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Disclosery

SpiderRock Advisors, LLC

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13F filer, CIK 1703301, CHICAGO, IL

SpiderRock Advisors, LLC filed a 13F-NT notice for the quarter ended 2026-06-30 on 2026-08-07.

Filed (acceptance time not in the bulk data set), ingested 13F-NT 0001703301-26-000003

This filer reports no holdings of its own for Q2 2026. It filed a 13F-NT notice, and its holdings are in the report of . How notices are handled.

Changes against Q1 2026 are not shown: it was a notice, with the holdings in another manager's report (0 positions on file), so every position would read as new.

Part of the filer group BlackRock, Inc.

How groups are built

Stakes and trades reported after 2026-06-30

13D, 13G and Form 4 filings by this filer's group, dated after the 13F period, on securities the quarter does not hold as shares.

  • OKE ONEOK INC NEW: 13G 60,766,830 shares, 9.6% of the class, 13G filed 2026-10-05, 0002012383-26-003340Timeline
    Accepted , ingested
  • OKE ONEOK INC NEW: 13G/A 0 shares, 0% of the class, 13G/A filed 2026-10-05, 0002012383-26-003339Timeline
    Accepted , ingested
  • MATW MATTHEWS INTL CORP: 13G/A 2,419,163 shares, 7.8% of the class, 13G/A filed 2026-10-05, 0002012383-26-003335Timeline
    Accepted , ingested
  • SMA SMARTSTOP SELF STORAG REIT I: 13G/A 5,754,574 shares, 10.4% of the class, 13G/A filed 2026-10-05, 0002012383-26-003327Timeline
    Accepted , ingested
  • TAP MOLSON COORS BEVERAGE CO: 13G/A 18,415,622 shares, 10.6% of the class, 13G/A filed 2026-10-05, 0002012383-26-003323Timeline
    Accepted , ingested
  • BLDR BUILDERS FIRSTSOURCE INC: 13G/A 12,897,766 shares, 12% of the class, 13G/A filed 2026-10-05, 0002012383-26-003316Timeline
    Accepted , ingested
  • ALHC ALIGNMENT HEALTHCARE INC: 13G/A 23,530,373 shares, 11.3% of the class, 13G/A filed 2026-10-05, 0002012383-26-003312Timeline
    Accepted , ingested
  • TOST TOAST INC: 13G/A 51,451,481 shares, 10% of the class, 13G/A filed 2026-10-05, 0002012383-26-003336Timeline
    Accepted , ingested
  • CENX CENTURY ALUM CO: 13G/A 10,395,973 shares, 10.5% of the class, 13G/A filed 2026-10-05, 0002012383-26-003330Timeline
    Accepted , ingested
  • DKS DICKS SPORTING GOODS INC: 13G/A 6,640,299 shares, 10.2% of the class, 13G/A filed 2026-10-05, 0002012383-26-003331Timeline
    Accepted , ingested
  • TTD THE TRADE DESK INC: 13G/A 48,984,658 shares, 11.4% of the class, 13G/A filed 2026-10-05, 0002012383-26-003328Timeline
    Accepted , ingested
  • INVX INNOVEX INTERNATIONAL INC: 13G/A 7,460,672 shares, 10.7% of the class, 13G/A filed 2026-10-05, 0002012383-26-003333Timeline
    Accepted , ingested
