Jane Street
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Jane Street’s Janus International JBI Stock Holding History

Jane Street’s Portfolio JBI Stock Details JBI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.64M Buy
511,709
+436,764
+583% +$2.83M ﹤0.01% 4585
2025
Q4 		$490K Sell
74,945
-302,498
-80% -$2.36M ﹤0.01% 7725
2025
Q3 		$3.73M Buy
377,443
+179,294
+90% +$1.73M ﹤0.01% 3873
2025
Q2 		$1.61M Buy
198,149
+8,494
+4% +$64.7K ﹤0.01% 4768
2025
Q1 		$1.37M Buy
189,655
+102,679
+118% +$815K ﹤0.01% 5001
2024
Q4 		$639K Buy
86,976
+13,220
+18% +$109K ﹤0.01% 6253
2024
Q3 		$746K Sell
73,756
-90,986
-55% -$1.06M ﹤0.01% 6480
2024
Q2 		$2.08M Buy
164,742
+132,938
+418% +$1.86M ﹤0.01% 4400
2024
Q1 		$481K Buy
31,804
+5,284
+20% +$76.8K ﹤0.01% 6739
2023
Q4 		$346K Buy
26,520
+6,150
+30% +$65.4K ﹤0.01% 7403
2023
Q3 		$218K Buy
20,370
+5,890
+41% +$64.9K ﹤0.01% 7510
2023
Q2 		$154K Sell
14,480
-4,200
-22% -$39.3K ﹤0.01% 7801
2023
Q1 		$184K Sell
18,680
-316,657
-94% -$3.3M ﹤0.01% 7900
2022
Q4 		$3.19M Buy
335,337
+324,679
+3,046% +$3.13M ﹤0.01% 3126
2022
Q3 		$95K Buy
+10,658
New +$108K ﹤0.01% 8669
2022
Q2 		– Sell
-46,035
Closed -$414K – 10267
2022
Q1 		$414K Buy
46,035
+33,661
+272% +$342K ﹤0.01% 7824
2021
Q4 		$155K Buy
+12,374
New +$158K ﹤0.01% 8983

Other funds holding JBI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's JBI Position: Q1 2026 in Review

Jane Street increased its Janus International (JBI) stake by 583% in Q1 2026, buying an estimated $2.83M and bringing the position to 511,709 shares worth $2.64M. The position accounts for ﹤0.01% of the portfolio, ranked #4585.

Jane Street first reported a position in JBI in Q4 2021 and has held it in 17 quarters since. The position peaked at $3.73M in Q3 2025. 204 funds tracked by Wall St. Rank hold JBI as of Q1 2026.

  • Jane Street held 511,709 shares of Janus International worth $2.64M as of Q1 2026.
  • Jane Street bought 436,764 Janus International shares in Q1 2026, an estimated $2.83M.
  • Janus International made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4585 holding.
  • Jane Street first reported a position in Janus International in Q4 2021 and has held it in 17 quarters since.
  • Jane Street's Janus International position peaked at $3.73M in Q3 2025.
  • 204 funds tracked by Wall St. Rank held Janus International as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.