AbbVie Inc.
BG ˙ BUL ˙ US00287Y1091
SecurityBG:4AB / AbbVie Inc.
InstitutionCorundum Group, Inc.
Latest Disclosed Ownership8,055 shares
Latest Disclosed Value $ 1,751,882
Corundum Group, Inc. reports 3.08% decrease in ownership of 4AB / AbbVie Inc.

On April 20, 2026 - Corundum Group, Inc. filed a 13F-HR form disclosing ownership of 8,055 shares of AbbVie Inc. (BG:4AB) valued at $1,751,882 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 12, 2026 disclosing 8,311 shares of AbbVie Inc.. This represents a change in shares of -3.08% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-20 2026-03-31 13F ABBVIE CS 00287Y109 8,055 -256 -3.08 1,752 -7.74 0.5855
2026-01-12 2025-12-31 13F ABBVIE CS 00287Y109 8,311 813 10.84 1,899 9.33 0.6372
2025-10-24 2025-09-30 13F ABBVIE CS 00287Y109 7,498 -22 -0.29 1,736 24.44 0.7133
2025-07-21 2025-06-30 13F ABBVIE CS 00287Y109 7,520 2,391 46.62 1,396 29.89 0.6172
2025-04-23 2025-03-31 13F ABBVIE CS 00287Y109 5,129 -4,052 -44.13 1,075 -34.15 0.5154
2025-01-16 2024-12-31 13F ABBVIE CS 00287Y109 9,181 4,159 82.82 1,631 64.58 0.6092
2024-10-21 2024-09-30 13F ABBVIE CS 00287Y109 5,022 -4,211 -45.61 992 -37.40 0.4525
2024-07-17 2024-06-30 13F ABBVIE CS 00287Y109 9,233 4,367 89.75 1,584 78.67 0.6187
2024-04-15 2024-03-31 13F ABBVIE CS 00287Y109 4,866 -102 -2.05 886 15.21 0.4274
2024-01-24 2023-12-31 13F ABBVIE CS 00287Y109 4,968 106 2.18 770 6.22 0.3860
2023-10-17 2023-09-30 13F ABBVIE CS 00287Y109 4,862 -873 -15.22 725 -6.22 0.4118
2023-07-21 2023-06-30 13F ABBVIE CS 00287Y109 5,735 -4,295 -42.82 773 -51.69 0.3854
2023-04-24 2023-03-31 13F ABBVIE CS 00287Y109 10,030 3,526 54.21 1,598 159,700.00 0.7561
2023-01-12 2022-12-31 13F ABBVIE CS 00287Y109 6,504 120 1.88 1 -99.88 0.5935
2022-10-18 2022-09-30 13F ABBVIE CS 00287Y109 6,384 898 16.37 857 2.02 0.5391
2022-07-25 2022-06-30 13F ABBVIE CS 00287Y109 5,486 100 1.86 840 -3.78 0.5675
2022-05-02 2022-03-31 13F ABBVIE CS 00287Y109 5,386 143 2.73 873 22.96 0.8114
2022-02-07 2021-12-31 13F ABBVIE CS 00287Y109 5,243 547 11.65 710 40.04 0.4623
2021-11-02 2021-09-30 13F ABBVIE CS 00287Y109 4,696 488 11.60 507 6.96 0.3759
2021-08-02 2021-06-30 13F ABBVIE CS 00287Y109 4,208 57 1.37 474 5.57 0.3109
2021-05-10 2021-03-31 13F ABBVIE CS 00287Y109 4,151 87 2.14 449 3.22 0.3509
2021-02-03 2020-12-31 13F ABBVIE CS 00287Y109 4,064 325 8.69 435 33.03 0.3624
2020-11-12 2020-09-30 13F/A-1 ABBVIE CS 00287Y109 3,739 231 6.58 327 -4.94 0.3168
2020-08-07 2020-06-30 13F/A-1 ABBVIE CS 00287Y109 3,508 3,508 344 0.4125
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.