State of Wisconsin Investment Board

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), State of Wisconsin Investment Board reported 2,509 stock positions worth $49.6 billion. Its top holding was Nvidia (NVDA) at 5.0% of the portfolio, followed by Apple (AAPL, 4.6%) and Invesco S&P 500 Equal Weight (RSP, 3.2%). Compared with Q1 2026, it opened 205 new positions, sold out of 173, added to 1,022 and reduced 1,242. The biggest buy was Alphabet Class C (GOOG, shares +20%) and the biggest sale Microsoft (MSFT, shares −1%).

Most Recent 13F
Q2 2026
Location
MADISON, WI
CIK
0000854157
Portfolio Value
$49.6B (Q2 2026)
SEC Filing
0001062993-26-004375 ↗ filed Aug 14, 2026

Holdings Value

0$10.0B$20.0B$30.0B$40.0B$50.0B Q1 2024: $37.8B Q1 2024 Q2 2024: $37.7B Q2 2024 Q3 2024: $39.7B Q3 2024 Q4 2024: $38.7B Q4 2024 Q1 2025: $38.6B Q1 2025 Q2 2025: $40.9B Q2 2025 Q3 2025: $43.5B Q3 2025 Q4 2025: $44.6B Q4 2025 Q1 2026: $43.7B Q1 2026 Q2 2026: $49.6B $49.6B Q2 2026

