Citadel Advisors
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Citadel Advisors’s Mine Safety MSA Stock Holding History

Citadel Advisors’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
Q1 		$6.14M Buy
37,463
+24,393
+187% +$4.46M ﹤0.01% 4011
2025
Q4 		$2.09M Sell
13,070
-49,475
-79% -$8.06M ﹤0.01% 5819
2025
Q3 		$10.8M Buy
+62,545
New +$10.8M ﹤0.01% 3160
2025
Q2 		– Sell
-19,631
Closed -$3.07M – 14121
2025
Q1 		$2.88M Sell
19,631
-6,967
-26% -$1.11M ﹤0.01% 4835
2024
Q4 		$4.41M Buy
+26,598
New +$4.56M ﹤0.01% 4161
2024
Q2 		– Sell
-87,310
Closed -$16.2M – 14995
2024
Q1 		$16.9M Buy
87,310
+4,012
+5% +$705K ﹤0.01% 2262
2023
Q4 		$14.1M Buy
83,298
+82,140
+7,093% +$13.4M ﹤0.01% 2406
2023
Q3 		$183K Buy
1,158
+675
+140% +$116K ﹤0.01% 10062
2023
Q2 		$84K Sell
483
-76,836
-99% -$11M ﹤0.01% 11185
2023
Q1 		$10.3M Sell
77,319
-46,663
-38% -$6.29M ﹤0.01% 2784
2022
Q4 		$17.9M Sell
123,982
-1,597
-1% -$209K ﹤0.01% 2089
2022
Q3 		$13.7M Buy
125,579
+16,676
+15% +$2.05M ﹤0.01% 2334
2022
Q2 		$13.2M Buy
108,903
+88,762
+441% +$11M ﹤0.01% 2329
2022
Q1 		$2.67M Buy
20,141
+10,611
+111% +$1.47M ﹤0.01% 5441
2021
Q4 		$1.44M Buy
9,530
+706
+8% +$106K ﹤0.01% 6984
2021
Q3 		$1.29M Sell
8,824
-23,754
-73% -$3.77M ﹤0.01% 7483
2021
Q2 		$5.39M Buy
32,578
+4,316
+15% +$700K ﹤0.01% 4270
2021
Q1 		$4.24M Buy
28,262
+26,246
+1,302% +$4.23M ﹤0.01% 4643
2020
Q4 		$301K Buy
+2,016
New +$291K ﹤0.01% 9071
2020
Q3 		– Sell
-73,190
Closed -$8.96M – 10491
2020
Q2 		$8.38M Buy
73,190
+40,227
+122% +$4.47M ﹤0.01% 2435
2020
Q1 		$3.33M Buy
32,963
+20,214
+159% +$2.54M ﹤0.01% 3294
2019
Q4 		$1.61M Buy
12,749
+2,884
+29% +$347K ﹤0.01% 4758
2019
Q3 		$1.08M Sell
9,865
-7,060
-42% -$745K ﹤0.01% 5471
2019
Q2 		$1.78M Buy
16,925
+921
+6% +$96.8K ﹤0.01% 4710
2019
Q1 		$1.66M Buy
16,004
+11,308
+241% +$1.14M ﹤0.01% 4767
2018
Q4 		$443K Buy
4,696
+1,029
+28% +$105K ﹤0.01% 6582
2018
Q3 		$390K Sell
3,667
-19,424
-84% -$1.96M ﹤0.01% 7123
2018
Q2 		$2.22M Buy
23,091
+16,819
+268% +$1.52M ﹤0.01% 3939
2018
Q1 		$522K Sell
6,272
-10,437
-62% -$837K ﹤0.01% 5811
2017
Q4 		$1.29M Sell
16,709
-25,171
-60% -$2.01M ﹤0.01% 4274
2017
Q3 		$3.33M Buy
+41,880
New +$3.13M ﹤0.01% 2768
2017
Q2 		– Sell
-6,979
Closed -$541K – 7847
2017
Q1 		$493K Sell
6,979
-15,342
-69% -$1.07M ﹤0.01% 5040
2016
Q4 		$1.55M Sell
22,321
-7,271
-25% -$450K ﹤0.01% 3268
2016
Q3 		$1.72M Sell
29,592
-76,114
-72% -$4.26M ﹤0.01% 3148
2016
Q2 		$5.55M Sell
105,706
-13,187
-11% -$653K 0.01% 1734
2016
Q1 		$5.75M Sell
118,893
-14,105
-11% -$609K 0.01% 1632
2015
Q4 		$5.78M Buy
132,998
+2,234
+2% +$97.9K 0.01% 1678
2015
Q3 		$5.23M Buy
130,764
+4,696
+4% +$219K 0.01% 1902
2015
Q2 		$6.12M Buy
126,068
+49,922
+66% +$2.39M 0.01% 1879
2015
Q1 		$3.8M Buy
+76,146
New +$3.68M ﹤0.01% 2327
2014
Q4 		– Sell
-787
Closed -$39K – 8644
2014
Q3 		$39K Sell
787
-1,630
-67% -$90.2K ﹤0.01% 7061
2014
Q2 		$139K Sell
2,417
-1,685
-41% -$92.4K ﹤0.01% 5932
2014
Q1 		$234K Sell
4,102
-7,595
-65% -$398K ﹤0.01% 5344
2013
Q4 		$599K Buy
11,697
+1,666
+17% +$83K ﹤0.01% 3799
2013
Q3 		$518K Sell
10,031
-2,031
-17% -$104K ﹤0.01% 3780
2013
Q2 		$561K Buy
+12,062
New +$581K ﹤0.01% 3719

Other funds holding MSA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
RCG
Ruane, Cunniff & Goldfarb New York $6.03B AUM 12.06% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
APG Asset Management
APG Asset Management Amsterdam, Netherlands $31.6B AUM 19.33% 1-Year Est. Return
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.84B AUM 6.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
MGP
M&G plc London, United Kingdom $19.4B AUM 16.7% 1-Year Est. Return

Citadel Advisors's MSA Position: Q1 2026 in Review

Citadel Advisors increased its Mine Safety (MSA) stake by 187% in Q1 2026, buying an estimated $4.46M and bringing the position to 37,463 shares worth $6.14M. The position accounts for ﹤0.01% of the portfolio, ranked #4011.

Citadel Advisors first reported a position in MSA in Q2 2013 and has held it in 46 quarters since. The position peaked at $17.9M in Q4 2022. 448 funds tracked by Wall St. Rank hold MSA as of Q1 2026.

  • Citadel Advisors held 37,463 shares of Mine Safety worth $6.14M as of Q1 2026.
  • Citadel Advisors bought 24,393 Mine Safety shares in Q1 2026, an estimated $4.46M.
  • Mine Safety made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4011 holding.
  • Citadel Advisors first reported a position in Mine Safety in Q2 2013 and has held it in 46 quarters since.
  • Citadel Advisors's Mine Safety position peaked at $17.9M in Q4 2022.
  • 448 funds tracked by Wall St. Rank held Mine Safety as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.