13F Filings History of Corundum Group, Inc.

Latest 13F report
Q4 2025 - 12 Jan 2026
Value $
$298,002,208
Signature - Title
Justin Leveille - VP of Operations
Location
Colorado Springs, CO
Summary
This page shows a list of all the recent 13F filings made by Corundum Group, Inc.. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Corundum Group, Inc. reported 112 stock holdings with total value $298,002,208 as of Q4 2025. Top holdings included IWF, IWD, MMM, EFA, and LMT.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 112 $298,002,208 +$59,391,395 -$9,066,258 +$50,325,137 IWF, IWD, MMM, EFA, LMT 13F-HR 12 Jan 2026, 16:09
Q3 2025 102 $243,387,530 +$3,581,046 -$3,125,706 +$455,340 IWF, IWD, MMM, EFA, IWO 13F-HR 24 Oct 2025, 14:39
Q2 2025 102 $226,163,842 +$6,407,100 -$5,404,283 +$1,002,817 IWF, IWD, MMM, EFA, IWO 13F-HR 21 Jul 2025, 15:14
Q1 2025 97 $208,509,319 +$2,060,178 -$55,765,327 -$53,705,149 IWF, IWD, MMM, EFA, SUSA 13F-HR 23 Apr 2025, 13:29
Q4 2024 99 $267,804,635 +$54,629,265 -$6,671,409 +$47,957,856 IWF, IWD, SPY, MMM, EFA 13F-HR 16 Jan 2025, 12:56
Q3 2024 99 $219,189,604 +$1,606,553 -$55,938,044 -$54,331,491 IWF, IWD, MMM, EFA, IWO 13F-HR 18 Oct 2024, 17:37
Q2 2024 100 $255,959,494 +$52,714,091 -$4,340,939 +$48,373,152 IWF, IWD, SPY, EFA, MMM 13F-HR 17 Jul 2024, 16:56
Q1 2024 97 $207,342,059 +$12,810,851 -$17,535,405 -$4,724,554 IWF, IWD, MMM, EFA, IWO 13F-HR 15 Apr 2024, 16:26
Q4 2023 99 $199,448,790 +$17,094,949 -$13,119,440 +$3,975,509 IWF, IWD, MMM, EFA, SPLG 13F-HR 23 Jan 2024, 18:08
Q3 2023 100 $175,998,409 +$492,954 -$17,283,806 -$16,790,852 IWF, IWD, MMM, EFA, IWO 13F-HR 17 Oct 2023, 13:09
Q2 2023 114 $200,493,475 +$14,048,149 -$37,479,566 -$23,431,417 IWF, IWD, MMM, EFA, AAPL 13F-HR 21 Jul 2023, 10:53
Q1 2023 98 $211,409,564 +$34,099,951 -$7,764,146 +$26,335,805 IWF, IWD, EFA, SPY, MMM 13F-HR 24 Apr 2023, 13:37
Q4 2022 99 $177,098,000 +$12,103,076 -$5,880,272 +$6,222,804 IWF, IWD, MMM, EFA, IWO 13F-HR 12 Jan 2023, 17:09
Q3 2022 105 $158,958,000 +$22,192,709 -$371,828 +$21,820,881 IWF, IWD, MMM, EFA, IWO 13F-HR 18 Oct 2022, 12:54
Q2 2022 95 $148,024,000 +$61,715,679 -$5,630,532 +$56,085,147 IWF, IWD, MMM, EFA, IWO 13F-HR 25 Jul 2022, 12:27
Q1 2022 96 $107,597,000 +$27,471,768 -$65,862,366 -$38,390,598 MMM, SPY, AAPL, MSFT, IWB 13F-HR 02 May 2022, 10:22
Q4 2021 101 $153,596,000 +$11,361,639 -$1,882,010 +$9,479,629 IWF, IWD, MMM, EFA, IWO 13F-HR 07 Feb 2022, 10:38
Q3 2021 91 $134,882,000 +$3,854,494 -$17,148,494 -$13,294,000 IWF, IWD, MMM, EFA, IWO 13F-HR 02 Nov 2021, 17:13
Q2 2021 101 $152,474,000 +$19,085,309 -$2,170,765 +$16,914,544 MMM, IWF, IWD, EFA, IWO 13F-HR 02 Aug 2021, 15:35
Q1 2021 89 $127,959,000 +$2,898,971 -$3,197,502 -$298,531 IWF, IWD, MMM, EFA, IWO 13F-HR 10 May 2021, 15:40
Q4 2020 91 $120,017,000 +$9,489,789 -$4,421,311 +$5,068,478 IWF, IWD, MMM, EFA, IWO 13F-HR 03 Feb 2021, 09:31