Holdings 2,509 stocks · $49.6B

NVDA Nvidia Corp. 4.98% 12,328,989 $2.5B Reduce -5.4%
AAPL Apple Inc. 4.57% 7,830,625 $2.3B Reduce -0.9%
RSP Invesco S&P 500 Equal Weight 3.21% 7,468,879 $1.6B Add +13.2%
MSFT Microsoft Corp. 2.84% 3,767,812 $1.4B Reduce -0.9%
AMZN Amazon.com Inc. 2.48% 5,164,201 $1.2B Reduce -0.1%
GOOGL Alphabet Inc. Class A 2.24% 3,105,936 $1.1B Reduce -0.7%
GOOG Alphabet Inc. Class C 2.22% 3,114,324 $1.1B Add +19.6%
AVGO Broadcom Inc. 1.84% 2,417,133 $913.1M Reduce -1.6%
MU Micron Technology Inc. 1.40% 601,531 $694.3M Reduce -0.2%
META Meta Platforms Inc. Class A 1.33% 1,171,368 $659.8M Add +0.4%
TSLA Tesla Inc. 1.27% 1,501,177 $631.4M Reduce -0.9%
HEI.A Heico Corp. Class A 1.10% 2,118,107 $546.3M Add +47.6%
LLY Eli Lilly & Co. 1.04% 428,209 $513.6M Reduce -0.7%
AMD Advanced Micro Devices 1.02% 871,173 $506.1M Reduce -0.6%
JPM JPMorgan Chase & Co. 0.94% 1,430,418 $468.2M Reduce -1.9%
HAPI Harbor Human Capital Factor 0.88% 9,871,200 $438.2M No change
BRK.A Berkshire Hathaway Inc. Class A 0.86% 569 $426.1M Reduce -9.7%
BRK.B Berkshire Hathaway Inc. Class B 0.76% 747,711 $374.1M Add +0.6%
FOX Fox Corp. Class B 0.75% 7,982,174 $373.9M Add +2.1%
INTC Intel Corp. 0.67% 2,384,964 $333.0M Reduce -7.7%
JNJ Johnson & Johnson 0.66% 1,284,259 $326.2M Reduce -0.8%
V Visa Inc. Class A 0.62% 896,404 $307.5M Reduce -1.5%
AMAT Applied Materials Inc. 0.62% 423,289 $306.0M Reduce -1.7%
XOM Exxon Mobil Corp. 0.61% 2,216,423 $303.0M Reduce -1.8%
LRCX Lam Research Corp. 0.60% 686,377 $297.4M Reduce -4.0%
BKLN Invesco Senior Loan ETF 0.58% 14,170,000 $288.6M Add +206.7%
ISTB iShares Core 1-5 Year Usd Bo 0.54% 5,549,725 $267.8M Add +2.5%
WMT Walmart Inc. 0.53% 2,338,988 $264.9M Reduce -0.4%
CAT Caterpillar Inc. 0.53% 248,082 $264.2M Reduce -2.3%
CSCO Cisco Systems Inc. 0.50% 2,129,342 $250.1M Reduce -3.4%
ABBV Abbvie Inc. 0.48% 943,411 $237.4M Reduce -0.8%
MA Mastercard Inc. Class A 0.46% 445,731 $228.9M Reduce -3.3%
COST Costco Wholesale Corp. 0.45% 236,660 $221.4M Reduce -1.6%
KLAC KLA Corp. 0.43% 699,073 $210.9M Reduce -8.3%
GE General Electric filed as GE AEROSPACE 0.42% 557,982 $208.5M Reduce -5.4%
BAC Bank of America Corp. 0.42% 3,651,625 $208.1M Reduce -0.9%
SNDK Sandisk Corp. 0.42% 90,739 $206.3M Add +2.2%
UNH Unitedhealth Group Inc. 0.41% 484,304 $201.3M Reduce -0.2%
NWSA News Corp. Class A 0.38% 7,648,820 $189.9M Add +0.7%
HD Home Depot Inc. 0.38% 531,495 $187.4M Reduce -0.4%
PG The Procter & Gamble Co. 0.37% 1,239,490 $181.8M Reduce -0.9%
EEM iShares MSCI Emerging Market 0.34% 2,480,428 $169.7M Reduce -1.9%
HAPS Harbor Human Capital Factor 0.34% 4,520,000 $169.7M No change
MRK Merck & Co. Inc. 0.34% 1,318,963 $169.5M Reduce -3.4%
KO The Coca-Cola Co. 0.34% 2,084,840 $169.4M Reduce -4.8%
GEV GE Vernova Inc. 0.34% 144,196 $169.4M Reduce -7.2%
CVX Chevron Corp. 0.33% 986,154 $163.5M Reduce -3.8%
NFLX Netflix Inc. 0.33% 2,261,921 $161.5M Reduce -1.7%
GS Goldman Sachs Group Inc. 0.32% 157,357 $159.1M Reduce -2.7%
PM Philip Morris International 0.30% 831,420 $150.4M Reduce -1.1%
