CM
BELFB

Castleark Management’s Bel Fuse Inc Class B BELFB Stock Holding History

Castleark Management’s Portfolio BELFB Stock Details BELFB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-16,311
Closed -$3.23M – 313
2026
Q1 		$3.23M Sell
16,311
-16,790
-51% -$3.51M 0.11% 178
2025
Q4 		$5.61M Buy
33,101
+8,920
+37% +$1.39M 0.16% 147
2025
Q3 		$3.41M Buy
+24,181
New +$3.08M 0.1% 173

Other funds holding BELFB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Castleark Management's BELFB Position: Q2 2026 in Review

Castleark Management sold out of Bel Fuse Inc Class B (BELFB) in Q2 2026, closing a stake of 16,311 shares — an estimated $3.23M sold.

Castleark Management first reported a position in BELFB in Q3 2025 and held it in 3 quarters. The position peaked at $5.61M in Q4 2025. 276 funds tracked by Wall St. Rank hold BELFB as of Q2 2026.

  • Castleark Management reported no remaining Bel Fuse Inc Class B position as of Q2 2026 after selling out during the quarter.
  • Castleark Management sold 16,311 Bel Fuse Inc Class B shares in Q2 2026, an estimated $3.23M.
  • Castleark Management first reported a position in Bel Fuse Inc Class B in Q3 2025 and held it in 3 quarters.
  • Castleark Management's Bel Fuse Inc Class B position peaked at $5.61M in Q4 2025.
  • 276 funds tracked by Wall St. Rank held Bel Fuse Inc Class B as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.