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John Overdeck’s Cabaletta Bio CABA Stock Holding History

John Overdeck’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 		$4.39M Sell
1,410,931
-1,086,986
-44% -$3.57M ﹤0.01% 2263
2026
Q1 		$6.72M Buy
2,497,917
+658,118
+36% +$1.83M 0.01% 1736
2025
Q4 		$4.03M Buy
1,839,799
+1,369,324
+291% +$3.39M 0.01% 1906
2025
Q3 		$1.1M Buy
470,475
+218,118
+86% +$374K ﹤0.01% 2512
2025
Q2 		$384K Sell
252,357
-69,054
-21% -$108K ﹤0.01% 2691
2025
Q1 		$445K Sell
321,411
-430,483
-57% -$917K ﹤0.01% 2567
2024
Q4 		$1.71M Buy
751,894
+331,417
+79% +$1.16M ﹤0.01% 1822
2024
Q3 		$1.98M Buy
420,477
+25,040
+6% +$145K ﹤0.01% 1686
2024
Q2 		$2.96M Buy
395,437
+358,763
+978% +$4.4M 0.01% 1294
2024
Q1 		$626K Sell
36,674
-38,117
-51% -$818K ﹤0.01% 2226
2023
Q4 		$1.7M Buy
74,791
+28,066
+60% +$472K ﹤0.01% 1725
2023
Q3 		$711K Buy
46,725
+734
+2% +$10K ﹤0.01% 2120
2023
Q2 		$594K Sell
45,991
-38,681
-46% -$420K ﹤0.01% 2253
2023
Q1 		$700K Buy
84,672
+70,372
+492% +$659K ﹤0.01% 2049
2022
Q4 		$132K Sell
14,300
-23,758
-62% -$86.5K ﹤0.01% 2467
2022
Q3 		$25K Sell
38,058
-58,152
-60% -$70K ﹤0.01% 2366
2022
Q2 		$102K Sell
96,210
-53,719
-36% -$76K ﹤0.01% 2267
2022
Q1 		$304K Buy
149,929
+81,362
+119% +$213K ﹤0.01% 2210
2021
Q4 		$260K Sell
68,567
-10,763
-14% -$115K ﹤0.01% 3745
2021
Q3 		$965K Buy
79,330
+66,622
+524% +$614K ﹤0.01% 2648
2021
Q2 		$109K Sell
12,708
-21,093
-62% -$207K ﹤0.01% 3885
2021
Q1 		$375K Buy
33,801
+17,136
+103% +$209K ﹤0.01% 3169
2020
Q4 		$208K Buy
16,665
+4,651
+39% +$60.3K ﹤0.01% 3099
2020
Q3 		$130K Sell
12,014
-1,863
-13% -$21.4K ﹤0.01% 2908
2020
Q2 		$155K Buy
+13,877
New +$106K ﹤0.01% 2707

Other funds holding CABA

Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
CAM
Cormorant Asset Management Boston, Massachusetts $1.95B AUM 773.9% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

John Overdeck's CABA Position: Q2 2026 in Review

John Overdeck reduced its Cabaletta Bio (CABA) stake by 44% in Q2 2026, selling an estimated $3.57M and leaving 1,410,931 shares worth $4.39M. The position accounts for ﹤0.01% of the portfolio, ranked #2263.

John Overdeck first reported a position in CABA in Q2 2020 and has held it in 25 quarters since. The position peaked at $6.72M in Q1 2026. 139 funds tracked by Wall St. Rank hold CABA as of Q2 2026.

  • John Overdeck held 1,410,931 shares of Cabaletta Bio worth $4.39M as of Q2 2026.
  • John Overdeck sold 1,086,986 Cabaletta Bio shares in Q2 2026, an estimated $3.57M.
  • Cabaletta Bio made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2263 holding.
  • John Overdeck first reported a position in Cabaletta Bio in Q2 2020 and has held it in 25 quarters since.
  • John Overdeck's Cabaletta Bio position peaked at $6.72M in Q1 2026.
  • 139 funds tracked by Wall St. Rank held Cabaletta Bio as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.