ARKK ARK Innovation ETF 0.30% 1,849,057 $149.4M Reduce -37.4%
PANW Palo Alto Networks Inc. 0.30% 432,689 $147.6M Reduce -8.1%
TXN Texas Instruments Inc. 0.29% 485,664 $144.8M Reduce -1.5%
MRVL Marvell Technology Inc. 0.29% 478,038 $142.4M Add +8.1%
EFFE Harbor Osm Emrg MRKT Res ETF 0.29% 5,140,000 $141.5M No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.28% 500,555 $140.8M Reduce -1.2%
EFFI Harbor Osmosis Ire ETF 0.28% 5,500,000 $139.5M No change
RTX RTX Corp. 0.27% 717,946 $136.2M Reduce -1.3%
PLTR Palantir Technologies Inc. Class A 0.27% 1,163,405 $135.7M Reduce -5.6%
WFC Wells Fargo & Co. 0.27% 1,634,786 $135.1M Reduce -2.7%
ORCL Oracle Corp. 0.27% 920,104 $134.8M Reduce -0.6%
PBR.A Petroleo Brasil-SP Pref ADR 0.27% 9,125,782 $133.6M Add +675.2%
MS Morgan Stanley 0.27% 635,124 $132.8M Reduce -7.6%
C Citigroup Inc. 0.26% 931,609 $130.4M Reduce -4.9%
LIN Linde PLC 0.26% 247,115 $128.2M Reduce -2.0%
WDC Western Digital Corp. 0.25% 197,420 $126.1M Reduce -11.1%
STX Seagate Technology Holdings 0.24% 123,388 $119.1M Reduce -10.3%
APH Amphenol Corp. Class A 0.23% 656,077 $115.7M Reduce -0.5%
Z Zillow Group Inc. Class C 0.23% 3,545,882 $111.8M Add +71.5%
GLW Corning Inc. 0.22% 423,892 $108.3M Reduce -2.7%
QCOM Qualcomm Inc. 0.21% 573,504 $106.0M Add +0.7%
FWONA Liberty Media Corp. Class A 0.21% 1,195,287 $104.6M Reduce -7.6%
AMGN Amgen Inc. 0.21% 287,659 $104.2M Reduce -0.3%
ADI Analog Devices Inc. 0.21% 260,436 $103.4M Reduce -0.7%
MCD McDonald's Corp. 0.21% 378,797 $102.4M Reduce -0.7%
CCOM Simplify China Com STR No K1 0.20% 4,202,200 $100.8M No change
CRWD CrowdStrike Holdings Inc. Class A 0.20% 131,830 $100.6M Reduce -2.3%
PEP Pepsico Inc. 0.20% 743,002 $100.6M Add +1.5%
TMO Thermo Fisher Scientific Inc. 0.20% 198,373 $99.5M Reduce -3.6%
NEE Nextera Energy Inc. 0.20% 1,112,404 $97.6M Reduce -0.6%
ANET Arista Networks Inc. 0.20% 569,429 $96.7M Reduce -1.9%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.19% 633,978 $96.0M Add +6.6%
AXP American Express Co. 0.19% 283,762 $96.0M Reduce -3.8%
VZ Verizon Communications Inc. 0.19% 2,229,098 $94.4M Reduce -1.3%
RY Royal Bank of Canada 0.18% 440,281 $91.1M Reduce -0.4%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.18% 944,921 $90.9M Reduce -2.8%
AZN Astrazeneca PLC 0.18% 475,058 $88.9M Reduce -4.7%
ETN Eaton Corp. PLC 0.18% 207,029 $88.2M Reduce -0.5%
BA The Boeing Co. 0.17% 398,945 $86.4M Reduce -4.9%
UNP Union Pacific Corp. 0.17% 316,893 $86.2M Reduce -0.2%
WELL Welltower Inc. 0.17% 375,940 $85.3M Add +1.9%
ABT Abbott Laboratories 0.17% 929,695 $84.4M Reduce -0.3%
T AT&T Inc. 0.17% 4,063,966 $84.1M Add +2.4%
GILD Gilead Sciences Inc. 0.17% 662,319 $83.7M Reduce -2.4%
SCHW Schwab (charles) Corp. 0.17% 892,865 $82.4M Reduce -4.0%
DE Deere & Co. 0.17% 129,832 $82.4M Reduce -5.6%
ISRG Intuitive Surgical Inc. 0.16% 195,875 $77.9M Reduce -0.1%
BLK BlackRock Inc. 0.15% 79,365 $76.3M Reduce -1.1%
CVS CVS Health Corp. 0.15% 733,126 $75.8M Reduce -1.2%
BKNG Booking Holdings Inc. 0.15% 417,978 $74.5M Reduce -3.1%

