Nuveen
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
Q2 		$5.45M Buy
98,733
+16,941
+21% +$592K ﹤0.01% 2048
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 $4.59B AUM 237.58% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return
O
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
NA
NVP Associates Menlo Park, California $328M AUM 166.51% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
PCH
Polar Capital Holdings London, United Kingdom $42.4B AUM 181.11% 1-Year Est. Return

Nuveen's MBX Position: Q2 2026 in Review

Nuveen increased its MBX Biosciences (MBX) stake by 21% in Q2 2026, buying an estimated $592K and bringing the position to 98,733 shares worth $5.45M. The position accounts for ﹤0.01% of the portfolio, ranked #2048.

Nuveen first reported a position in MBX in Q4 2024 and has held it in 7 quarters since. 173 funds tracked by Wall St. Rank hold MBX as of Q2 2026.

  • Nuveen held 98,733 shares of MBX Biosciences worth $5.45M as of Q2 2026.
  • Nuveen bought 16,941 MBX Biosciences shares in Q2 2026, an estimated $592K.
  • MBX Biosciences made up ﹤0.01% of Nuveen's portfolio in Q2 2026, its #2048 holding.
  • Nuveen first reported a position in MBX Biosciences in Q4 2024 and has held it in 7 quarters since.
  • 173 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.

Based on Nuveen's 13F filing for Q2 2026, filed 11 Aug 2026.