ARDSLEY ADVISORY PARTNERS LP - ACTIVE POWER INC ownership

ACTIVE POWER INC's ticker is PIOI and the CUSIP is 00504W308. A total of 37 filers reported holding ACTIVE POWER INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
ARDSLEY ADVISORY PARTNERS LP ownership history of ACTIVE POWER INC
ValueSharesWeighting
Q2 2014$781,000
-9.0%
283,100
+9.2%
0.10%
-22.5%
Q1 2014$858,000
-68.5%
259,300
-60.2%
0.13%
-78.4%
Q2 2013$2,726,000652,1870.60%
Other shareholders
ACTIVE POWER INC shareholders Q2 2013
NameSharesValueWeighting ↓
Spark Investment Management LLC 36,700$14,0000.00%
IFP Advisors, Inc 33$00.00%
ROYAL BANK OF CANADA 400$00.00%
DIMENSIONAL FUND ADVISORS LP 35,791$14,0000.00%
BANK OF AMERICA CORP /DE/ 4,001$2,0000.00%
STIFEL FINANCIAL CORP 230,000$91,0000.00%
NORTHERN TRUST CORP 30,641$13,0000.00%
MANUFACTURERS LIFE INSURANCE COMPANY, THE 1,433$1,0000.00%
GEODE CAPITAL MANAGEMENT, LLC 75,138$29,0000.00%
CHICKASAW CAPITAL MANAGEMENT LLC 14,000$6,0000.00%
View complete list of ACTIVE POWER INC shareholders