Show all 2,509 holdings

Options reported separately and not counted above: WEN calls ($995K), JBLU calls ($802K).

Other holdings (18): bonds, preferreds, convertibles and warrants · $308K (not counted above)
SecurityClassShares / PrincipalValueChange
GME.WS Gamestop Corp. *W EXP 10/30/202 35,991$100KReduce -40.3%
QADRW Qdro Acquisition Corp. *W EXP 03/27/203 100,000$30KNo change
SAC.WS Safeguard Acquisition Corp. *W EXP 99/99/999 50,000$29KNo change
EONR.WS HNR Acquisition Corp. -CW23 *W EXP 11/15/202 310,000$24KReduce -3.1%
IACQW Irenic Acquisition - 31 *W EXP 04/10/203 33,333$21KNew
ITHAW Ithax Acquisition Corp. III *W EXP 11/17/203 65,000$16KNo change
GPACW General Purpose Acquisition *W EXP 12/03/203 50,000$14KNo change
KRSP.WS Rice Acquisition Corp. 3 *W EXP 99/99/999 12,877$13KNo change
ANNAW Aleanna Inc. Class A - 29 *W EXP 12/13/202 40,000$12KReduce -27.3%
ADACW American Dr Acq A -30 *W EXP 02/06/203 16,666$11KNo change
MZYX.WS Mozayyx Acquisition Corp. *W EXP 99/99/999 12,500$9KNo change
PALOW Paloma Acquisition Corp. I *W EXP 02/12/203 25,000$9KNo change
IACOW Idea Acquisition Corp.-30 *W EXP 01/06/203 25,700$9KAdd +0.1%
ALOVW Aldabra 4 Liquidity Opportun *W EXP 12/23/203 16,666$8KNo change
OBAWW Oxley Bridge Acq Ltd. -30 *W EXP 06/17/203 12,500$3KNo change
SLND.WS Legato Merger Corp. II -CW23 *W EXP 02/14/202 75,000$2KNo change
SWVLW Pivotal Holdings Corp. -CW27 *W EXP 99/99/999 93,367$654No change
PRENW Prenetics Global Ltd. -CW26 *W EXP 05/18/202 20,000$250No change

Total filed on the 13F, all lines: $49.6B.

Portfolio Sells Q1 2026 → Q2 2026

MSFT Microsoft Corp. Reduce -0.9% 2.84% −0.39
XOM Exxon Mobil Corp. Reduce -1.8% 0.61% −0.27
NVDA Nvidia Corp. Reduce -5.4% 4.98% −0.22
NFLX Netflix Inc. Reduce -1.7% 0.33% −0.18
BEP Brookfield Renewable Partner Reduce -53.7% 0.14% −0.18
BRK.A Berkshire Hathaway Inc. Class A Reduce -9.7% 0.86% −0.18
CVX Chevron Corp. Reduce -3.8% 0.33% −0.16
ARKK ARK Innovation ETF Reduce -37.4% 0.30% −0.16
PLTR Palantir Technologies Inc. Class A Reduce -5.6% 0.27% −0.14
