SUM

Summit Materials, Inc. Class A Common Stock
SUM

Overview Fund Activity
Delisted

SUM was delisted on the 10th of February, 2025.

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250 hedge funds and large institutions have $3.27B invested in Summit Materials, Inc. Class A Common Stock in 2021 Q1 according to their latest regulatory filings, with 76 funds opening new positions, 62 increasing their positions, 76 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
250
Holders Change
+32
Holders Change %
+14.68%
% of All Funds
4.4%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
76
Increased
62
Reduced
76
Closed
42
Calls
$45.9M
Puts
$26.2M
Net Calls
+$19.7M
Net Calls Change
-$9.63M

Top Buyers

1
Franklin Resources
1
Franklin Resources
California
$120M
2
MC
2
Maverick Capital
Texas
$37M
3
Victory Capital Management
3
Victory Capital Management
Texas
$52.4M
4
Manulife (Manufacturers Life Insurance)
4
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$20.6M
5
Goldman Sachs
5
Goldman Sachs
New York
$77.5M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$201M
2
Citadel Advisors
2
Citadel Advisors
Florida
$1.48M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$25.4M
4
PI
4
Putnam Investments
Massachusetts
$12.4M
5
IP
5
Interval Partners
New York
$6.78M
Name Holding Trade Value Shares
Change 		Shares
Change %
BAMCO Inc
251
BAMCO Inc
New York
– -$5.02M -254,250 Closed
Susquehanna International Group
252
Susquehanna International Group
Pennsylvania
– -$2.54M -128,654 Closed
Tudor Investment Corp
253
Tudor Investment Corp
Connecticut
– -$1.97M -99,617 Closed
PI
254
PEAK6 Investments
Illinois
– -$1.91M -96,680 Closed
MS
255
Maven Securities
Jersey
– -$1.91M -96,615 Closed
Walleye Trading
256
Walleye Trading
New York
– -$1.65M -83,301 Closed
GTCM
257
Gyon Technologies Capital Management
New Jersey
– -$1.53M -77,629 Closed
AWAM
258
Appian Way Asset Management
New York
– -$1.5M -76,042 Closed
Squarepoint
259
Squarepoint
New York
– -$1.46M -73,904 Closed
Simplex Trading
260
Simplex Trading
Illinois
– -$1.43M -72,512 Closed
Balyasny Asset Management
261
Balyasny Asset Management
Illinois
– -$1.3M -65,666 Closed
Jacobs Levy Equity Management
262
Jacobs Levy Equity Management
New Jersey
– -$1.21M -61,304 Closed
Canada Pension Plan Investment Board
263
Canada Pension Plan Investment Board
Ontario, Canada
– -$877K -44,443 Closed
AI
264
Atom Investors
Texas
– -$835K -42,290 Closed
EGM
265
Engineers Gate Manager
New York
– -$657K -33,262 Closed
IIM
266
Intact Investment Management
Quebec, Canada
– -$635K -32,137 Closed
Baird Financial Group
267
Baird Financial Group
Wisconsin
– -$551K -27,932 Closed
CM
268
Crestline Management
Texas
– -$502K -25,425 Closed
PP
269
PDT Partners
New York
– -$464K -23,476 Closed
Hudson Bay Capital Management
270
Hudson Bay Capital Management
Connecticut
– -$451K -22,839 Closed
CAC
271
Cowen and Company
New York
– -$395K -20,000 Closed
HF
272
HRT Financial
New York
– -$386K -19,557 Closed
QSS
273
Quantitative Systematic Strategies
Florida
– -$346K -17,506 Closed
Wolverine Trading
274
Wolverine Trading
Illinois
– -$251K -12,972 Closed
IAA
275
Independent Advisor Alliance
North Carolina
– -$252K -12,774 Closed
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