Group One Trading
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Group One Trading’s Charles River Laboratories CRL Stock Holding History

Group One 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
2025
Q4 		– Sell
-1,000
Closed -$156K – 8273
2025
Q3 		$156K Sell
1,000
-1,200
-55% -$191K ﹤0.01% 4932
2025
Q2 		$334K Sell
2,200
-10,700
-83% -$1.43M ﹤0.01% 3813
2025
Q1 		$1.94M Sell
12,900
-3,900
-23% -$654K 0.01% 1833
2024
Q4 		$3.1M Hold
16,800
– – 0.01% 1537
2024
Q3 		$3.31M Buy
16,800
+200
+1% +$41.6K 0.01% 1334
2024
Q2 		$3.43M Buy
+16,600
New +$3.76M 0.01% 1034
2023
Q3 		– Sell
-7,500
Closed -$1.58M – 7731
2023
Q2 		$1.58M Buy
7,500
+1,100
+17% +$219K 0.01% 1935
2023
Q1 		$1.29M Sell
6,400
-40,100
-86% -$9.09M ﹤0.01% 1916
2022
Q4 		$10.1M Buy
+46,500
New +$10.2M 0.02% 731
2022
Q2 		– Sell
-37,200
Closed -$10.6M – 7918
2022
Q1 		$10.6M Buy
37,200
+37,000
+18,500% +$11.4M 0.01% 959
2021
Q4 		$75K Buy
+200
New +$77.7K ﹤0.01% 5980
2021
Q3 		– Sell
-400
Closed -$148K – 8241
2021
Q2 		$148K Sell
400
-1,400
-78% -$467K ﹤0.01% 5555
2021
Q1 		$522K Buy
1,800
+800
+80% +$222K ﹤0.01% 3981
2020
Q4 		$250K Buy
+1,000
New +$238K ﹤0.01% 3893
2019
Q2 		– Sell
-3,000
Closed -$436K – 5018
2019
Q1 		$436K Hold
3,000
– – ﹤0.01% 2055
2018
Q4 		$340K Buy
+3,000
New +$376K ﹤0.01% 2267
2016
Q1 		– Sell
-6,800
Closed -$547K – 4609
2015
Q4 		$547K Hold
6,800
– – 0.01% 1753
2015
Q3 		$432K Buy
6,800
+5,300
+353% +$381K 0.01% 1893
2015
Q2 		$106K Buy
+1,500
New +$111K ﹤0.01% 3036
2014
Q3 		– Sell
-3,000
Closed -$161K – 5172
2014
Q2 		$161K Sell
3,000
-4,500
-60% -$247K ﹤0.01% 2590
2014
Q1 		$453K Buy
7,500
+2,900
+63% +$169K 0.01% 1714
2013
Q4 		$244K Buy
4,600
+1,200
+35% +$60.3K ﹤0.01% 2255
2013
Q3 		$157K Buy
3,400
+300
+10% +$13.8K ﹤0.01% 2602
2013
Q2 		$127K Buy
+3,100
New +$133K ﹤0.01% 2588

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

Group One Trading's CRL Position: Q1 2026 in Review

Group One Trading reduced its Charles River Laboratories (CRL) stake by 75% in Q1 2026, selling an estimated $40.8K and leaving 75 shares worth $12.9K. The position accounts for ﹤0.01% of the portfolio, ranked #6221.

Group One Trading first reported a position in CRL in Q2 2013 and has held it in 23 quarters since. The position peaked at $1.61M in Q1 2025. 557 funds tracked by Wall St. Rank hold CRL as of Q1 2026.

  • Group One Trading held 75 shares of Charles River Laboratories worth $12.9K as of Q1 2026.
  • Group One Trading sold 220 Charles River Laboratories shares in Q1 2026, an estimated $40.8K.
  • Charles River Laboratories made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #6221 holding.
  • Group One Trading first reported a position in Charles River Laboratories in Q2 2013 and has held it in 23 quarters since.
  • Group One Trading's Charles River Laboratories position peaked at $1.61M in Q1 2025.
  • 557 funds tracked by Wall St. Rank held Charles River Laboratories as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.