Jane Street
MESO

Jane Street’s Mesoblast MESO Stock Holding History

Jane Street’s Portfolio MESO Stock Details MESO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$217K Buy
14,100
+2,800
+25% +$46.6K ﹤0.01% 9960
2025
Q4 		$204K Sell
11,300
-23,900
-68% -$411K ﹤0.01% 9688
2025
Q3 		$567K Buy
+35,200
New +$515K ﹤0.01% 7588
2020
Q4 		– Sell
-80,800
Closed -$2.94M – 7855
2020
Q3 		$2.94M Buy
80,800
+38,600
+91% +$1.21M ﹤0.01% 2470
2020
Q2 		$947K Buy
+42,200
New +$903K ﹤0.01% 4139

Other funds holding MESO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
PM
Penbrook Management New York $157M AUM 46.57% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
MGP
M&G plc London, United Kingdom $19.4B AUM 16.7% 1-Year Est. Return

Jane Street's MESO Position: Q1 2026 in Review

Jane Street reduced its Mesoblast (MESO) stake by 41% in Q1 2026, selling an estimated $1.14M and leaving 98,786 shares worth $1.52M. The position accounts for ﹤0.01% of the portfolio, ranked #5614.

Jane Street first reported a position in MESO in Q1 2016 and has held it in 27 quarters since. The position peaked at $3.02M in Q4 2025. 69 funds tracked by Wall St. Rank hold MESO as of Q1 2026.

  • Jane Street held 98,786 shares of Mesoblast worth $1.52M as of Q1 2026.
  • Jane Street sold 68,594 Mesoblast shares in Q1 2026, an estimated $1.14M.
  • Mesoblast made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5614 holding.
  • Jane Street first reported a position in Mesoblast in Q1 2016 and has held it in 27 quarters since.
  • Jane Street's Mesoblast position peaked at $3.02M in Q4 2025.
  • 69 funds tracked by Wall St. Rank held Mesoblast as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.