GROUP ONE TRADING, L.P. - ROCK CREEK PHARMACEUTICALS I ownership

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ROCK CREEK PHARMACEUTICALS I's ticker is and the CUSIP is 772081955. A total of 3 filers reported holding ROCK CREEK PHARMACEUTICALS I in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

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Filings
Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ROCK CREEK PHARMACEUTICALS I
ValueSharesWeighting
Q1 2015$0
-100.0%
4,000
-94.9%
0.00%–
Q4 2014$14,000
-39.1%
77,700
-5.9%
0.00%–
Q3 2014$23,000
-56.6%
82,600
-8.5%
0.00%
-100.0%
Q2 2014$53,000–90,300–0.00%–
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Other shareholders
ROCK CREEK PHARMACEUTICALS I shareholders Q1 2015
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 4,000$00.00%
Citadel Advisors 1,400$00.00%
SIMPLEX TRADING, LLC 18$2,0000.00%
View complete list of ROCK CREEK PHARMACEUTICALS I shareholders