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Pacific Biosciences
PACB

Overview Fund Activity

203 hedge funds and large institutions have $243M invested in Pacific Biosciences in 2025 Q2 according to their latest regulatory filings, with 29 funds opening new positions, 54 increasing their positions, 69 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
203
Holders Change
-19
Holders Change %
-8.56%
% of All Funds
2.72%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
29
Increased
54
Reduced
69
Closed
46
Calls
$2.16M
Puts
$2.62M
Net Calls
-$462K
Net Calls Change
-$3.02M

Top Buyers

1
PD
Point72 (DIFC)
United Arab Emirates
$3.05M
2
PEAK6
PEAK6
Illinois
$1.24M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$1.59M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
$1.13M
5
National Bank of Canada
National Bank of Canada
Quebec, Canada
$1.34M

Top Sellers

1
EDRH
Edmond de Rothschild Holding
Switzerland
$16.6M
2
MA
Madrone Advisors
California
$20.8M
3
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$10K
4
JSP
Jackson Square Partners
California
$686K
5
Morgan Stanley
Morgan Stanley
New York
$1.03M
Name Holding Trade Value Shares
Change 		Shares
Change %
AIM
1
ARK Investment Management
Florida
$45M -$224K -180,278 -0.5%
BlackRock
2
BlackRock
New York
$28.1M -$995K -802,378 -3%
SoftBank Group
3
SoftBank Group
Japan
$25.4M – – –
MA
4
Madrone Advisors
California
$20.8M -$8.22M -6,629,699 -28%
Vanguard Group
5
Vanguard Group
Pennsylvania
$19.9M -$305K -246,289 -2%
EDRH
6
Edmond de Rothschild Holding
Switzerland
$16.6M -$10.5M -8,488,980 -39%
Sumitomo Mitsui Trust Group
7
Sumitomo Mitsui Trust Group
Japan
$11.4M -$430K -346,876 -4%
NAMA
8
Nikko Asset Management Americas
New York
$11.3M -$427K -346,876 -4%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$8.33M +$498K +401,637 +6%
State Street
10
State Street
Massachusetts
$7.14M -$775K -625,009 -10%
KOC
11
Koss-Olinger Consulting
Florida
$4.09M +$372K +300,000 +10%
PD
12
Point72 (DIFC)
United Arab Emirates
$3.05M +$3.05M +2,459,000 New
Charles Schwab
13
Charles Schwab
California
$2.84M +$209K +168,405 +8%
Northern Trust
14
Northern Trust
Illinois
$2.74M -$283K -228,596 -9%
UBS Group
15
UBS Group
Switzerland
$2.47M -$361K -291,120 -13%
VAS
16
Vestmark Advisory Solutions
Massachusetts
$1.6M +$760K +612,760 +90%
Susquehanna International Group
17
Susquehanna International Group
Pennsylvania
$1.59M +$1.16M +934,622 +269%
National Bank of Canada
18
National Bank of Canada
Quebec, Canada
$1.34M +$884K +712,978 +192%
PEAK6
19
PEAK6
Illinois
$1.24M +$1.24M +1,000,000 New
BLAM
20
Bourne Lent Asset Management
New York
$1.21M – – –
XT
21
XTX Topco
Cayman Islands
$1.18M +$578K +466,359 +96%
HA
22
HHLR Advisors
Cayman Islands
$1.14M – – –
Point72 Asset Management
23
Point72 Asset Management
Connecticut
$1.13M +$1.13M +914,190 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$1.1M +$30.8K +24,827 +3%
Millennium Management
25
Millennium Management
New York
$1.08M -$1.66M -1,335,804 -61%
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