Filed: 5/15/2026ACC: 0001062993-26-002676
📋 What this filing means
STATE OF WISCONSIN INVESTMENT BOARD filed this quarterly 13F‑HR report disclosing 2488 equity positions with a total reported market value of $43.70B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
2488
Positions
$43.70B
Total AUM (reported)
767.39M
Total Shares
Allocation by class
COM$28.95B66.3%
CL A$3.09B7.1%
COM NEW$1.45B3.3%
S&P500 EQL WGT$1.27B2.9%
CAP STK CL A$899.50M2.1%
CAP STK CL C$746.75M1.7%
COM CL A$723.92M1.7%
Portfolio Concentration
Top 3$5.69B13.0%
4–10$5.98B13.7%
11–25$4.97B11.4%
Rest$27.06B61.9%
Top 3 weight
13.0%
Top 10 weight
26.7%
Voting Authority Distribution
Total shares with voting rights: 767.02M
Sole
Full voting authority
767.02M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole2488
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings2488
Rows:
NVIDIA CORPORATION
SOLEShares13.03M
TypeSH
Market value$2.27B
5.20%
Sole
13.03M
Shared
0.00
None
0.00
APPLE INC
SOLEShares7.91M
TypeSH
Market value$2.01B
4.59%
Sole
7.91M
Shared
0.00
None
0.00
MICROSOFT CORP
SOLEShares3.80M
TypeSH
Market value$1.41B
3.22%
Sole
3.80M
Shared
0.00
None
0.00
INVESCO EXCHANGE TRADED FD T
SOLEShares6.60M
TypeSH
Market value$1.27B
2.90%
Sole
6.60M
Shared
0.00
None
0.00
AMAZON COM INC
SOLEShares5.17M
TypeSH
Market value$1.08B
2.46%
Sole
5.17M
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares3.13M
TypeSH
Market value$899.50M
2.06%
Sole
3.13M
Shared
0.00
None
0.00
BROADCOM INC
SOLEShares2.46M
TypeSH
Market value$760.30M
1.74%
Sole
2.46M
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares2.60M
TypeSH
Market value$746.75M
1.71%
Sole
2.60M
Shared
0.00
None
0.00
META PLATFORMS INC
SOLEShares1.17M
TypeSH
Market value$667.75M
1.53%
Sole
1.17M
Shared
0.00
None
0.00
TESLA INC
SOLEShares1.51M
TypeSH
Market value$563.07M
1.29%
Sole
1.51M
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares630.00
TypeSH
Market value$452.43M
1.04%
Sole
630.00
Shared
0.00
None
0.00
JPMORGAN CHASE & CO
SOLEShares1.46M
TypeSH
Market value$428.71M
0.98%
Sole
1.46M
Shared
0.00
None
0.00
FOX CORP
SOLEShares7.82M
TypeSH
Market value$415.28M
0.95%
Sole
7.82M
Shared
0.00
None
0.00
ELI LILLY & CO
SOLEShares431.16K
TypeSH
Market value$396.57M
0.91%
Sole
431.16K
Shared
0.00
None
0.00
HARBOR ETF TRUST
SOLEShares9.87M
TypeSH
Market value$391.53M
0.90%
Sole
9.87M
Shared
0.00
None
0.00
EXXON MOBIL CORP
SOLEShares2.26M
TypeSH
Market value$383.05M
0.88%
Sole
2.26M
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares743.05K
TypeSH
Market value$356.07M
0.81%
Sole
743.05K
Shared
0.00
None
0.00
JOHNSON & JOHNSON
SOLEShares1.30M
TypeSH
Market value$316.60M
0.72%
Sole
1.30M
Shared
0.00
None
0.00
HEICO CORP NEW
SOLEShares1.43M
TypeSH
Market value$302.84M
0.69%
Sole
1.43M
Shared
0.00
None
0.00
WALMART INC
SOLEShares2.35M
TypeSH
Market value$291.74M
0.67%
Sole
2.35M
Shared
0.00
None
0.00
VISA INC
SOLEShares910.17K
TypeSH
Market value$275.09M
0.63%
Sole
910.17K
Shared
0.00
None
0.00
ISHARES TR
SOLEShares5.42M
TypeSH
Market value$262.41M
0.60%
Sole
5.42M
Shared
0.00
None
0.00
COSTCO WHOLESALE CORPORATION
SOLEShares240.39K
TypeSH
Market value$239.54M
0.55%
Sole
240.39K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares461.13K
TypeSH
Market value$230.41M
0.53%
Sole
461.13K
Shared
0.00
None
0.00
NETFLIX INC.
