T T. Rowe Price Investment Management, Inc. Insurance Manager	John Edward Robison President	$132.2M 0.08% of portfolio	1.96% 768.5K shares	Q3 2022 Held for 3y 2m	$161.58B
Conestoga Capital Advisors, LLC Long Only Manager	Joseph Francis Monahan Partner	$132.1M 2.12% of portfolio	1.96% 767.6K shares	Q4 2023 Held for 1y 11m	$6.2B

Net Capital Flow

Institutional buying and selling activity for MSA in Q3 2025

Traded: −$131.3M
Buyers: 170
Sellers: 177
Total Bought: +$458.6M
Total Sold: −$589.9M
Avg Position: $14.2M

Biggest Buyers

Institution	Net Bought	Current Position
Ruane, Cunniff & Goldfarb L.P. Long Only Manager	+$130.1M +756.2K shares	$293.4M 1.7M shares
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	+$57.0M +331.5K shares	$58.2M 338.4K shares
J JANE STREET GROUP, LLC Institution	+$47.8M +278.0K shares	$47.8M 278.0K shares
FRANKLIN RESOURCES INC Institution	+$23.3M +135.5K shares	$23.3M 135.5K shares
ALLIANCEBERNSTEIN L.P. Long Only Manager	+$23.1M +134.0K shares	$31.5M 182.9K shares
SCHRODER INVESTMENT MANAGEMENT GROUP RIA/Wealth	+$19.8M +115.9K shares	$54.8M 320.2K shares
F FIDUCIARY MANAGEMENT INC /WI/ Long Only Manager	+$18.2M +105.9K shares	$109.1M 634.2K shares
A ALPS ADVISORS INC ETF Provider	+$15.3M +88.8K shares	$15.3M 88.8K shares
N NICOLA WEALTH MANAGEMENT LTD. RIA/Wealth	+$12.5M +72.4K shares	$12.5M 72.4K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$10.8M +62.5K shares	$10.8M 62.5K shares

Biggest Sellers

Institution	Net Sold	Current Position
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	−$129.8M −754.5K shares	$67.7M 393.2K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$58.0M −337.1K shares	$30.3M 176.1K shares
JPMORGAN CHASE & CO Institution	−$50.8M −295.5K shares	$260.3M 1.5M shares
C Champlain Investment Partners, LLC Long Only Manager	−$33.6M −195.3K shares	$253.4M 1.5M shares
A APG All Pensions Group NV Institution	−$33.1M −225.7K shares	$240.3M 1.6M shares
GEODE CAPITAL MANAGEMENT LLC ETF Provider	−$31.6M −183.8K shares	$111.9M 650.1K shares
B BlackRock, Inc. Institution	−$31.4M −182.6K shares	$549.2M 3.2M shares
B BROWN ADVISORY INC RIA/Wealth	−$20.0M −116.4K shares	$44.3M 257.4K shares
MOUNTAIN PACIFIC INVESTMENT ADVISERS INC/ID RIA/Wealth	−$19.0M −110.3K shares	$4.7M 27.0K shares
VANGUARD GROUP INC Institution	−$16.5M −96.1K shares	$638.4M 3.7M shares

Entry and Exit Activity

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

New Positions: 16
New Value: $15.9M
Exited Positions: 25
Exited Value: $22.4M

New Positions

Institution	Position Value
N NICOLA WEALTH MANAGEMENT LTD. RIA/Wealth	$12.5M 72.4K shares
We Are One Seven, LLC RIA/Wealth	$531.7K 3.1K shares
Catalytic Wealth RIA, LLC RIA/Wealth	$517.8K 3.0K shares
G GTS SECURITIES LLC Institution	$470.1K 2.7K shares
Q Quantessence Capital LLC Hedge Fund•Quant	$410.7K 2.4K shares
P Polymer Capital Management LTD Hedge Fund•Multi-Strategy	$380.3K 2.2K shares
KEYBANK NATIONAL ASSOCIATION/OH RIA/Wealth	$375.5K 2.2K shares
Kovitz Investment Group Partners, LLC RIA/Wealth	$298.6K 1.7K shares
E EVERGREEN CAPITAL MANAGEMENT LLC Institution	$209.9K 1.2K shares
Sequoia Financial Advisors, LLC RIA/Wealth	$202.7K 1.2K shares

