PEAK6 Group LLC - AMPCO-PITTSBURGH CORP ownership

AMPCO-PITTSBURGH CORP's ticker is AP and the CUSIP is 032037103. A total of 66 filers reported holding AMPCO-PITTSBURGH CORP in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
PEAK6 Group LLC ownership history of AMPCO-PITTSBURGH CORP
ValueSharesWeighting
Q3 2017$208,000
-55.4%
11,954
-62.2%
0.00%
-66.7%
Q2 2017$466,000
+28.0%
31,600
+22.1%
0.00%0.0%
Q1 2017$364,000
+17.4%
25,884
+39.9%
0.00%
+50.0%
Q4 2016$310,00018,5000.00%
Other shareholders
AMPCO-PITTSBURGH CORP shareholders Q4 2016
NameSharesValueWeighting ↓
PERRITT CAPITAL MANAGEMENT INC 110,000$668,0000.35%
Monarch Partners Asset Management LLC 185,577$1,126,0000.16%
GAMCO INVESTORS, INC. ET AL 2,002,821$12,157,0000.10%
Walthausen & Co., LLC 113,929$728,0000.08%
RBF Capital, LLC 189,635$1,151,0000.06%
Teton Advisors, Inc. 46,080$280,0000.04%
GABELLI FUNDS LLC 857,435$5,205,0000.03%
BRIDGEWAY CAPITAL MANAGEMENT, LLC 287,600$1,746,0000.03%
JAMES INVESTMENT RESEARCH INC 20,350$124,0000.01%
Virtu Financial LLC 11,146$68,0000.01%
View complete list of AMPCO-PITTSBURGH CORP shareholders