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Gibraltar Industries
ROCK

202 hedge funds and large institutions have $1.31B invested in Gibraltar Industries in 2016 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 77 increasing their positions, 65 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

99.89% more ownership

Funds ownership: 0% → 99.89% (+100%)

95% more first-time investments, than exits

New positions opened: 37 | Existing positions closed: 19

18% more repeat investments, than reductions

Existing positions increased: 77 | Existing positions reduced: 65

14% more capital invested

Capital invested by funds: $1.15B → $1.31B (+$164M)

6% more funds holding

Funds holding: 190 → 202 (+12)

5% more call options, than puts

Call options by funds: $1.84M | Put options by funds: $1.75M

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

Holders
202
Holders Change
+12
Holders Change %
+6.32%
% of All Funds
5.05%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
37
Increased
77
Reduced
65
Closed
19
Calls
$1.84M
Puts
$1.75M
Net Calls
+$94K
Net Calls Change
+$301K

Top Buyers

1
Renaissance Technologies
Renaissance Technologies
New York
+$12.1M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$10.4M
3
JIR
James Investment Research
Ohio
+$9.61M
4
BFA
BlackRock Fund Advisors
California
+$9.36M
5
Goldman Sachs
Goldman Sachs
New York
+$6.7M

Top Sellers

1
Pzena Investment Management
Pzena Investment Management
New York
-$23M
2
Fidelity Investments
Fidelity Investments
Massachusetts
-$14.4M
3
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss
Texas
-$8.7M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$6.47M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$5.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
Northwestern Mutual Wealth Management
201
Northwestern Mutual Wealth Management
Wisconsin
$1K +$1.24K +30 New
GRP
202
Global Retirement Partners
California
$1K +$1.36K +33 New
Arrowstreet Capital
203
Arrowstreet Capital
Massachusetts
– -$5.3M -142,759 Closed
LG
204
Leuthold Group
Minnesota
– -$2.92M -78,481 Closed
HIS
205
Horizon Investment Services
Indiana
– -$2.68M -72,029 Closed
OAM
206
Oxford Asset Management
United Kingdom
– -$1.71M -45,931 Closed
WCM
207
Wedge Capital Management
North Carolina
– -$1.47M -39,675 Closed
AL
208
Airain Ltd
Guernsey
– -$569K -15,316 Closed
PMAM
209
Picton Mahoney Asset Management
Ontario, Canada
– -$542K -14,600 Closed
CF
210
CNA Financial
Illinois
– -$487K -13,131 Closed
LA
211
Lucus Advisors
New York
– -$391K -10,525 Closed
ZIM
212
Zacks Investment Management
Illinois
– -$240K -6,471 Closed
HB
213
Homrich & Berg
Georgia
– -$223K -6,000 Closed
CSS
214
Cubist Systematic Strategies
Connecticut
– -$218K -5,871 Closed
RA
215
Rational Advisors
New York
– -$130K -3,500 Closed
MCM
216
McKinley Capital Management
Alaska
– -$42K -1,130 Closed
Parallax Volatility Advisers
217
Parallax Volatility Advisers
California
– -$23K -608 Closed
Group One Trading
218
Group One Trading
Illinois
– -$15K -396 Closed
Creative Planning
219
Creative Planning
Kansas
– -$6K -150 Closed
MWP
220
MYCIO Wealth Partners
Pennsylvania
– -$2K -50 Closed
VNA
221
Valley National Advisers
Pennsylvania
– -$1K -16 Closed
5 6 7 8
9

ROCK Hedge Fund Activity: Q4 2016 in Review

202 of the 4,000 institutional investors tracked by Wall St. Rank reported a position in Gibraltar Industries (ROCK) for Q4 2016, worth a combined $1.31B — up 14% from $1.15B a quarter earlier.

Buyers outnumbered sellers: 37 funds opened new ROCK positions and 19 closed out — a net gain of 18 holders — while 77 added to existing stakes and 65 trimmed.

The largest buyer was Renaissance Technologies, adding an estimated $12.1M. The largest seller was Pzena Investment Management, cutting an estimated $23M.

  • 202 institutional investors held Gibraltar Industries (ROCK) as of Q4 2016, up from 190 in Q3 2016.
  • Funds reported $1.31B of Gibraltar Industries stock for Q4 2016, up 14% quarter-over-quarter.
  • 37 funds opened new Gibraltar Industries positions in Q4 2016 and 19 closed out, a net change of +18 holders.
  • The largest Gibraltar Industries buyer in Q4 2016 was Renaissance Technologies, an estimated $12.1M added.
  • The largest Gibraltar Industries seller in Q4 2016 was Pzena Investment Management, an estimated $23M sold.

Based on aggregated 13F filings for Q4 2016.