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Opaleye Management’s Cabaletta Bio CABA Stock Holding History

Opaleye Management’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 		$12M Buy
3,863,800
+2,483,800
+180% +$8.17M 1.09% 26
2026
Q1 		$3.71M Buy
1,380,000
+480,000
+53% +$1.33M 0.49% 37
2025
Q4 		$1.97M Buy
900,000
+91,118
+11% +$226K 0.26% 45
2025
Q3 		$1.89M Buy
+808,882
New +$1.39M 0.27% 34

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 $3.38T AUM 44.17% 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

Opaleye Management's CABA Position: Q2 2026 in Review

Opaleye Management increased its Cabaletta Bio (CABA) stake by 180% in Q2 2026, buying an estimated $8.17M and bringing the position to 3,863,800 shares worth $12M. The position accounts for 1.09% of the portfolio, ranked #26.

Opaleye Management first reported a position in CABA in Q3 2025 and has held it in 4 quarters since. 139 funds tracked by Wall St. Rank hold CABA as of Q2 2026.

  • Opaleye Management held 3,863,800 shares of Cabaletta Bio worth $12M as of Q2 2026.
  • Opaleye Management bought 2,483,800 Cabaletta Bio shares in Q2 2026, an estimated $8.17M.
  • Cabaletta Bio made up 1.09% of Opaleye Management's portfolio in Q2 2026, its #26 holding.
  • Opaleye Management first reported a position in Cabaletta Bio in Q3 2025 and has held it in 4 quarters since.
  • 139 funds tracked by Wall St. Rank held Cabaletta Bio as of Q2 2026.

Based on Opaleye Management's 13F filing for Q2 2026, filed 14 Aug 2026.