WMT Walmart Inc. Reduce -0.4% 0.53% −0.13
EMB iShares JP Morgan Usd Emergi Sold out 0.00% −0.12
COST Costco Wholesale Corp. Reduce -1.6% 0.45% −0.10
HON Honeywell International Inc. Reduce -0.2% 0.08% −0.10
BIP Brookfield Infrastructure Pa Reduce -79.1% 0.02% −0.09
IVV iShares Core S&P 500 ETF Reduce -52.9% 0.08% −0.09
CRM Salesforce Inc. Reduce -11.7% 0.14% −0.07
VZ Verizon Communications Inc. Reduce -1.3% 0.19% −0.07
JNJ Johnson & Johnson Reduce -0.8% 0.66% −0.07
MA Mastercard Inc. Class A Reduce -3.3% 0.46% −0.07
CUK Carnival PLC-ADR Sold out 0.00% −0.07
MCD McDonald's Corp. Reduce -0.7% 0.21% −0.06
HYG Ishr Ibx Usd Hiyld CB ETF-Ui Sold out 0.00% −0.06
VCSH Vanguard S/T Corp. Bond ETF Sold out 0.00% −0.06
NEM Newmont Corp. Reduce -9.9% 0.11% −0.05
PFE Pfizer Inc. Reduce -1.2% 0.15% −0.05
ISRG Intuitive Surgical Inc. Reduce -0.1% 0.16% −0.05
ABT Abbott Laboratories Reduce -0.3% 0.17% −0.05
MCK McKesson Corp. Reduce -10.8% 0.10% −0.05
GILD Gilead Sciences Inc. Reduce -2.4% 0.17% −0.05
PG The Procter & Gamble Co. Reduce -0.9% 0.37% −0.05
RTX RTX Corp. Reduce -1.3% 0.27% −0.05
TMUS T-Mobile US Inc. Reduce -4.0% 0.09% −0.04
AZN Astrazeneca PLC Reduce -4.7% 0.18% −0.04
HCA HCA Healthcare Inc. Reduce -15.3% 0.07% −0.04
NEE Nextera Energy Inc. Reduce -0.6% 0.20% −0.04
LMT Lockheed Martin Corp. Reduce -0.7% 0.11% −0.04
TTE Totalenergies SE Reduce -3.7% 0.10% −0.04
ORCL Oracle Corp. Reduce -0.6% 0.27% −0.04
KO The Coca-Cola Co. Reduce -4.8% 0.34% −0.04
UBER Uber Technologies Inc. Reduce -10.6% 0.14% −0.04
JPM JPMorgan Chase & Co. Reduce -1.9% 0.94% −0.04
ICE Intercontinental Exchange Inc. Reduce -2.0% 0.08% −0.04
ADBE Adobe Inc. Reduce -3.7% 0.09% −0.04
MRK Merck & Co. Inc. Reduce -3.4% 0.34% −0.03
SCHW Schwab (charles) Corp. Reduce -4.0% 0.17% −0.03
WFC Wells Fargo & Co. Reduce -2.7% 0.27% −0.03
CTRA Coterra Energy Inc. Sold out 0.00% −0.03
SPGI S&P Global Inc. Reduce -4.8% 0.13% −0.03
WBS Webster Financial Corp. Reduce -47.8% 0.03% −0.03
SPY SS SPDR S&P 500 ETF Trust-US Reduce -31.3% 0.07% −0.03

