Ken Griffin
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Ken Griffin’s Biomea Fusion BMEA Stock Holding History

Ken Griffin’s Portfolio BMEA Stock Details BMEA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1M Buy
+656,817
New +$863K ﹤0.01% 7639
2025
Q4 		– Sell
-179,825
Closed -$252K – 12713
2025
Q3 		$363K Buy
+179,825
New +$329K ﹤0.01% 9903
2025
Q2 		– Sell
-31,716
Closed -$61.1K – 12625
2025
Q1 		$67.6K Sell
31,716
-46,535
-59% -$159K ﹤0.01% 11965
2024
Q4 		$304K Buy
78,251
+78,206
+173,791% +$623K ﹤0.01% 9631
2024
Q3 		$455 Sell
45
-19,425
-100% -$126K ﹤0.01% 14016
2024
Q2 		$87.6K Sell
19,470
-34,076
-64% -$346K ﹤0.01% 11097
2024
Q1 		$801K Buy
+53,546
New +$882K ﹤0.01% 7392
2023
Q4 		– Sell
-78,811
Closed -$958K – 14294
2023
Q3 		$1.08M Sell
78,811
-31,756
-29% -$573K ﹤0.01% 6399
2023
Q2 		$2.43M Buy
110,567
+100,258
+973% +$3.14M ﹤0.01% 4817
2023
Q1 		$320K Sell
10,309
-13,521
-57% -$168K ﹤0.01% 9255
2022
Q4 		$201K Sell
23,830
-24,669
-51% -$210K ﹤0.01% 10131
2022
Q3 		$475K Sell
48,499
-286,692
-86% -$3.29M ﹤0.01% 8565
2022
Q2 		$4.02M Buy
335,191
+282,855
+540% +$1.66M ﹤0.01% 4201
2022
Q1 		$233K Buy
52,336
+8,732
+20% +$56.6K ﹤0.01% 11161
2021
Q4 		$325K Buy
+43,604
New +$461K ﹤0.01% 10746
2021
Q3 		– Sell
-19,491
Closed -$304K – 13809
2021
Q2 		$304K Buy
+19,491
New +$344K ﹤0.01% 11226

Other funds holding BMEA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
ACM
Aisling Capital Management New York $472M AUM 106.83% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
FISPB
Fideuram - Intesa Sanpaolo Private Banking Turin $3.33B AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Ken Griffin's BMEA Position: Q1 2026 in Review

Ken Griffin opened a new position in Biomea Fusion (BMEA) in Q1 2026: 656,817 shares worth $1M. The stake represents ﹤0.01% of the portfolio and ranks #7639 among its holdings. This is a return to the name: Ken Griffin previously reported a position in BMEA as recently as Q3 2025.

Ken Griffin first reported a position in BMEA in Q2 2021 and has held it in 16 quarters since. The position peaked at $4.02M in Q2 2022. 65 funds tracked by Wall St. Rank hold BMEA as of Q1 2026.

  • Ken Griffin held 656,817 shares of Biomea Fusion worth $1M as of Q1 2026.
  • Biomea Fusion was a new Ken Griffin position in Q1 2026.
  • Biomea Fusion made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #7639 holding.
  • Ken Griffin first reported a position in Biomea Fusion in Q2 2021 and has held it in 16 quarters since.
  • Ken Griffin's Biomea Fusion position peaked at $4.02M in Q2 2022.
  • 65 funds tracked by Wall St. Rank held Biomea Fusion as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.