SOLEShares2.36M
TypeSH
Market value$227.30M
0.52%
Sole
2.30M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | COM | 13.03M | SH | $2.27B 5.20% | 13.03M | 0.00 | 0.00 |
APPLE INCSOLE | COM | 7.91M | SH | $2.01B 4.59% | 7.91M | 0.00 | 0.00 |
MICROSOFT CORPSOLE | COM | 3.80M | SH | $1.41B 3.22% | 3.80M | 0.00 | 0.00 |
INVESCO EXCHANGE TRADED FD TSOLE | S&P500 EQL WGT | 6.60M | SH | $1.27B 2.90% | 6.60M | 0.00 | 0.00 |
AMAZON COM INCSOLE | COM | 5.17M | SH | $1.08B 2.46% | 5.17M | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL A | 3.13M | SH | $899.50M 2.06% | 3.13M | 0.00 | 0.00 |
BROADCOM INCSOLE | COM | 2.46M | SH | $760.30M 1.74% | 2.46M | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL C | 2.60M | SH | $746.75M 1.71% | 2.60M | 0.00 | 0.00 |
META PLATFORMS INCSOLE | CL A | 1.17M | SH | $667.75M 1.53% | 1.17M | 0.00 | 0.00 |
TESLA INCSOLE | COM | 1.51M | SH | $563.07M 1.29% | 1.51M | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 630.00 | SH | $452.43M 1.04% | 630.00 | 0.00 | 0.00 |
JPMORGAN CHASE & COSOLE | COM | 1.46M | SH | $428.71M 0.98% | 1.46M | 0.00 | 0.00 |
FOX CORPSOLE | CL B COM | 7.82M | SH | $415.28M 0.95% | 7.82M | 0.00 | 0.00 |
ELI LILLY & COSOLE | COM | 431.16K | SH | $396.57M 0.91% | 431.16K | 0.00 | 0.00 |
HARBOR ETF TRUSTSOLE | HUMAN CAP LARGE | 9.87M | SH | $391.53M 0.90% | 9.87M | 0.00 | 0.00 |
EXXON MOBIL CORPSOLE | COM | 2.26M | SH | $383.05M 0.88% | 2.26M | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 743.05K | SH | $356.07M 0.81% | 743.05K | 0.00 | 0.00 |
JOHNSON & JOHNSONSOLE | COM | 1.30M | SH | $316.60M 0.72% | 1.30M | 0.00 | 0.00 |
HEICO CORP NEWSOLE | CL A | 1.43M | SH | $302.84M 0.69% | 1.43M | 0.00 | 0.00 |
WALMART INCSOLE | COM | 2.35M | SH | $291.74M 0.67% | 2.35M | 0.00 | 0.00 |
VISA INCSOLE | COM CL A | 910.17K | SH | $275.09M 0.63% | 910.17K | 0.00 | 0.00 |
ISHARES TRSOLE | CORE 1 5 YR USD | 5.42M | SH | $262.41M 0.60% | 5.42M | 0.00 | 0.00 |
COSTCO WHOLESALE CORPORATIONSOLE | COM | 240.39K | SH | $239.54M 0.55% | 240.39K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 461.13K | SH | $230.41M 0.53% | 461.13K | 0.00 | 0.00 |
NETFLIX INC.SOLE | COM | 2.36M | SH | $227.30M 0.52% | 2.30M | 0.00 | 0.00 |
Page 1 of 100
…