Ridgeback Capital Investments LLC — 13F Holdings

2007 Q3  ·  31 Positions

2007 Q3 Portfolio Activity

In 2007 Q3, Ridgeback Capital Investments LLC maintained a portfolio of 31 distinct positions. The most significant new addition was Wyeth Commo, now representing 7.33% of the total fund value. They heavily accumulated shares in Acorda Therapeutics Commo, increasing the position by 732.2%. The fund also reduced its exposure to Adams Respiratory Common St by 86.7%.
Position History hover any row below to update
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PCA Score Concentration Risk
Risk ENB
Total Positions
31
Quarter
2007 Q3
Top Holding
MNTA (71.3%)
Top 10 Concentration
97.2%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-31 of 31

Ridgeback Capital Investments LLC Full Holdings List — 2007 Q3

Stock History Sector / Type Port % Prev % Rank / Prev Conviction
Freshness
Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
MNTA
Momenta ...
Unknown 71.35% 3.39% #1 6
Prev: #7
6.0
-690,820 -28.0%
P
S
1,779,706 $1,098,486,000 2006 Q4 13F Filing 2007-09-30 2007-11-14 (Est.)
WYE
Wyeth ...
Unknown 7.33% #2
Prev: #—
7.9
2,535,000
NEW
2,535,000 $112,934,000 2007 Q3 13F Filing 2007-09-30 2007-11-14 (Est.)
HGSI
Human Genome Sc...
Unknown 4.34% 10.75% #3
Prev: #3
3.7
no change no change
P
S
6,500,000 $66,885,000 2007 Q2 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Acorda Therapeu...
Unknown 3.97% 10.53% #4
Prev: #4
3.1
no change no change
P
S
3,328,762 $61,082,000 13F Filing 2007-09-30 2007-11-14 (Est.)
KYPH
Kyphon Inc. ...
Unknown 3.02% #5
Prev: #—
5.2
663,321
NEW
663,321 $46,432,000 2007 Q3 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Zymogenetics In...
Unknown 2.42% 8.26% #6 1
Prev: #5
1.5
-189,450 -6.2%
P
S
2,860,550 $37,330,000 13F Filing 2007-09-30 2007-11-14 (Est.)
BIIB
Biogen Idec Inc...
Healthcare 1.72% 17.85% #7 5
Prev: #2
0.7
-1,400,000 -77.8%
P
S
400,000 $26,532,000 2007 Q1 13F Filing 2007-09-30 2007-11-14 (Est.)
GENZ
Genzyme Corp. ...
Unknown 1.41% #8
Prev: #—
4.1
350,000
NEW
350,000 $21,686,000 2007 Q3 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Biodel Inc. ...
Unknown 0.91% 2.67% #9 1
Prev: #8
2.4
92,300 12.7%
P
S
820,686 $13,984,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Vivus Inc. ...
Unknown 0.75% 2.25% #10
Prev: #10
1.3
no change no change
P
S
2,317,814 $11,496,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Pipex Pharmaceu...
Unknown 0.54% #11
Prev: #—
3.7
1,237,710
NEW
1,237,710 $8,331,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Isolagen Inc. ...
Unknown 0.48% 2.17% #12 1
Prev: #11
1.2
no change no change
P
S
2,754,900 $7,355,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Maxygen Inc. ...
Unknown 0.48% 1.71% #13
Prev: #13
1.2
no change no change
P
S
1,074,526 $7,317,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Avigen Inc. ...
Unknown 0.44% 1.43% #14 1
Prev: #15
1.2
no change no change
P
S
1,253,707 $6,770,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Poniard ...
Unknown 0.20% 0.68% #15 1
Prev: #16
1.1
no change no change
P
S
539,000 $3,056,000 13F Filing 2007-09-30 2007-11-14 (Est.)
TRMS
Trimeris Inc. ...
Unknown 0.18% #16
Prev: #—
3.6
350,067
NEW
350,067 $2,723,000 2007 Q3 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Bentley ...
Unknown 0.12% #17
Prev: #—
3.5
147,663
NEW
147,663 $1,842,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Adams Respirato...
Unknown 0.10% 21.91% #18 17
Prev: #1
0.0
-2,960,000 -98.7%
P
S
40,000 $1,541,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
AP Pharma Inc. ...
Unknown 0.10% 0.30% #19 2
Prev: #21
1.0
no change no change
P
S
732,891 $1,502,000 13F Filing 2007-09-30 2007-11-14 (Est.)
EXAS
Exact Sciences ...
Healthcare 0.06% 0.17% #20 4
Prev: #24
0.5
-50,000 -15.4%
P
S
275,000 $932,000 2006 Q4 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Altus Pharmaceu...
Unknown 0.06% 0.18% #21 2
Prev: #23
1.0
no change no change
P
S
83,397 $874,000 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Monogram Biosci...
Unknown 0.04% 0.13% #22 3
Prev: #25
1.0
no change no change
P
S
400,000 $572,000 13F Filing 2007-09-30 2007-11-14 (Est.)
ALNY
Alnylam ...
Healthcare 0.00% 0.28%
Sold All 😨
(Was: #22)
0.0
-100,000 -100.0%
CLOSED
$— 2007 Q1 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Tanox Inc. ...
Unknown 0.00% 0.42%
Sold All 😨
(Was: #20)
0.0
-116,200 -100.0%
CLOSED
$— 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Cardiome Pharma...
Unknown 0.00% 0.60%
Sold All 😨
(Was: #19)
0.0
-351,521 -100.0%
CLOSED
$— 13F Filing 2007-09-30 2007-11-14 (Est.)
HNSN
Hansen Medical ...
Unknown 0.00% 0.63%
Sold All 😨
(Was: #18)
0.0
-179,087 -100.0%
CLOSED
$— 2007 Q2 13F Filing 2007-09-30 2007-11-14 (Est.)
OSIP
OSI Pharmaceuti...
Unknown 0.00% 0.67%
Sold All 😨
(Was: #17)
0.0
-100,000 -100.0%
CLOSED
$— 2007 Q2 13F Filing 2007-09-30 2007-11-14 (Est.)
INCY
Incyte Corp. ...
Healthcare 0.00% 1.67%
Sold All 😨
(Was: #14)
0.0
-1,504,443 -100.0%
CLOSED
$— 2007 Q2 13F Filing 2007-09-30 2007-11-14 (Est.)
ACAD
Acadia Pharmace...
Healthcare 0.00% 1.98%
Sold All 😨
(Was: #12)
0.0
-781,500 -100.0%
CLOSED
$— 2006 Q4 13F Filing 2007-09-30 2007-11-14 (Est.)
N/A
Imclone Sys. In...
Unknown 0.00% 2.62%
Sold All 😨
(Was: #9)
0.0
-400,000 -100.0%
CLOSED
$— 13F Filing 2007-09-30 2007-11-14 (Est.)
CVS
CVS Caremark Co...
Healthcare 0.00% 6.76%
Sold All 😨
(Was: #6)
0.0
-1,000,000 -100.0%
CLOSED
$— 2007 Q1 13F Filing 2007-09-30 2007-11-14 (Est.)
Showing 1-31 of 31 holdings

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