  • HUBS HUBSPOT INC: 13G/A 5,198,586 shares, 10.4% of the class, 13G/A filed 2026-10-05, 0002012383-26-003332Timeline
    Accepted , ingested
  • HRI HERC HLDGS INC: 13G/A 4,675,626 shares, 14% of the class, 13G/A filed 2026-10-05, 0002012383-26-003320Timeline
    Accepted , ingested
  • PBF PBF ENERGY INC: 13G/A 12,222,382 shares, 10.3% of the class, 13G/A filed 2026-10-05, 0002012383-26-003325Timeline
    Accepted , ingested
  • SHEN SHENANDOAH TELECOMMUNICATION: 13G/A 3,810,952 shares, 6.9% of the class, 13G/A filed 2026-10-05, 0002012383-26-003326Timeline
    Accepted , ingested
  • VIAV VIAVI SOLUTIONS INC: 13G/A 24,923,503 shares, 10.1% of the class, 13G/A filed 2026-10-05, 0002012383-26-003337Timeline
    Accepted , ingested
  • WSBC WESBANCO INC: 13G/A 13,579,859 shares, 14.2% of the class, 13G/A filed 2026-10-05, 0002012383-26-003338Timeline
    Accepted , ingested
  • VRRM VERRA MOBILITY CORP: 13G/A 12,015,098 shares, 7.9% of the class, 13G/A filed 2026-10-05, 0002012383-26-003329Timeline
    Accepted , ingested
  • AMSF AMERISAFE INC: 13G/A 1,506,921 shares, 8.1% of the class, 13G/A filed 2026-10-05, 0002012383-26-003313Timeline
    Accepted , ingested
  • AXTI AXT INC: 13G/A 9,359,639 shares, 14.3% of the class, 13G/A filed 2026-10-05, 0002012383-26-003311Timeline
    Accepted , ingested
  • ARQT ARCUTIS BIOTHERAPEUTICS INC: 13G/A 17,751,435 shares, 14.1% of the class, 13G/A filed 2026-10-05, 0002012383-26-003314Timeline
    Accepted , ingested
  • ATRC ATRICURE INC: 13G/A 7,837,484 shares, 15.4% of the class, 13G/A filed 2026-10-05, 0002012383-26-003315Timeline
    Accepted , ingested
  • CCOI COGENT COMM HOLDINGS INC: 13G/A 3,932,477 shares, 7.7% of the class, 13G/A filed 2026-10-05, 0002012383-26-003317Timeline
    Accepted , ingested
  • DK DELEK US HLDGS INC NEW: 13G/A 9,071,872 shares, 14.8% of the class, 13G/A filed 2026-10-05, 0002012383-26-003318Timeline
    Accepted , ingested
  • FBRT FRANKLIN BSP RLTY TR INC: 13G/A 8,164,777 shares, 9.8% of the class, 13G/A filed 2026-10-05, 0002012383-26-003319Timeline
    Accepted , ingested
  • INDA ISHARES TR: 13G/A 7,325,596 shares, 5.9% of the class, 13G/A filed 2026-10-05, 0002012383-26-003321Timeline
    Accepted , ingested
  • LFST LIFESTANCE HEALTH GROUP INC: 13G/A 38,673,303 shares, 10.1% of the class, 13G/A filed 2026-10-05, 0002012383-26-003322Timeline
    Accepted , ingested
  • NXRT NEXPOINT RESIDENTIAL TR INC: 13G/A 2,053,004 shares, 8% of the class, 13G/A filed 2026-10-05, 0002012383-26-003324Timeline
    Accepted , ingested
  • KRMN KARMAN HLDGS INC: 13G 14,653,261 shares, 11.1% of the class, 13G filed 2026-10-05, 0002012383-26-003334Timeline
    Accepted , ingested

