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Pacific Biosciences
PACB
PACB
229 hedge funds and large institutions have $249M invested in Pacific Biosciences in 2026 Q1 according to their latest regulatory filings, with 52 funds opening new positions, 60 increasing their positions, 70 reducing their positions, and 30 closing their positions.
New
Increased
Maintained
Reduced
Closed
73% more first-time investments, than exits
New positions opened: 52 | Existing positions closed: 30
7% more funds holding
Funds holding: 215 → 229 (+14)
9% more call options, than puts
Call options by funds: $1.17M | Put options by funds: $1.07M
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
4.18% less ownership
Funds ownership: 66.49% → 62.31% (-4.2%)
14% less repeat investments, than reductions
Existing positions increased: 60 | Existing positions reduced: 70
33% less capital invested
Capital invested by funds: $374M → $249M (-$125M)
Holders
229
Holders Change
+14
Holders Change %
+6.51%
% of All Funds
2.82%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
52
Increased
60
Reduced
70
Closed
30
Calls
$1.17M
Puts
$1.07M
Net Calls
+$100K
Net Calls Change
-$5.18M
Top Buyers
| 1 |
N
Nuveen
Charlotte,
North Carolina
|
+$3.76M |
| 2 |
BlackRock
New York
|
+$3.44M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$2.12M |
| 4 |
BC
Birchview Capital
Burlington,
Vermont
|
+$1.79M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$1.22M |
Top Sellers
| 1 |
CC
Casdin Capital
New York
|
-$6.26M |
| 2 |
KOC
Koss-Olinger Consulting
Gainesville,
Florida
|
-$4.86M |
| 3 |
Point72 Asset Management
Stamford,
Connecticut
|
-$4.78M |
| 4 |
AG
Amiral Gestion
Paris,
France
|
-$3.21M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$2.84M |
