Northern Trust
MBX

Northern Trust’s MBX Biosciences MBX Stock Holding History

Northern Trust’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 		$13.6M Buy
246,678
+36,103
+17% +$1.26M ﹤0.01% 2021
2026
Q1 		$6.29M Buy
210,575
+19,694
+10% +$670K ﹤0.01% 2343
2025
Q4 		$6.02M Buy
190,881
+57,616
+43% +$1.4M ﹤0.01% 2365
2025
Q3 		$2.33M Buy
133,265
+17,671
+15% +$236K ﹤0.01% 2946
2025
Q2 		$1.32M Buy
115,594
+19,087
+20% +$194K ﹤0.01% 3237
2025
Q1 		$712K Buy
96,507
+5,825
+6% +$61.6K ﹤0.01% 3418
2024
Q4 		$1.67M Buy
+90,682
New +$1.93M ﹤0.01% 3128

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

Northern Trust's MBX Position: Q2 2026 in Review

Northern Trust increased its MBX Biosciences (MBX) stake by 17% in Q2 2026, buying an estimated $1.26M and bringing the position to 246,678 shares worth $13.6M. The position accounts for ﹤0.01% of the portfolio, ranked #2021.

Northern Trust first reported a position in MBX in Q4 2024 and has held it in 7 quarters since. 172 funds tracked by Wall St. Rank hold MBX as of Q2 2026.

  • Northern Trust held 246,678 shares of MBX Biosciences worth $13.6M as of Q2 2026.
  • Northern Trust bought 36,103 MBX Biosciences shares in Q2 2026, an estimated $1.26M.
  • MBX Biosciences made up ﹤0.01% of Northern Trust's portfolio in Q2 2026, its #2021 holding.
  • Northern Trust first reported a position in MBX Biosciences in Q4 2024 and has held it in 7 quarters since.
  • 172 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.

Based on Northern Trust's 13F filing for Q2 2026, filed 13 Aug 2026.