Rockefeller Capital Management
MBX

Rockefeller Capital Management’s MBX Biosciences MBX Stock Holding History

Rockefeller Capital Management’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 		$12.4K Sell
224
-3,000
-93% -$105K ﹤0.01% 3924
2026
Q1 		$96.2K Buy
3,224
+224
+7% +$7.62K ﹤0.01% 2897
2025
Q4 		$94.6K Hold
3,000
– – ﹤0.01% 2752
2025
Q3 		$52.5K Sell
3,000
-31,135
-91% -$416K ﹤0.01% 2889
2025
Q2 		$389K Buy
+34,135
New +$348K ﹤0.01% 1608

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

Rockefeller Capital Management's MBX Position: Q2 2026 in Review

Rockefeller Capital Management reduced its MBX Biosciences (MBX) stake by 93% in Q2 2026, selling an estimated $105K and leaving 224 shares worth $12.4K. The position accounts for ﹤0.01% of the portfolio, ranked #3924.

Rockefeller Capital Management first reported a position in MBX in Q2 2025 and has held it in 5 quarters since. The position peaked at $389K in Q2 2025. 172 funds tracked by Wall St. Rank hold MBX as of Q2 2026.

  • Rockefeller Capital Management held 224 shares of MBX Biosciences worth $12.4K as of Q2 2026.
  • Rockefeller Capital Management sold 3,000 MBX Biosciences shares in Q2 2026, an estimated $105K.
  • MBX Biosciences made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q2 2026, its #3924 holding.
  • Rockefeller Capital Management first reported a position in MBX Biosciences in Q2 2025 and has held it in 5 quarters since.
  • Rockefeller Capital Management's MBX Biosciences position peaked at $389K in Q2 2025.
  • 172 funds tracked by Wall St. Rank held MBX Biosciences as of Q2 2026.

Based on Rockefeller Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.