N
MBX

Nuveen’s MBX Biosciences MBX Stock Holding History

Nuveen’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
Q1 		$2.44M Buy
81,792
+6,227
+8% +$212K ﹤0.01% 2197
2025
Q4 		$2.38M Buy
75,565
+53,422
+241% +$1.3M ﹤0.01% 2211
2025
Q3 		$388K Hold
22,143
– – ﹤0.01% 2983
2025
Q2 		$253K Buy
22,143
+7,672
+53% +$78.2K ﹤0.01% 3103
2025
Q1 		$107K Hold
14,471
– – ﹤0.01% 3208
2024
Q4 		$267K Buy
+14,471
New +$308K ﹤0.01% 3150

Other funds holding MBX

FLSM
Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
NA
NVP Associates Menlo Park, California $176M AUM 208.78% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $28.2B AUM 115.26% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return

Nuveen's MBX Position: Q1 2026 in Review

Nuveen increased its MBX Biosciences (MBX) stake by 8.2% in Q1 2026, buying an estimated $212K and bringing the position to 81,792 shares worth $2.44M. The position accounts for ﹤0.01% of the portfolio, ranked #2197.

Nuveen first reported a position in MBX in Q4 2024 and has held it in 6 quarters since. 157 funds tracked by Wall St. Rank hold MBX as of Q1 2026.

  • Nuveen held 81,792 shares of MBX Biosciences worth $2.44M as of Q1 2026.
  • Nuveen bought 6,227 MBX Biosciences shares in Q1 2026, an estimated $212K.
  • MBX Biosciences made up ﹤0.01% of Nuveen's portfolio in Q1 2026, its #2197 holding.
  • Nuveen first reported a position in MBX Biosciences in Q4 2024 and has held it in 6 quarters since.
  • 157 funds tracked by Wall St. Rank held MBX Biosciences as of Q1 2026.

Based on Nuveen's 13F filing for Q1 2026, filed 30 Apr 2026.