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-NT 0001703301-26-000003 notice2026-08-07acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-NT 0001703301-26-000003 Quarter ended 2026-06-302026-08-07acceptance time not in the bulk data set
13F-NT 0001703301-26-000002 Quarter ended 2026-03-312026-05-13acceptance time not in the bulk data set
13F-NT 0001703301-26-000001 Quarter ended 2025-12-312026-02-12acceptance time not in the bulk data set
13F-NT 0001703301-25-000005 Quarter ended 2025-09-302025-11-12acceptance time not in the bulk data set
13F-NT 0001060021-25-000150 Quarter ended 2025-06-302025-08-12acceptance time not in the bulk data set
13F-NT 0001576419-25-000899 Quarter ended 2025-03-312025-05-02acceptance time not in the bulk data set
13F-NT 0001060021-25-000032 Quarter ended 2024-12-312025-02-07acceptance time not in the bulk data set
13F-HR 0001703301-24-000008 Quarter ended 2024-09-302024-11-01acceptance time not in the bulk data set
13F-HR 0001703301-24-000007 Quarter ended 2024-06-302024-08-12acceptance time not in the bulk data set
13F-HR 0001703301-24-000003 Quarter ended 2024-03-312024-04-30acceptance time not in the bulk data set
13F-HR 0001703301-24-000001 Quarter ended 2023-12-312024-01-30acceptance time not in the bulk data set
13F-HR 0001703301-23-000005 Quarter ended 2023-09-302023-10-25acceptance time not in the bulk data set
13F-HR 0001703301-23-000004 Quarter ended 2023-06-302023-07-31acceptance time not in the bulk data set
13F-HR 0001703301-23-000003 Quarter ended 2023-03-312023-04-24acceptance time not in the bulk data set
13F-HR 0001703301-23-000001 Quarter ended 2022-12-312023-02-07acceptance time not in the bulk data set
13F-HR 0001703301-22-000005 Quarter ended 2022-09-302022-11-04acceptance time not in the bulk data set
13F-HR 0001703301-22-000004 Quarter ended 2022-06-302022-08-03acceptance time not in the bulk data set
13F-HR 0001703301-22-000003 Quarter ended 2022-03-312022-05-06acceptance time not in the bulk data set
13F-HR 0001703301-22-000001 Quarter ended 2021-12-312022-02-08acceptance time not in the bulk data set
13F-HR 0001703301-21-000007 Quarter ended 2021-09-302021-10-19acceptance time not in the bulk data set
13F-HR 0001703301-21-000006 Quarter ended 2021-06-302021-08-13acceptance time not in the bulk data set
13F-HR 0001703301-21-000004 Quarter ended 2021-03-312021-05-12acceptance time not in the bulk data set
13F-HR 0001703301-21-000001 Quarter ended 2020-12-312021-01-28acceptance time not in the bulk data set
13F-HR 0001703301-20-000006 Quarter ended 2020-09-302020-10-16acceptance time not in the bulk data set
13F-HR/A 0001703301-20-000005 Quarter ended 2020-06-302020-08-19acceptance time not in the bulk data set
13F-HR 0001703301-20-000004 Quarter ended 2020-06-302020-08-13acceptance time not in the bulk data set
13F-HR 0001703301-20-000003 Quarter ended 2020-03-312020-05-11acceptance time not in the bulk data set
13F-HR 0001703301-20-000001 Quarter ended 2019-12-312020-01-17acceptance time not in the bulk data set
13F-HR 0001703301-19-000005 Quarter ended 2019-09-302019-10-28acceptance time not in the bulk data set
13F-HR 0001703301-19-000004 Quarter ended 2019-06-302019-07-29acceptance time not in the bulk data set
13F-HR 0001703301-19-000003 Quarter ended 2019-03-312019-05-15acceptance time not in the bulk data set
13F-HR 0001703301-19-000001 Quarter ended 2018-12-312019-02-08acceptance time not in the bulk data set
13F-HR 0001703301-18-000007 Quarter ended 2018-09-302018-11-08acceptance time not in the bulk data set
13F-HR 0001703301-18-000006 Quarter ended 2018-06-302018-08-08acceptance time not in the bulk data set
13F-HR 0001703301-18-000005 Quarter ended 2018-03-312018-05-14acceptance time not in the bulk data set
13F-HR 0001703301-18-000004 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0001703301-17-000006 Quarter ended 2017-09-302017-10-18acceptance time not in the bulk data set
13F-HR 0001703301-17-000005 Quarter ended 2017-06-302017-07-12acceptance time not in the bulk data set
13F-HR 0001703301-17-000004 Quarter ended 2017-03-312017-05-02acceptance time not in the bulk data set