Simplex Trading
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Simplex Trading’s Charles River Laboratories CRL Stock Holding History

Simplex Trading’s Portfolio CRL Stock Details CRL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$345K Buy
2,000
+1,500
+300% +$278K ﹤0.01% 3674
2025
Q4 		$99.7K Sell
500
-2,800
-85% -$508K ﹤0.01% 5003
2025
Q3 		$516K Sell
3,300
-8,700
-73% -$1.38M ﹤0.01% 3791
2025
Q2 		$1.82M Buy
12,000
+4,400
+58% +$587K ﹤0.01% 2203
2025
Q1 		$1.14M Sell
7,600
-3,400
-31% -$570K ﹤0.01% 2577
2024
Q4 		$2.03M Buy
11,000
+9,200
+511% +$1.77M ﹤0.01% 2178
2024
Q3 		$354K Sell
1,800
-600
-25% -$125K ﹤0.01% 3959
2024
Q2 		$495K Sell
2,400
-13,500
-85% -$3.06M ﹤0.01% 3674
2024
Q1 		$4.31M Sell
15,900
-1,100
-6% -$263K ﹤0.01% 1722
2023
Q4 		$4.02M Sell
17,000
-2,900
-15% -$570K ﹤0.01% 1754
2023
Q3 		$3.9M Buy
19,900
+7,200
+57% +$1.48M ﹤0.01% 1513
2023
Q2 		$2.67M Sell
12,700
-3,300
-21% -$657K ﹤0.01% 1740
2023
Q1 		$3.23M Buy
16,000
+2,000
+14% +$453K ﹤0.01% 1568
2022
Q4 		$3.05M Buy
14,000
+12,200
+678% +$2.66M ﹤0.01% 1550
2022
Q3 		$354K Sell
1,800
-10,300
-85% -$2.22M ﹤0.01% 3875
2022
Q2 		$2.59M Sell
12,100
-17,900
-60% -$4.37M ﹤0.01% 1629
2022
Q1 		$8.52M Buy
30,000
+24,100
+408% +$7.43M 0.01% 917
2021
Q4 		$2.22M Buy
5,900
+800
+16% +$311K ﹤0.01% 1926
2021
Q3 		$1.9M Hold
5,100
– – ﹤0.01% 2217
2021
Q2 		$1.89M Buy
5,100
+5,030
+7,186% +$1.68M ﹤0.01% 2246
2021
Q1 		$2.03M Buy
70
+57
+438% +$15.8K ﹤0.01% 1592
2020
Q4 		$324K Buy
13
+2
+18% +$476 ﹤0.01% 3974
2020
Q3 		$249K Sell
11
-23
-68% -$4.77K ﹤0.01% 3829
2020
Q2 		$592K Sell
34
-6
-15% -$958 ﹤0.01% 2707
2020
Q1 		$504K Sell
40
-59
-60% -$8.85K ﹤0.01% 2574
2019
Q4 		$1.51M Buy
99
+69
+230% +$9.55K ﹤0.01% 1728
2019
Q3 		$397K Buy
30
+21
+233% +$2.82K ﹤0.01% 2845
2019
Q2 		$127K Sell
9
-12
-57% -$1.63K ﹤0.01% 3937
2019
Q1 		$305K Buy
21
+20
+2,000% +$2.63K ﹤0.01% 3181
2018
Q4 		$11K Sell
1
-1
-50% -$125 ﹤0.01% 5774
2018
Q3 		$26K Sell
2
-7
-78% -$864 ﹤0.01% 5743
2018
Q2 		$101K Hold
9
– – ﹤0.01% 4279
2018
Q1 		$8K Hold
9
– – ﹤0.01% 4200
2017
Q4 		$1K Sell
9
-44
-83% -$4.79K ﹤0.01% 5460
2017
Q3 		$9K Buy
+53
New +$5.45K ﹤0.01% 3846
2017
Q2 		– Sell
-16
Closed -$1K – 6186
2017
Q1 		$1K Buy
+16
New +$1.36K ﹤0.01% 5584
2016
Q4 		– Sell
-9
Closed -$1K – 5912
2016
Q3 		$1K Buy
+9
New +$754 ﹤0.01% 5266
2016
Q2 		– Sell
-10
Closed -$3K – 5875
2016
Q1 		$3K Buy
+10
New +$740 ﹤0.01% 4430
2015
Q4 		– Sell
-10
Closed -$11K – 5482
2015
Q3 		$11K Buy
+10
New +$718 ﹤0.01% 3324

Other funds holding CRL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Simplex Trading's CRL Position: Q1 2026 in Review

Simplex Trading sold out of Charles River Laboratories (CRL) in Q1 2026, closing a stake of 3,601 shares — an estimated $668K sold.

Simplex Trading first reported a position in CRL in Q4 2014 and held it in 21 quarters. The position peaked at $2.54M in Q4 2021. 557 funds tracked by Wall St. Rank hold CRL as of Q1 2026.

  • Simplex Trading reported no remaining Charles River Laboratories position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 3,601 Charles River Laboratories shares in Q1 2026, an estimated $668K.
  • Simplex Trading first reported a position in Charles River Laboratories in Q4 2014 and held it in 21 quarters.
  • Simplex Trading's Charles River Laboratories position peaked at $2.54M in Q4 2021.
  • 557 funds tracked by Wall St. Rank held Charles River Laboratories as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.