SignatureFD
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SignatureFD’s MBX Biosciences MBX Stock Holding History

SignatureFD’s Portfolio MBX Stock Details MBX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$7.09K Buy
121
+43
+55% +$2.69K ﹤0.01% 2830
2026
Q2 		$4.31K Sell
78
-101
-56% -$3.53K ﹤0.01% 2903
2026
Q1 		$5.34K Hold
179
– – ﹤0.01% 2756
2025
Q4 		$5.65K Hold
179
– – ﹤0.01% 2648
2025
Q3 		$3.13K Buy
179
+78
+77% +$1.04K ﹤0.01% 2817
2025
Q2 		$1.15K Buy
+101
New +$1.03K ﹤0.01% 2991

Other funds holding MBX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
NVP Associates
NVP Associates Menlo Park, California $282M AUM 85.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Aaron Wealth Advisors
Aaron Wealth Advisors Chicago, Illinois $2.04B AUM 32.69% 1-Year Est. Return
Eventide Asset Management
Eventide Asset Management Boston, Massachusetts $7.14B AUM 65.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Lord, Abbett & Co
Lord, Abbett & Co Jersey City, New Jersey $33.4B AUM 56.97% 1-Year Est. Return

SignatureFD's MBX Position: Q3 2026 in Review

SignatureFD increased its MBX Biosciences (MBX) stake by 55% in Q3 2026, buying an estimated $2.69K and bringing the position to 121 shares worth $7.09K. The position accounts for ﹤0.01% of the portfolio, ranked #2830.

SignatureFD first reported a position in MBX in Q2 2025 and has held it in 6 quarters since. 130 funds tracked by Wall St. Rank hold MBX as of Q3 2026.

  • SignatureFD held 121 shares of MBX Biosciences worth $7.09K as of Q3 2026.
  • SignatureFD bought 43 MBX Biosciences shares in Q3 2026, an estimated $2.69K.
  • MBX Biosciences made up ﹤0.01% of SignatureFD's portfolio in Q3 2026, its #2830 holding.
  • SignatureFD first reported a position in MBX Biosciences in Q2 2025 and has held it in 6 quarters since.
  • 130 funds tracked by Wall St. Rank held MBX Biosciences as of Q3 2026.

Based on SignatureFD's 13F filing for Q3 2026, filed 23 Oct 2026.