JY
MSA icon

Jeff Yass’s Mine Safety MSA Stock Holding History

Jeff Yass’s Portfolio MSA Stock Details MSA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.15M Buy
6,600
+900
+16% +$151K ﹤0.01% 7840
2026
Q1 		$935K Sell
5,700
-1,100
-16% -$201K ﹤0.01% 8046
2025
Q4 		$1.09M Sell
6,800
-7,200
-51% -$1.17M ﹤0.01% 6986
2025
Q3 		$2.41M Buy
14,000
+6,000
+75% +$1.04M ﹤0.01% 5397
2025
Q2 		$1.34M Sell
8,000
-3,400
-30% -$532K ﹤0.01% 6705
2025
Q1 		$1.67M Buy
11,400
+3,100
+37% +$494K ﹤0.01% 5943
2024
Q4 		$1.38M Buy
8,300
+2,000
+32% +$343K ﹤0.01% 6163
2024
Q3 		$1.12M Sell
6,300
-3,400
-35% -$618K ﹤0.01% 6535
2024
Q2 		$1.82M Buy
9,700
+3,600
+59% +$669K ﹤0.01% 5277
2024
Q1 		$1.18M Buy
6,100
+3,400
+126% +$598K ﹤0.01% 6486
2023
Q4 		$456K Sell
2,700
-35,700
-93% -$5.81M ﹤0.01% 8902
2023
Q3 		$6.05M Buy
38,400
+34,900
+997% +$5.99M ﹤0.01% 3231
2023
Q2 		$609K Sell
3,500
-1,200
-26% -$172K ﹤0.01% 7851
2023
Q1 		$627K Buy
+4,700
New +$633K ﹤0.01% 8010
2021
Q2 		– Sell
-3,200
Closed -$480K – 13006
2021
Q1 		$480K Sell
3,200
-1,500
-32% -$242K ﹤0.01% 9569
2020
Q4 		$702K Sell
4,700
-8,900
-65% -$1.29M ﹤0.01% 7535
2020
Q3 		$1.82M Buy
13,600
+1,900
+16% +$233K ﹤0.01% 4793
2020
Q2 		$1.34M Buy
11,700
+8,200
+234% +$912K ﹤0.01% 5267
2020
Q1 		$354K Sell
3,500
-4,300
-55% -$541K ﹤0.01% 7659
2019
Q4 		$986K Sell
7,800
-2,400
-24% -$289K ﹤0.01% 5558
2019
Q3 		$1.11M Sell
10,200
-17,500
-63% -$1.85M ﹤0.01% 5468
2019
Q2 		$2.92M Buy
27,700
+12,900
+87% +$1.36M ﹤0.01% 3498
2019
Q1 		$1.53M Buy
14,800
+9,500
+179% +$957K ﹤0.01% 4203
2018
Q4 		$500K Sell
5,300
-6,600
-55% -$674K ﹤0.01% 6029
2018
Q3 		$1.27M Buy
11,900
+6,800
+133% +$687K ﹤0.01% 4789
2018
Q2 		$491K Sell
5,100
-500
-9% -$45.2K ﹤0.01% 6824
2018
Q1 		$466K Buy
5,600
+2,700
+93% +$217K ﹤0.01% 6776
2017
Q4 		$225K Sell
2,900
-1,900
-40% -$152K ﹤0.01% 8063
2017
Q3 		$382K Buy
+4,800
New +$359K ﹤0.01% 6992

Other funds holding MSA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
RCG
Ruane, Cunniff & Goldfarb New York $6.43B AUM 18.44% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return
FMI
Fiduciary Management Inc Milwaukee, Wisconsin $7.03B AUM 11.68% 1-Year Est. Return
MGP
M&G plc London, United Kingdom $20.1B AUM 16.62% 1-Year Est. Return

Jeff Yass's MSA Position: Q2 2026 in Review

Jeff Yass sold out of Mine Safety (MSA) in Q2 2026, closing a stake of 1,470 shares — an estimated $246K sold.

Jeff Yass first reported a position in MSA in Q3 2013 and held it in 32 quarters. The position peaked at $3.13M in Q4 2016. 453 funds tracked by Wall St. Rank hold MSA as of Q2 2026.

  • Jeff Yass reported no remaining Mine Safety position as of Q2 2026 after selling out during the quarter.
  • Jeff Yass sold 1,470 Mine Safety shares in Q2 2026, an estimated $246K.
  • Jeff Yass first reported a position in Mine Safety in Q3 2013 and held it in 32 quarters.
  • Jeff Yass's Mine Safety position peaked at $3.13M in Q4 2016.
  • 453 funds tracked by Wall St. Rank held Mine Safety as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.