Jane Street
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Jane Street’s Bel Fuse Inc Class A BELFA Stock Holding History

Jane Street’s Portfolio BELFA Stock Details BELFA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.37M Buy
13,167
+7,145
+119% +$1.37M ﹤0.01% 4761
2025
Q4 		$914K Buy
6,022
+1,788
+42% +$240K ﹤0.01% 6307
2025
Q3 		$493K Buy
+4,234
New +$466K ﹤0.01% 7896

Other funds holding BELFA

HCM
Highbridge Capital Management New York $3.09B AUM 31.19% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
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
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
GF
Gabelli Funds Rye, New York $14.8B AUM 32.24% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return
CCC
Cable Car Capital San Francisco, California $289M AUM 26.33% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Jane Street's BELFA Position: Q1 2026 in Review

Jane Street increased its Bel Fuse Inc Class A (BELFA) stake by 119% in Q1 2026, buying an estimated $1.37M and bringing the position to 13,167 shares worth $2.37M. The position accounts for ﹤0.01% of the portfolio, ranked #4761.

Jane Street first reported a position in BELFA in Q3 2025 and has held it in 3 quarters since. 93 funds tracked by Wall St. Rank hold BELFA as of Q1 2026.

  • Jane Street held 13,167 shares of Bel Fuse Inc Class A worth $2.37M as of Q1 2026.
  • Jane Street bought 7,145 Bel Fuse Inc Class A shares in Q1 2026, an estimated $1.37M.
  • Bel Fuse Inc Class A made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4761 holding.
  • Jane Street first reported a position in Bel Fuse Inc Class A in Q3 2025 and has held it in 3 quarters since.
  • 93 funds tracked by Wall St. Rank held Bel Fuse Inc Class A as of Q1 2026.

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