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 		$11.4M Sell
738,400
-204,400
-22% -$3.4M ﹤0.01% 2373
2025
Q4 		$17M Buy
942,800
+467,500
+98% +$8.04M ﹤0.01% 1764
2025
Q3 		$7.66M Buy
475,300
+337,800
+246% +$4.94M ﹤0.01% 2783
2025
Q2 		$1.5M Buy
137,500
+118,700
+631% +$1.33M ﹤0.01% 4905
2025
Q1 		$235K Sell
18,800
-4,900
-21% -$80.7K ﹤0.01% 8213
2024
Q4 		$469K Buy
+23,700
New +$262K ﹤0.01% 6908
2021
Q1 		– Sell
-14,500
Closed -$251K – 9402
2020
Q4 		$251K Sell
14,500
-99,100
-87% -$2.44M ﹤0.01% 6659
2020
Q3 		$4.13M Buy
113,600
+98,300
+642% +$3.08M ﹤0.01% 2067
2020
Q2 		$343K Buy
+15,300
New +$328K ﹤0.01% 5638

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.