Mariner
JBI icon

Mariner’s Janus International JBI Stock Holding History

Mariner’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
Q2 		$300K Buy
+54,121
New +$284K ﹤0.01% 2847
2025
Q4 		– Sell
-39,902
Closed -$394K – 3679
2025
Q3 		$394K Buy
39,902
+3,307
+9% +$31.9K ﹤0.01% 2606
2025
Q2 		$298K Buy
36,595
+11,968
+49% +$91.2K ﹤0.01% 2734
2025
Q1 		$177K Buy
+24,627
New +$195K ﹤0.01% 3045
2024
Q4 		– Sell
-10,956
Closed -$111K – 3454
2024
Q3 		$111K Sell
10,956
-1,802
-14% -$21K ﹤0.01% 3071
2024
Q2 		$161K Sell
12,758
-61
-0.5% -$852 ﹤0.01% 2844
2024
Q1 		$194K Buy
12,819
+771
+6% +$11.2K ﹤0.01% 2781
2023
Q4 		$157K Buy
+12,048
New +$128K ﹤0.01% 2758
2023
Q3 		– Sell
-13,424
Closed -$143K – 2964
2023
Q2 		$143K Buy
13,424
+1,449
+12% +$13.6K ﹤0.01% 2561
2023
Q1 		$118K Buy
+11,975
New +$125K ﹤0.01% 2540

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

Mariner's JBI Position: Q2 2026 in Review

Mariner opened a new position in Janus International (JBI) in Q2 2026: 54,121 shares worth $300K. The stake represents ﹤0.01% of the portfolio and ranks #2847 among its holdings. This is a return to the name: Mariner previously reported a position in JBI as recently as Q3 2025.

Mariner first reported a position in JBI in Q1 2023 and has held it in 10 quarters since. The position peaked at $394K in Q3 2025. 226 funds tracked by Wall St. Rank hold JBI as of Q2 2026.

  • Mariner held 54,121 shares of Janus International worth $300K as of Q2 2026.
  • Janus International was a new Mariner position in Q2 2026.
  • Janus International made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2847 holding.
  • Mariner first reported a position in Janus International in Q1 2023 and has held it in 10 quarters since.
  • Mariner's Janus International position peaked at $394K in Q3 2025.
  • 226 funds tracked by Wall St. Rank held Janus International as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.