Renaissance Technologies
CABA icon

Renaissance Technologies’s Cabaletta Bio CABA Stock Holding History

Renaissance Technologies’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
Q2 		$4.77M Sell
1,535,300
-501,363
-25% -$1.65M 0.01% 1495
2026
Q1 		$5.48M Buy
2,036,663
+514,080
+34% +$1.43M 0.01% 1331
2025
Q4 		$3.33M Buy
1,522,583
+183,160
+14% +$454K 0.01% 1576
2025
Q3 		$3.13M Buy
1,339,423
+1,213,323
+962% +$2.08M ﹤0.01% 1762
2025
Q2 		$192K Buy
126,100
+115,200
+1,057% +$180K ﹤0.01% 3181
2025
Q1 		$15.1K Sell
10,900
-219,261
-95% -$467K ﹤0.01% 3373
2024
Q4 		$522K Buy
+230,161
New +$808K ﹤0.01% 2823
2024
Q2 		– Sell
-59,000
Closed -$1.01M – 3525
2024
Q1 		$1.01M Buy
+59,000
New +$1.27M ﹤0.01% 2477
2023
Q3 		– Sell
-77,700
Closed -$1M – 3695
2023
Q2 		$1M Sell
77,700
-35,100
-31% -$381K ﹤0.01% 2468
2023
Q1 		$933K Sell
112,800
-50,600
-31% -$474K ﹤0.01% 2523
2022
Q4 		$1.51M Sell
163,400
-524,061
-76% -$1.91M ﹤0.01% 2257
2022
Q3 		$447K Buy
687,461
+352,461
+105% +$424K ﹤0.01% 2990
2022
Q2 		$355K Buy
335,000
+135,600
+68% +$192K ﹤0.01% 3357
2022
Q1 		$405K Buy
+199,400
New +$521K ﹤0.01% 3313
2021
Q3 		– Sell
-14,900
Closed -$128K – 3501
2021
Q2 		$128K Buy
+14,900
New +$146K ﹤0.01% 3329
2020
Q3 		– Sell
-61,447
Closed -$685K – 3393
2020
Q2 		$685K Buy
61,447
+48,447
+373% +$371K ﹤0.01% 2740
2020
Q1 		$95K Buy
+13,000
New +$178K ﹤0.01% 3238

Other funds holding CABA

Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Renaissance Technologies's CABA Position: Q2 2026 in Review

Renaissance Technologies reduced its Cabaletta Bio (CABA) stake by 25% in Q2 2026, selling an estimated $1.65M and leaving 1,535,300 shares worth $4.77M. The position accounts for 0.01% of the portfolio, ranked #1495.

Renaissance Technologies first reported a position in CABA in Q1 2020 and has held it in 17 quarters since. The position peaked at $5.48M in Q1 2026. 86 funds tracked by Wall St. Rank hold CABA as of Q2 2026.

  • Renaissance Technologies held 1,535,300 shares of Cabaletta Bio worth $4.77M as of Q2 2026.
  • Renaissance Technologies sold 501,363 Cabaletta Bio shares in Q2 2026, an estimated $1.65M.
  • Cabaletta Bio made up 0.01% of Renaissance Technologies's portfolio in Q2 2026, its #1495 holding.
  • Renaissance Technologies first reported a position in Cabaletta Bio in Q1 2020 and has held it in 17 quarters since.
  • Renaissance Technologies's Cabaletta Bio position peaked at $5.48M in Q1 2026.
  • 86 funds tracked by Wall St. Rank held Cabaletta Bio as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.