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Rallybio
RLYB

Overview Fund Activity

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
Holders
48
Holders Change
+1
Holders Change %
+2.13%
% of All Funds
0.64%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
7
Increased
8
Reduced
12
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
AC
Almitas Capital
California
$614K
2
UBS Group
UBS Group
Switzerland
$40.6K
3
Renaissance Technologies
Renaissance Technologies
New York
$164K
4
Fidelity Investments
Fidelity Investments
Massachusetts
$632K
5
VF
Virtu Financial
New York
$19K

Top Sellers

1
AI
Allostery Investments
Connecticut
$0
2
CPX
Canaan Partners XI
California
$318K
3
BCM
Bridgeway Capital Management
Texas
$0
4
Aberdeen Group
Aberdeen Group
United Kingdom
$539K
5
Squarepoint
Squarepoint
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
XT
26
XTX Topco
Cayman Islands
$18.8K +$18.8K +55,479 New
Wells Fargo
27
Wells Fargo
California
$13.5K -$733 -2,168 -5%
Northern Trust
28
Northern Trust
Illinois
$12.9K – – –
Morgan Stanley
29
Morgan Stanley
New York
$12.3K – – –
HF
30
HRT Financial
New York
$10K +$10K +29,607 New
Susquehanna International Group
31
Susquehanna International Group
Pennsylvania
$7.86K +$7.86K +23,263 New
TSS
32
Two Sigma Securities
New York
$5.12K +$5.12K +15,153 New
GVAG
33
Great Valley Advisor Group
Delaware
$5.07K – – –
Barclays
34
Barclays
United Kingdom
$5K – – –
URS
35
Utah Retirement Systems
Utah
$4.48K – – –
Jane Street
36
Jane Street
New York
$3.97K +$378 +1,118 +11%
HSBC Holdings
37
HSBC Holdings
United Kingdom
$3.5K -$510 -1,534 -13%
Mercer Global Advisors
38
Mercer Global Advisors
Colorado
$3.38K – – –
CAPTRUST Financial Advisors
39
CAPTRUST Financial Advisors
North Carolina
$3.38K – – –
Bank of America
40
Bank of America
North Carolina
$2.97K +$9 +26 +0.3%
TRCT
41
Tower Research Capital (TRC)
New York
$2.48K +$727 +2,150 +41%
HFM
42
Hartford Financial Management
Connecticut
$2.2K – – –
SS
43
SBI Securities
Japan
$1.5K -$14 -40 -0.9%
Federated Hermes
44
Federated Hermes
Pennsylvania
$747 – – –
BNP Paribas Financial Markets
45
BNP Paribas Financial Markets
France
$332 – – –
JPMorgan Chase & Co
46
JPMorgan Chase & Co
New York
$298 -$21 -62 -7%
Raymond James Financial
47
Raymond James Financial
Florida
$288 +$288 +850 New
AF
48
Allworth Financial
California
$17 +$17 +50 New
AI
49
Allostery Investments
Connecticut
– -$492K -752,235 Closed
BCM
50
Bridgeway Capital Management
Texas
– -$60K -91,600 Closed
1
2
3