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OPTR

OPTIMER PHARMACEUTICALS, INC. COM STK
OPTR

Delisted

OPTR was delisted on the 23rd of October, 2013.

104 hedge funds and large institutions have $526M invested in OPTIMER PHARMACEUTICALS, INC. COM STK in 2013 Q3 according to their latest regulatory filings, with 36 funds opening new positions, 34 increasing their positions, 25 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

36% more repeat investments, than reductions

Existing positions increased: 34 | Existing positions reduced: 25

9% more first-time investments, than exits

New positions opened: 36 | Existing positions closed: 33

1% more funds holding

Funds holding: 103104 (+1)

18% less capital invested

Capital invested by funds: $642M → $526M (-$116M)

74% less call options, than puts

Call options by funds: $1.84M | Put options by funds: $6.99M

Holders
104
Holders Change
+1
Holders Change %
+0.97%
% of All Funds
3.37%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
36
Increased
34
Reduced
25
Closed
33
Calls
$1.84M
Puts
$6.99M
Net Calls
-$5.14M
Net Calls Change
-$9.23M
Name Holding Trade Value Shares
Change
Change in
Stake
WIC
1
Water Island Capital
New York
$37M +$38.6M +2,909,395 +9,566%
Vanguard Group
2
Vanguard Group
Pennsylvania
$34.3M +$1.65M +124,376 +5%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$33.3M -$27.9M -2,103,867 -44%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$31.1M -$35.3M -2,660,708 -52%
State Street
5
State Street
Massachusetts
$28.1M +$7.16M +540,177 +32%
AAA
6
Alpine Associates Advisors
New Jersey
$27.9M +$29.3M +2,213,127 New
BFA
7
BlackRock Fund Advisors
California
$26.1M +$3.07M +231,532 +13%
Citadel Advisors
8
Citadel Advisors
Florida
$24.8M +$7.5M +565,977 +40%
DKCM
9
Davidson Kempner Capital Management
New York
$23.2M +$24.4M +1,845,022 New
JG
10
Jefferies Group
New York
$20.1M +$21.2M +1,599,865 +1,185,085%
Morgan Stanley
11
Morgan Stanley
New York
$18.6M +$19.4M +1,460,943 +11,766%
BIT
12
BlackRock Institutional Trust
California
$18.5M +$1.33M +100,401 +7%
BB
13
BB Biotech
Switzerland
$17.9M -$325K -24,500 -2%
CC
14
Carlson Capital
Texas
$14.8M +$15.6M +1,177,400 New
JCI
15
Jet Capital Investors
New York
$12.9M +$13.6M +1,027,589 New
AQR Capital Management
16
AQR Capital Management
Connecticut
$12.6M +$13.3M +1,000,000 New
OAM
17
Oxford Asset Management
United Kingdom
$10.6M +$8.59M +648,160 +340%
GCIA
18
Gabelli & Co Investment Advisers
New York
$10M +$10.6M +796,617 New
LIM
19
Longfellow Investment Management
Massachusetts
$9.53M +$10M +757,000 New
COPPSERS
20
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$8.9M +$9.37M +707,012 New
QF
21
QVT Financial
New York
$7.27M -$13.9M -1,052,234 -65%
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$7.14M +$3.59M +270,689 +91%
Northern Trust
23
Northern Trust
Illinois
$6.96M -$2.01M -151,555 -22%
Axa
24
Axa
France
$6.46M +$643K +48,499 +10%
SGA
25
Sector Gamma AS
Norway
$4.74M +$464K +35,000 +10%

OPTR Hedge Fund Activity: Q3 2013 in Review

104 of the 3,085 institutional investors tracked by Wall St. Rank reported a position in OPTIMER PHARMACEUTICALS, INC. COM STK (OPTR) for Q3 2013, worth a combined $526M — down 18% from $642M a quarter earlier.

Buyers outnumbered sellers: 36 funds opened new OPTR positions and 33 closed out — a net gain of 3 holders — while 34 added to existing stakes and 25 trimmed.

The largest buyer was Water Island Capital, adding an estimated $38.6M. The largest seller was Wellington Management Group, cutting an estimated $44.7M.

  • 104 institutional investors held OPTIMER PHARMACEUTICALS, INC. COM STK (OPTR) as of Q3 2013, up from 103 in Q2 2013.
  • Funds reported $526M of OPTIMER PHARMACEUTICALS, INC. COM STK stock for Q3 2013, down 18% quarter-over-quarter.
  • 36 funds opened new OPTIMER PHARMACEUTICALS, INC. COM STK positions in Q3 2013 and 33 closed out, a net change of +3 holders.
  • The largest OPTIMER PHARMACEUTICALS, INC. COM STK buyer in Q3 2013 was Water Island Capital, an estimated $38.6M added.
  • The largest OPTIMER PHARMACEUTICALS, INC. COM STK seller in Q3 2013 was Wellington Management Group, an estimated $44.7M sold.

Based on aggregated 13F filings for Q3 2013.