Exited Positions

Institution	Previous Position
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$6.7M 39.8K shares
Q Qube Research & Technologies Ltd Institution	$3.4M 20.1K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$2.9M 17.5K shares
Vident Advisory, LLC ETF Provider	$1.6M 9.6K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$1.4M 8.4K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$1.2M 7.4K shares
MARTINGALE ASSET MANAGEMENT L P Long Only Manager	$667.9K 4.0K shares
D D. E. Shaw & Co., Inc. Institution	$643.5K 3.8K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	$636.6K 3.8K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	$632.6K 3.8K shares

Options Activity

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

Call Positions: 2
Call Value: $1.0M
Put Positions: 1
Put Value: $2.4M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$671.1K 39.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$344.1K 20.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$2.4M 140.0 contracts

Most Committed Institutions

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

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Ruane, Cunniff & Goldfarb L.P. Long Only Manager	John Brooks Harris Managing Partner	4.86% $293.4M	4.36% 1.7M shares	Q2 2025 Held for 5 months	$6.0B
P P2 Capital Partners, LLC Hedge Fund•Value	Claus Jorgen Moller CEO	4.82% $23.5M	0.35% 136.3K shares	Q2 2025 Held for 5 months	$486.7M
W Watch Point Trust Co Institution	-	4.41% $59.8M	0.89% 347.6K shares	Q4 2023 Held for 1y 11m	$1.4B
Foresight Group Ltd Liability Partnership Real Assets	FORESIGHT WAE HYDROGEN TECHNOLOGY GENERAL PARTNER LLP Related Person	4.17% $27.9M	0.41% 162.2K shares	Q1 2025 Held for 8 months	$669.9M
SOUTHERNSUN ASSET MANAGEMENT, LLC Long Only Manager	Michael Whitman Cook Chairman	3.79% $29.3M	0.43% 170.0K shares	Q2 2025 Held for 5 months	$771.8M
E EDENTREE ASSET MANAGEMENT Ltd Institution	-	2.80% $11.6M	0.17% 67.6K shares	Q2 2023 Held for 2y 5m	$414.8M
SPEECE THORSON CAPITAL GROUP INC Long Only Manager	Matthew Jeremy Weight Director	2.59% $13.0M	0.19% 75.3K shares	Q1 2025 Held for 8 months	$500.5M
CALDWELL SUTTER CAPITAL, INC. RIA/Wealth	John Caldwell Helmer Founder	2.45% $5.7M	0.09% 33.3K shares	Q4 2022 Held for 2y 11m	$234.1M
Channing Capital Management, LLC Long Only Manager	Rodney Bernard Herenton CEO	2.31% $87.8M	1.30% 510.4K shares	Q1 2014 Held for 11y 8m	$3.8B
PRENTISS SMITH & CO INC RIA/Wealth	Karlie Packard Borst President	2.21% $3.9M	0.06% 22.7K shares	Q3 2024 Held for 1y 2m	$177.1M

Hedge Fund Spotlight

Discover hedge funds investing in MSA

HBK Sorce Advisory LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerMatthew Atcheson Leffers

Portfolio Value: $4.1B
Positions: 732
Last Reported: Q3 2025

Sector Allocation

Position in Mine Safety Appliances Company

Market Value: $1.5M
Shares Held: 9.2K
Portfolio Weight: 0.04%
Owned Since: 2024-Q1

Top Holding	Sector	Market Value	Weight
1 SCHX Schwab U.S. Large-Cap ETF SCHX	ETF ETF	$897.0M	21.96%
2 VCRB Vanguard Core Bond VCRB	ETF ETF	$680.4M	16.66%
3 Vanguard FTSE Developed Markets VEA	ETF ETF	$464.3M	11.37%

View full profile

Mine Safety Appliances Company

Overview

All Institutions

Hedge Funds

Ownership Breakdown

Biggest Investors

Net Capital Flow

Biggest Buyers

Biggest Sellers

Entry and Exit Activity

New Positions

Exited Positions

Options Activity

Call Positions

Put Positions

Most Committed Institutions

Hedge Fund Spotlight

Position in Mine Safety Appliances Company

Cookie Preferences