Hudson Bay Capital Management
CABA icon

Hudson Bay Capital Management’s Cabaletta Bio CABA Stock Holding History

Hudson Bay Capital 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 		– Sell
-161,726
Closed -$435K – 1390
2026
Q1 		$435K Buy
161,726
+22,997
+17% +$63.9K ﹤0.01% 995
2025
Q4 		$304K Buy
+138,729
New +$344K ﹤0.01% 917
2025
Q3 		– Sell
-13,070
Closed -$19.9K – 1279
2025
Q2 		$19.9K Buy
+13,070
New +$20.4K ﹤0.01% 1310

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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

Hudson Bay Capital Management's CABA Position: Q2 2026 in Review

Hudson Bay Capital Management sold out of Cabaletta Bio (CABA) in Q2 2026, closing a stake of 161,726 shares — an estimated $435K sold.

Hudson Bay Capital Management first reported a position in CABA in Q2 2025 and held it in 3 quarters. The position peaked at $435K in Q1 2026. 139 funds tracked by Wall St. Rank hold CABA as of Q2 2026.

  • Hudson Bay Capital Management reported no remaining Cabaletta Bio position as of Q2 2026 after selling out during the quarter.
  • Hudson Bay Capital Management sold 161,726 Cabaletta Bio shares in Q2 2026, an estimated $435K.
  • Hudson Bay Capital Management first reported a position in Cabaletta Bio in Q2 2025 and held it in 3 quarters.
  • Hudson Bay Capital Management's Cabaletta Bio position peaked at $435K in Q1 2026.
  • 139 funds tracked by Wall St. Rank held Cabaletta Bio as of Q2 2026.

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