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Rallybio
RLYB

54 hedge funds and large institutions have $76.1M invested in Rallybio in 2023 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 19 increasing their positions, 10 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

90% more repeat investments, than reductions

Existing positions increased: 19 | Existing positions reduced: 10

0.22% more ownership

Funds ownership: 10.32% → 10.54% (+0.22%)

7% less funds holding

Funds holding: 58 → 54 (-4)

25% less funds holding in top 10

Funds holding in top 10: 4 → 3 (-1)

25% less first-time investments, than exits

New positions opened: 9 | Existing positions closed: 12

28% less capital invested

Capital invested by funds: $105M → $76.1M (-$29M)

Holders
54
Holders Change
-4
Holders Change %
-6.9%
% of All Funds
0.79%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
9
Increased
19
Reduced
10
Closed
12
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Aberdeen Group
Aberdeen Group
United Kingdom
+$5.28M
2
BOCH
Blue Owl Capital Holdings
New York
+$1.07M
3
AFM
Anson Funds Management
Texas
+$562K
4
Morgan Stanley
Morgan Stanley
New York
+$557K
5
BlackRock
BlackRock
New York
+$380K

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$2.17M
2
NHAS
Novo Holdings A/S
Denmark
-$1.28M
3
SAM
Sectoral Asset Management
Quebec, Canada
-$1.27M
4
VA
VR Adviser
New York
-$905K
5
FSA
Financial Security Advisor
Virginia
-$169K
Name Holding Trade Value Shares
Change 		Change in
Stake
Viking Global Investors
1
Viking Global Investors
Connecticut
$10M – – –
5VM
2
5AM Venture Management
California
$8.68M – – –
NLVP
3
New Leaf Venture Partners
New York
$7.89M – – –
TGA
4
TPG GP A
Texas
$7.24M – – –
Fidelity Investments
5
Fidelity Investments
Massachusetts
$6.06M -$2.17M -88,840 -22%
PBPIA
6
Pivotal bioVenture Partners Investment Advisor
California
$5.75M – – –
CPX
7
Canaan Partners XI
California
$4.92M – – –
NHAS
8
Novo Holdings A/S
Denmark
$4.23M -$1.28M -52,517 -19%
BlackRock
9
BlackRock
New York
$4.2M +$380K +15,538 +8%
Aberdeen Group
10
Aberdeen Group
United Kingdom
$4.13M +$5.28M +215,883 New
Vanguard Group
11
Vanguard Group
Pennsylvania
$2.54M +$43.2K +1,767 +1%
LCM
12
Laurion Capital Management
New York
$1.87M – – –
State Street
13
State Street
Massachusetts
$1.22M +$11.4K +468 +0.7%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$1.21M +$21.4K +876 +1%
Mariner
15
Mariner
Kansas
$967K -$10.8K -441 -0.9%
BOCH
16
Blue Owl Capital Holdings
New York
$837K +$1.07M +43,780 New
Citadel Advisors
17
Citadel Advisors
Florida
$761K +$112K +4,563 +13%
Northern Trust
18
Northern Trust
Illinois
$597K +$87.8K +3,594 +13%
Morgan Stanley
19
Morgan Stanley
New York
$474K +$557K +22,808 +1,157%
AFM
20
Anson Funds Management
Texas
$440K +$562K +22,996 New
BCM
21
Bridgeway Capital Management
Texas
$307K +$142K +5,813 +57%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$216K -$1.25K -51 -0.4%
Charles Schwab
23
Charles Schwab
California
$184K – – –
N
24
Nuveen
North Carolina
$153K +$8.41K +344 +5%
Bank of America
25
Bank of America
North Carolina
$146K +$99K +4,051 +112%
1
2 3

RLYB Hedge Fund Activity: Q4 2023 in Review

54 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Rallybio (RLYB) for Q4 2023, worth a combined $76.1M — down 28% from $105M a quarter earlier.

Sellers outnumbered buyers: 12 funds closed out of RLYB and 9 opened new positions — a net loss of 3 holders — while 10 trimmed existing stakes and 19 added.

The largest buyer was Aberdeen Group, opening a new position worth an estimated $5.28M. The largest seller was Fidelity Investments, cutting an estimated $2.17M.

  • 54 institutional investors held Rallybio (RLYB) as of Q4 2023, down from 58 in Q3 2023.
  • Funds reported $76.1M of Rallybio stock for Q4 2023, down 28% quarter-over-quarter.
  • 9 funds opened new Rallybio positions in Q4 2023 and 12 closed out, a net change of -3 holders.
  • The largest Rallybio buyer in Q4 2023 was Aberdeen Group, an estimated $5.28M added.
  • The largest Rallybio seller in Q4 2023 was Fidelity Investments, an estimated $2.17M sold.

Based on aggregated 13F filings for Q4 2023.