Q3 2020 85 $103,227,000 +$15,431,366 -$686,140 +$14,745,226 IWF, IWD, MMM, EFA, IWO Restatement 12 Nov 2020, 15:23
Q2 2020 60 $83,391,000 +$2,144,658 -$2,696,109 -$551,451 IWF, IWD, MMM, EFA, IWO Restatement 07 Aug 2020, 10:18
Q1 2020 58 $70,330,000 +$1,941,301 -$6,185,557 -$4,244,256 IWF, IWD, MMM, EFA, IWO Restatement 07 May 2020, 12:16
Q4 2019 71 $95,225,000 +$2,734,893 -$449,943 +$2,284,950 IWF, IWD, MMM, EFA, IWO 13F-HR 28 Jan 2020, 10:03
Q3 2019 64 $86,331,000 +$241,504 -$964,537 -$723,033 IWF, IWD, MMM, EFA, IWO Restatement 01 Nov 2019, 12:01
Q2 2019 68 $87,040,000 +$2,373,402 -$3,332,825 -$959,423 IWF, IWD, MMM, EFA, IWO 13F-HR 02 Aug 2019, 17:21
Q1 2019 69 $87,407,000 +$2,984,262 -$37,639,975 -$34,655,713 IWF, IWD, MMM, EFA, IWO 13F-HR 08 May 2019, 12:48
Q4 2018 74 $108,928,000 +$38,321,234 -$3,167,951 +$35,153,283 IWF, IWD, MMM, SPY, EFA 13F-HR 19 Feb 2019, 15:03
Q2 2018 53 $81,113,000 +$2,158,921 -$13,528,360 -$11,369,439 IWF, IWD, MMM, EFA, IWO 13F-HR 07 Aug 2018, 12:38
Q1 2018 53 $92,471,000 +$3,482,923 -$844,060 +$2,638,863 MMM, IWF, IWD, EFA, IWO 13F-HR 08 May 2018, 19:01
Q4 2017 49 $92,665,000 +$2,042,200 -$1,622,954 +$419,246 MMM, IWF, IWD, EFA, IWO 13F-HR 13 Feb 2018, 11:48
Q3 2017 48 $65,456,000 +$48,662,899 -$418,000 +$48,244,899 IWF, IWD, EFA, IWO, IWN 13F-HR 03 Nov 2017, 16:44
Q2 2017 34 $45,137,000 +$3,400,721 -$41,001,635 -$37,600,914 MMM, SPY, IWO, EFA, IWN 13F-HR 01 Aug 2017, 17:21
Q1 2017 30 $79,304,000 +$7,550,149 -$44,909 +$7,505,240 MMM, IWD, IWF, IWO, EFA 13F-HR 18 Apr 2017, 15:32
Q4 2016 28 $68,032,000 +$7,864,790 -$3,261,204 +$4,603,586 MMM, IWD, IWF, IWO, EFA 13F-HR 09 Feb 2017, 14:01
Q3 2016 27 $61,835,000 +$3,903,535 -$8,770,154 -$4,866,619 MMM, IWD, IWO, EFA, IWP 13F-HR 04 Nov 2016, 12:53
Q2 2016 27 $65,019,000 +$29,685,052 -$4,342,034 +$25,343,018 MMM, IWD, IWF, EFA, IWO 13F-HR 29 Jul 2016, 17:26
Q1 2016 23 $37,951,000 +$2,663,629 -$991,913 +$1,671,716 MMM, SPY, IWO, XOM, EFA 13F-HR 16 May 2016, 16:40
Q4 2015 20 $33,434,000 +$3,798,766 $0 +$3,798,766 MMM, SPY, IWO, EFA, XOM 13F-HR 11 Feb 2016, 11:43
Q3 2015 13 $28,210,000 +$2,784,124 -$637,643 +$2,146,481 MMM, SPY, IWO, EFA, IWN 13F-HR 05 Nov 2015, 15:37
Q2 2015 13 $28,382,000 +$428,749 -$54,769 +$373,980 MMM, IWO, IWN, EFA, SPY 13F-HR 10 Aug 2015, 20:29
Q1 2015 13 $29,592,000 +$5,117,626 -$415,878 +$4,701,748 MMM, IWO, IWN, EFA, BRKA 13F-HR 08 May 2015, 10:40
Q4 2014 15 $24,787,000 +$1,193,666 -$226,482 +$967,184 MMM, IWO, IWN, EFA, BRKA 13F-HR 05 Feb 2015, 10:17
Q3 2014 13 $21,094,000 +$277,179 -$213,073 +$64,106 MMM, IWO, EFA, IWN, BRKA 13F-HR 03 Nov 2014, 17:53
Q2 2014 13 $21,328,000 +$669,261 -$961,163 -$291,902 MMM, IWO, IWN, EFA, BRKA 13F-HR 04 Aug 2014, 18:38
Q1 2014 11 $20,640,000 +$91,488 -$277,289 -$185,801 MMM, IWO, EFA, IWN, BRKA 13F-HR 08 May 2014, 15:02
Q4 2013 12 $21,292,000 $0 $0 $0 MMM, IWO, EFA, IWN, BRKA 13F-HR 19 Feb 2014, 16:56