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Alphatec Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Susquehanna International Group
276
Susquehanna International Group
Pennsylvania
– -$1.99M -143,047 Closed
UBS O'Connor
277
UBS O'Connor
Illinois
– -$1.32M -119,094 Closed
Voloridge Investment Management
278
Voloridge Investment Management
Florida
– -$782K -70,453 Closed
MHP
279
Manatuck Hill Partners
Connecticut
– -$777K -70,000 Closed
DTL
280
Dynamic Technology Lab
Singapore
– -$662K -59,641 Closed
NRD
281
Nebula Research & Development
New York
– -$603K -54,286 Closed
FRM
282
Fox Run Management
Connecticut
– -$471K -42,414 Closed
N
283
Numerai
California
– -$348K -31,346 Closed
BAM
284
Bosun Asset Management
Illinois
– -$236K -21,253 Closed
Mount Yale Investment Advisors
285
Mount Yale Investment Advisors
Colorado
– -$229K -20,651 Closed
HBK Sorce Advisory
286
HBK Sorce Advisory
Pennsylvania
– -$227K -20,430 Closed
PTC
287
Petrus Trust Company
Texas
– -$215K -19,338 Closed
BCM
288
Bayesian Capital Management
New York
– -$173K -15,600 Closed
GCA
289
Gradient Capital Advisors
California
– -$167K -15,000 Closed
Mariner
290
Mariner
Kansas
– -$119K -10,729 Closed
VF
291
Virtu Financial
New York
– -$118K -10,671 Closed
Pallas Capital Advisors
292
Pallas Capital Advisors
Massachusetts
– -$118K -10,646 Closed
RS
293
R Squared
Hong Kong
– -$114K -10,269 Closed
PEAK6
294
PEAK6
Illinois
– -$59.7K -4,292 Closed
QL
295
Quarry LP
New York
– -$2.2K -198 Closed
Wilmington Savings Fund Society
296
Wilmington Savings Fund Society
Delaware
– -$1.72K -155 Closed
Principal Securities
297
Principal Securities
Iowa
– -$677 -61 Closed