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 		$121K Sell
700
-800
-53% -$148K ﹤0.01% 4869
2025
Q4 		$299K Sell
1,500
-5,100
-77% -$925K ﹤0.01% 3815
2025
Q3 		$1.03M Sell
6,600
-900
-12% -$143K ﹤0.01% 3008
2025
Q2 		$1.14M Buy
7,500
+3,600
+92% +$480K ﹤0.01% 2645
2025
Q1 		$587K Sell
3,900
-28,400
-88% -$4.76M ﹤0.01% 3225
2024
Q4 		$5.96M Sell
32,300
-8,000
-20% -$1.54M ﹤0.01% 1355
2024
Q3 		$7.94M Buy
40,300
+10,900
+37% +$2.27M ﹤0.01% 1179
2024
Q2 		$6.07M Buy
29,400
+20,100
+216% +$4.55M ﹤0.01% 1313
2024
Q1 		$2.52M Sell
9,300
-17,400
-65% -$4.16M ﹤0.01% 2175
2023
Q4 		$6.31M Buy
26,700
+13,100
+96% +$2.58M ﹤0.01% 1380
2023
Q3 		$2.67M Buy
13,600
+7,800
+134% +$1.6M ﹤0.01% 1839
2023
Q2 		$1.22M Sell
5,800
-10,000
-63% -$1.99M ﹤0.01% 2415
2023
Q1 		$3.19M Buy
15,800
+14,700
+1,336% +$3.33M ﹤0.01% 1587
2022
Q4 		$239K Sell
1,100
-6,400
-85% -$1.4M ﹤0.01% 4008
2022
Q3 		$1.48M Sell
7,500
-14,700
-66% -$3.17M ﹤0.01% 2255
2022
Q2 		$4.75M Sell
22,200
-7,700
-26% -$1.88M 0.01% 1178
2022
Q1 		$8.49M Buy
29,900
+20,700
+225% +$6.38M 0.01% 919
2021
Q4 		$3.47M Buy
9,200
+3,200
+53% +$1.24M ﹤0.01% 1512
2021
Q3 		$2.23M Sell
6,000
-200
-3% -$83.1K ﹤0.01% 2004
2021
Q2 		$2.29M Buy
6,200
+6,146
+11,381% +$2.05M ﹤0.01% 1994
2021
Q1 		$1.56M Buy
54
+5
+10% +$1.39K ﹤0.01% 1894
2020
Q4 		$1.22M Sell
49
-137
-74% -$32.6K ﹤0.01% 2308
2020
Q3 		$4.21M Buy
186
+140
+304% +$29.1K 0.01% 980
2020
Q2 		$802K Sell
46
-60
-57% -$9.58K ﹤0.01% 2353
2020
Q1 		$1.34M Sell
106
-13
-11% -$1.95K ﹤0.01% 1620
2019
Q4 		$1.82M Sell
119
-1
-0.8% -$138 ﹤0.01% 1565
2019
Q3 		$1.59M Sell
120
-81
-40% -$10.9K ﹤0.01% 1528
2019
Q2 		$2.85M Buy
201
+51
+34% +$6.92K 0.01% 1035
2019
Q1 		$2.18M Buy
150
+80
+114% +$10.5K 0.01% 1300
2018
Q4 		$792K Buy
70
+25
+56% +$3.13K ﹤0.01% 1830
2018
Q3 		$605K Buy
45
+5
+13% +$617 ﹤0.01% 2423
2018
Q2 		$449K Buy
40
+26
+186% +$2.81K ﹤0.01% 2566
2018
Q1 		$3K Buy
+14
New +$1.51K ﹤0.01% 4955
2017
Q4 		– Sell
-17
Closed -$5K – 6072
2017
Q3 		$5K Buy
17
+16
+1,600% +$1.64K ﹤0.01% 4361
2017
Q2 		$1K Buy
+1
New +$92 ﹤0.01% 5557
2017
Q1 		– Sell
-13
Closed -$1K – 6224
2016
Q4 		$1K Buy
13
+3
+30% +$228 ﹤0.01% 5337
2016
Q3 		$3K Sell
10
-10
-50% -$838 ﹤0.01% 4657
2016
Q2 		$6K Sell
20
-5
-20% -$412 ﹤0.01% 4042
2016
Q1 		$8K Sell
25
-13
-34% -$962 ﹤0.01% 3663
2015
Q4 		$6K Buy
+38
New +$2.74K ﹤0.01% 3711
2015
Q3 		– Sell
-14
Closed -$3K – 5592
2015
Q2 		$3K Sell
14
-9
-39% -$666 ﹤0.01% 4013
2015
Q1 		$10K Buy
+23
New +$1.7K ﹤0.01% 2940

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.