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 		– Sell
-53,200
Closed -$348K – 12287
2025
Q4 		$348K Sell
53,200
-100
-0.2% -$779 ﹤0.01% 8495
2025
Q3 		$526K Buy
+53,300
New +$514K ﹤0.01% 7755
2022
Q2 		– Sell
-23,600
Closed -$212K – 10266
2022
Q1 		$212K Sell
23,600
-1,600
-6% -$16.2K ﹤0.01% 8952
2021
Q4 		$316K Buy
+25,200
New +$322K ﹤0.01% 8068

Other funds holding JBI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CB
Cooke & Bieler Philadelphia, Pennsylvania $8.65B AUM 9.66% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RRAM
River Road Asset Management Louisville, Kentucky $8.99B AUM 12.83% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AF
Atlas FRM Greenwich, Connecticut $2.33B AUM 3.68% 1-Year Est. Return

Jane Street's JBI Position: Q2 2026 in Review

Jane Street reduced its Janus International (JBI) stake by 88% in Q2 2026, selling an estimated $2.37M and leaving 60,821 shares worth $338K. The position accounts for ﹤0.01% of the portfolio, ranked #8950.

Jane Street first reported a position in JBI in Q4 2021 and has held it in 18 quarters since. The position peaked at $3.73M in Q3 2025. 226 funds tracked by Wall St. Rank hold JBI as of Q2 2026.

  • Jane Street held 60,821 shares of Janus International worth $338K as of Q2 2026.
  • Jane Street sold 450,888 Janus International shares in Q2 2026, an estimated $2.37M.
  • Janus International made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #8950 holding.
  • Jane Street first reported a position in Janus International in Q4 2021 and has held it in 18 quarters since.
  • Jane Street's Janus International position peaked at $3.73M in Q3 2025.
  • 226 funds tracked by Wall St. Rank held Janus International as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.