CABA Cabaletta Bio, Inc.

NASDAQ
$2.55

Cabaletta Bio, Inc. (CABA) Hedge Fund Activity

This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.

Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.

Hedge fund breadth
-45.45
6 buyers / 16 sellers
STRONG SELLING
Funds compared
22
funds with comparable CABA positions
14 current holders · 19 prior-quarter holders
Net share change
-744.5K
+6.92M added, -7.66M cut
Position activity
3 new 3 increased 8 reduced 8 exited

Most significant moves

Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.

Fund Action Shares changed Change Est. value Portfolio wt. Score
CITADEL ADVISORS LLC Quant New +3.52M — $11.0M 0.0% 62
Point72 Asset Management, L.P. Sold Out -246.6K -100.0% $767.0K 0.0% 59
Balyasny Asset Management L.P. Sold Out -11.2K -100.0% $34.7K 0.0% 57
Squarepoint Ops LLC Quant Sold Out -144.7K -100.0% $450.0K 0.0% 54
Hudson Bay Capital Management Event Sold Out -161.7K -100.0% $503.0K 0.0% 53
ADAR1 Capital Management Long/Short Growth New +50.0K — $155.5K 0.0% 53
Quadrature Capital Quant Sold Out -87.1K -100.0% $270.8K 0.0% 52
ExodusPoint Capital Management Long/Short Quant Sold Out -106.0K -100.0% $329.6K 0.0% 52
Schonfeld Strategic Advisors Long/Short Quant Sold Out -28.2K -100.0% $87.6K 0.0% 51
Woodline Partners LP Long/Short Increased +2.95M +235.9% $9.2M 0.0% 50

Most significant buyers

By move score, not size.

  • CITADEL ADVISORS LLC New · +3.52M
  • ADAR1 Capital Management New · +50.0K
  • Woodline Partners LP Increased · +2.95M
  • Quantbot Technologies New · +37.2K
  • Winton Group Increased · +11.7K

Most significant sellers

By move score, not size.

  • Point72 Asset Management, L.P. Sold Out · -246.6K
  • Balyasny Asset Management L.P. Sold Out · -11.2K
  • Squarepoint Ops LLC Sold Out · -144.7K
  • Hudson Bay Capital Management Sold Out · -161.7K
  • Quadrature Capital Sold Out · -87.1K

Hedge fund positions

Fund Tier Shares Previous Change Change % Portfolio wt. Action Score
CITADEL ADVISORS LLC 1 3.5M 0 +3.52M — 0.0% New 62
Point72 Asset Management, L.P. 1 0 246.6K -246.6K -100.0% 0.0% Sold Out 59
Balyasny Asset Management L.P. 2 0 11.2K -11.2K -100.0% 0.0% Sold Out 57
Squarepoint Ops LLC 2 0 144.7K -144.7K -100.0% 0.0% Sold Out 54
Hudson Bay Capital Management 3 0 161.7K -161.7K -100.0% 0.0% Sold Out 53
ADAR1 Capital Management 3 50.0K 0 +50.0K — 0.0% New 53
Quadrature Capital 3 0 87.1K -87.1K -100.0% 0.0% Sold Out 52
ExodusPoint Capital Management 3 0 106.0K -106.0K -100.0% 0.0% Sold Out 52
Schonfeld Strategic Advisors 3 0 28.2K -28.2K -100.0% 0.0% Sold Out 51
Woodline Partners LP 2 4.2M 1.3M +2.95M +235.9% 0.0% Increased 50
Brevan Howard Capital Management 3 0 149.7K -149.7K -100.0% 0.0% Sold Out 49
MILLENNIUM MANAGEMENT LLC 2 2.1M 5.9M -3.83M -65.0% 0.0% Reduced 47
Quantbot Technologies 4 37.2K 0 +37.2K — 0.0% New 45
D. E. Shaw & Co., Inc. 1 90.7K 189.4K -98.8K -52.1% 0.0% Reduced 40
TWO SIGMA INVESTMENTS, LP 2 1.4M 2.5M -1.09M -43.5% 0.0% Reduced 39
Winton Group 4 27.0K 15.3K +11.7K +76.5% 0.0% Increased 36
RENAISSANCE TECHNOLOGIES LLC 1 1.5M 2.0M -501.4K -24.6% 0.0% Reduced 35
MARSHALL WACE, LLP 2 1.6M 2.2M -613.9K -28.2% 0.0% Reduced 34
Qube Research & Technologies Ltd 2 1.4M 1.9M -508.2K -26.3% 0.0% Reduced 33
ADAGE CAPITAL PARTNERS GP, L.L.C. 2 9.2M 8.8M +345.0K +3.9% 0.0% Increased 28
Boothbay Fund Management 4 182.5K 243.4K -61.0K -25.1% 0.0% Reduced 24
Graham Capital Management 3 81.3K 101.7K -20.4K -20.1% 0.0% Reduced 23

Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Hedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.