Simplex Trading
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Simplex Trading’s Cabaletta Bio CABA Stock Holding History

Simplex Trading’s Portfolio CABA Stock Details CABA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-3,300
Closed -$7.23K – 9115
2025
Q4 		$7.23K Buy
3,300
+2,200
+200% +$5.45K ﹤0.01% 7204
2025
Q3 		$2K Sell
1,100
-1,100
-50% -$1.89K ﹤0.01% 8607
2025
Q2 		$3K Buy
2,200
+300
+16% +$468 ﹤0.01% 7938
2025
Q1 		$2K Sell
1,900
-10,500
-85% -$22.4K ﹤0.01% 7937
2024
Q4 		$28K Sell
12,400
-2,500
-17% -$8.78K ﹤0.01% 6409
2024
Q3 		$70K Sell
14,900
-3,600
-19% -$20.8K ﹤0.01% 5562
2024
Q2 		$138K Buy
18,500
+11,000
+147% +$135K ﹤0.01% 5016
2024
Q1 		$127K Buy
7,500
+2,600
+53% +$55.8K ﹤0.01% 5336
2023
Q4 		$111K Buy
4,900
+2,500
+104% +$42K ﹤0.01% 5267
2023
Q3 		$36K Sell
2,400
-2,500
-51% -$34.2K ﹤0.01% 6088
2023
Q2 		$63K Buy
4,900
+2,300
+88% +$25K ﹤0.01% 5590
2023
Q1 		$21K Buy
2,600
+200
+8% +$1.87K ﹤0.01% 6850
2022
Q4 		$22K Buy
+2,400
New +$8.74K ﹤0.01% 6767
2021
Q4 		– Sell
-8,400
Closed -$70K – 10505
2021
Q3 		$70K Hold
8,400
– – ﹤0.01% 7079
2021
Q2 		$72K Buy
+8,400
New +$82.5K ﹤0.01% 7173

Other funds holding CABA

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
CAM
Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Simplex Trading's CABA Position: Q4 2024 in Review

Simplex Trading sold out of Cabaletta Bio (CABA) in Q4 2024, closing a stake of 7,638 shares — an estimated $26.8K sold.

Simplex Trading first reported a position in CABA in Q1 2021 and held it in 9 quarters. The position peaked at $129K in Q4 2021. 108 funds tracked by Wall St. Rank hold CABA as of Q4 2024.

  • Simplex Trading reported no remaining Cabaletta Bio position as of Q4 2024 after selling out during the quarter.
  • Simplex Trading sold 7,638 Cabaletta Bio shares in Q4 2024, an estimated $26.8K.
  • Simplex Trading first reported a position in Cabaletta Bio in Q1 2021 and held it in 9 quarters.
  • Simplex Trading's Cabaletta Bio position peaked at $129K in Q4 2021.
  • 108 funds tracked by Wall St. Rank held Cabaletta Bio as of Q4 2024.

Based on Simplex Trading's 13F filing for Q4 2024, filed 11 Feb 2025.