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Rallybio

48 hedge funds and large institutions have $10.5M invested in Rallybio in 2025 Q2 according to their latest regulatory filings, with 7 funds opening new positions, 8 increasing their positions, 12 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

33% less repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 12

50% less capital invested

Capital invested by funds: $20.9M → $10.5M (-$10.4M)

Holders
48
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$175K
2 +$35.4K
3 +$29.9K
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$28.8K
5
VF
Virtu Financial
New York
+$19K

Top Sellers

1 -$492K
2 -$200K
3 -$60K
4
Aberdeen Group
Aberdeen Group
United Kingdom
-$44.5K
5
Squarepoint
Squarepoint
New York
-$21.8K