Portfolio Buys Q1 2026 → Q2 2026

GOOG Alphabet Inc. Class C Add +19.6% 2.22% +0.51
HEI.A Heico Corp. Class A Add +47.6% 1.10% +0.41
BKLN Invesco Senior Loan ETF Add +206.7% 0.58% +0.37
RSP Invesco S&P 500 Equal Weight Add +13.2% 3.21% +0.31
SNDK Sandisk Corp. Add +2.2% 0.42% +0.29
PBR.A Petroleo Brasil-SP Pref ADR Add +675.2% 0.27% +0.22
MRVL Marvell Technology Inc. Add +8.1% 0.29% +0.19
LEN Lennar Corp. Class A Add +351.8% 0.13% +0.10
UHAL.B U-Haul Holding Co.-Non Voting Add +144.4% 0.09% +0.06
BE Bloom Energy Corp. Class A Add +19.7% 0.09% +0.05
QCOM Qualcomm Inc. Add +0.7% 0.21% +0.05
LLYVA Liberty Live Holdings Class A Add +131.9% 0.08% +0.04
HPE Hewlett Packard Enterprise Add +25.9% 0.08% +0.04
FLEX Flex Ltd. Add +1.6% 0.06% +0.04
EGO Eldorado Gold Corp. Add +4666.1% 0.03% +0.03
PAA Plains All Amer Pipeline LP Add +104.4% 0.07% +0.03
XRT SS SPDR S&P Retail ETF New 0.03% +0.03
SPCX Space Exploration Techn Class A New 0.03% +0.03
Z Zillow Group Inc. Class C Add +71.5% 0.23% +0.03
ARKG ARK Genomic Revolution ETF Add +4.0% 0.09% +0.03
JETS US Global Jets ETF Add +9.3% 0.11% +0.03
SLAB Silicon Laboratories Inc. Add +1491.9% 0.02% +0.02
MKSI MKS Inc. Add +2.7% 0.05% +0.02
ECHO Echostar Corp. Class A Add +129.8% 0.04% +0.02
TD Toronto-Dominion Bank Add +0.8% 0.14% +0.02
AIP Arteris Inc. Add +10.1% 0.03% +0.02
RKLB Rocket Lab Corp. Add +7.6% 0.06% +0.02
CMI Cummins Inc. Add +1.1% 0.12% +0.02
UBS UBS Group AG-Reg Add +2.3% 0.12% +0.02
JBL Jabil Inc. Add +15.2% 0.05% +0.02
ODFL Old Dominion Freight Line Add +34.4% 0.07% +0.02
FXI iShares China Large-Cap ETF Add +434.9% 0.02% +0.02
CENTA Central Garden and Pet Co. Class A Add +28.7% 0.06% +0.02
NXPI NXP Semiconductors NV Add +0.1% 0.08% +0.02
STLD Steel Dynamics Inc. Add +33.5% 0.05% +0.02
DVN Devon Energy Corp. Add +91.2% 0.05% +0.02
EWZ iShares MSCI Brazil ETF Add +210.3% 0.03% +0.02
MDLN Medline Inc. Class A New 0.01% +0.01
JBHT Hunt (jb) Transprt SVCS Inc. Add +26.3% 0.04% +0.01
BNY Bank of New York Mellon Corp. Add +5.7% 0.12% +0.01
CYBERARK SOFTWARE LTD (CYBR 0 06/15/30) New 0.01% +0.01
SN Sharkninja Inc. New 0.01% +0.01
RVMD Revolution Medicines Inc. Add +0.3% 0.03% +0.01
OGN Organon & Co. Add +255.1% 0.01% +0.01
STRL Sterling Infrastructure Inc. Add +106.9% 0.02% +0.01
PPLI People Inc. Add +34.1% 0.04% +0.01
AKAMAI TECHNOLOGIES INC (AKAM 0.25 05/15/33) New 0.01% +0.01
TWLO Twilio Inc. Class A Add +4.2% 0.04% +0.01
HWM Howmet Aerospace Inc. Add +6.6% 0.13% +0.01
GNRC Generac Holdings Inc. Add +15.8% 0.03% +0.01

Options Activity Q1 2026 → Q2 2026

UNP Union Pacific Corp. call Sold out 50,000 $12.1Mbefore exit
NFLX Netflix Inc. call Sold out 63,000 $6.1Mbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

Notes & Other Activity Q1 2026 → Q2 2026

GME.WS Gamestop Corp. *W EXP 10/30/202 Reduce -40.3% 35,991 $100K
EONR.WS HNR Acquisition Corp. -CW23 *W EXP 11/15/202 Reduce -3.1% 310,000 $24K
IACQW Irenic Acquisition - 31 *W EXP 04/10/203 New 33,333 $21K
ANNAW Aleanna Inc. Class A - 29 *W EXP 12/13/202 Reduce -27.3% 40,000 $12K
IACOW Idea Acquisition Corp.-30 *W EXP 01/06/203 Add +0.1% 25,700 $9K

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 2,509$49.6BNVDA, AAPL, RSP, MSFT, AMZN
Q1 2026 2,474$43.7BNVDA, AAPL, MSFT, RSP, AMZN
Q4 2025 2,354$44.6BNVDA, AAPL, MSFT, RSP, AMZN
Q3 2025 2,358$43.5BNVDA, AAPL, MSFT, RSP, AMZN
Q2 2025 2,300$40.9BNVDA, MSFT, AAPL, RSP, AMZN
Q1 2025 2,230$38.6BAAPL, MSFT, NVDA, AMZN, GOOGL
Q4 2024 2,245$38.7BAAPL, NVDA, MSFT, AMZN, META
Q3 2024 2,256$39.7BAAPL, MSFT, NVDA, AMZN, GOOGL
Q2 2024 2,270$37.7BMSFT, NVDA, AAPL, AMZN, GOOGL
Q1 2024 2,186$37.8BMSFT, AAPL, NVDA, AMZN, GOOGL