State of Wisconsin Investment Board

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), State of Wisconsin Investment Board reported 2,474 stock positions worth $43.7 billion. Its top holding was Nvidia (NVDA) at 5.2% of the portfolio, followed by Apple (AAPL, 4.6%) and Microsoft (MSFT, 3.2%). Compared with Q4 2025, it opened 261 new positions, sold out of 142, added to 1,113 and reduced 952. The biggest buy was Exxon Mobil (XOM, shares +2%) and the biggest sale Invesco S&P 500 Equal Weight (RSP, shares −22%).

Most Recent 13F
Q2 2026
Location
MADISON, WI
CIK
0000854157
Portfolio Value
$43.7B (Q1 2026)
SEC Filing
0001062993-26-002676 ↗ filed May 15, 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 $43.7B Q1 2026 Q2 2026: $49.6B Q2 2026

Holdings 2,474 stocks · $43.7B

NVDA Nvidia Corp. 5.20% 13,031,252 $2.3B Add +3.4%
AAPL Apple Inc. 4.59% 7,905,859 $2.0B Add +2.5%
MSFT Microsoft Corp. 3.22% 3,801,033 $1.4B Add +3.6%
RSP Invesco S&P 500 Equal Weight 2.90% 6,596,500 $1.3B Reduce -22.3%
AMZN Amazon.com Inc. 2.47% 5,170,390 $1.1B Add +3.7%
GOOGL Alphabet Inc. Class A 2.06% 3,128,058 $899.5M Add +3.4%
AVGO Broadcom Inc. 1.74% 2,456,462 $760.3M Add +3.3%
GOOG Alphabet Inc. Class C 1.71% 2,603,192 $746.8M Add +2.6%
META Meta Platforms Inc. Class A 1.53% 1,167,125 $667.7M Add +3.8%
TSLA Tesla Inc. 1.29% 1,514,635 $563.1M Add +3.3%
BRK.A Berkshire Hathaway Inc. Class A 1.04% 630 $452.4M Add +1.8%
JPM JPMorgan Chase & Co. 0.98% 1,457,420 $428.7M Add +1.8%
FOX Fox Corp. Class B 0.95% 7,820,708 $415.3M Add +0.6%
LLY Eli Lilly & Co. 0.91% 431,162 $396.6M Add +3.5%
HAPI Harbor Human Capital Factor 0.90% 9,871,200 $391.5M No change
XOM Exxon Mobil Corp. 0.88% 2,257,774 $383.1M Add +2.2%
BRK.B Berkshire Hathaway Inc. Class B 0.82% 743,054 $356.1M Add +3.1%
JNJ Johnson & Johnson 0.72% 1,295,189 $316.6M Add +3.4%
HEI.A Heico Corp. Class A 0.69% 1,434,629 $302.8M Add +44.3%
WMT Walmart Inc. 0.67% 2,347,437 $291.7M Add +3.3%
V Visa Inc. Class A 0.63% 910,168 $275.1M Add +3.4%
ISTB iShares Core 1-5 Year Usd Bo 0.60% 5,415,025 $262.4M Add +1.9%
COST Costco Wholesale Corp. 0.55% 240,394 $239.5M Add +3.5%
MA Mastercard Inc. Class A 0.53% 461,128 $230.4M Add +3.0%
NFLX Netflix Inc. 0.51% 2,301,025 $221.2M Add +2.5%
CVX Chevron Corp. 0.49% 1,025,556 $212.2M Add +2.7%
ABBV Abbvie Inc. 0.47% 950,731 $206.8M Add +3.4%
MU Micron Technology Inc. 0.47% 602,703 $203.6M Add +3.6%
ARKK ARK Innovation ETF 0.46% 2,953,544 $199.6M Add +5.3%
NWSA News Corp. Class A 0.43% 7,598,974 $189.4M Add +3.2%
PG The Procter & Gamble Co. 0.41% 1,251,132 $180.7M Add +3.2%
PLTR Palantir Technologies Inc. Class A 0.41% 1,232,702 $180.3M Add +3.6%
CAT Caterpillar Inc. 0.41% 253,869 $179.9M Add +3.3%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.41% 3,685,260 $179.7M Reduce -0.4%
AMD Advanced Micro Devices 0.41% 876,033 $178.2M Add +4.2%
HD Home Depot Inc. 0.40% 533,399 $175.4M Add +3.4%
CSCO Cisco Systems Inc. 0.39% 2,205,020 $171.1M Add +6.3%
GE General Electric filed as GE AEROSPACE 0.38% 589,715 $167.3M Add +3.3%
KO The Coca-Cola Co. 0.38% 2,189,290 $166.5M Add +3.3%
MRK Merck & Co. Inc. 0.38% 1,366,001 $164.3M Add +5.6%
LRCX Lam Research Corp. 0.35% 714,596 $152.7M Add +4.2%
AMAT Applied Materials Inc. 0.34% 430,459 $147.1M Add +3.0%
EEM iShares MSCI Emerging Market 0.33% 2,528,628 $143.6M No change
HAPS Harbor Human Capital Factor 0.32% 4,520,000 $140.7M No change
RTX RTX Corp. 0.32% 727,412 $140.3M Add +1.7%
PM Philip Morris International 0.32% 840,288 $138.9M Add +3.3%
BEP Brookfield Renewable Partner 0.32% 4,220,282 $137.8M Reduce -13.3%
GS Goldman Sachs Group Inc. 0.31% 161,721 $136.8M Add +2.0%
ORCL Oracle Corp. 0.31% 925,709 $136.2M Add +4.2%
GEV GE Vernova Inc. 0.31% 155,445 $135.7M Add +5.6%
WFC Wells Fargo & Co. 0.31% 1,680,343 $133.8M Add +1.3%
UNH Unitedhealth Group Inc. 0.30% 485,072 $131.3M Add +3.4%
EFFI Harbor Osmosis Ire ETF 0.30% 5,500,000 $130.4M No change
LIN Linde PLC 0.29% 252,154 $125.0M Add +2.6%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.28% 506,576 $122.8M Add +3.5%
MCD McDonald's Corp. 0.27% 381,367 $118.5M Add +3.1%
EFFE Harbor Osm Emrg MRKT Res ETF 0.27% 5,140,000 $117.4M No change
T AT&T Inc. 0.26% 3,968,995 $115.1M Add +1.8%
INTC Intel Corp. 0.26% 2,584,354 $114.0M Reduce -3.2%
PEP Pepsico Inc. 0.26% 732,192 $113.7M Add +2.3%
VZ Verizon Communications Inc. 0.26% 2,257,928 $113.3M Add +3.4%
MS Morgan Stanley 0.26% 687,619 $113.2M Add +5.6%
KLAC KLA Corp. 0.26% 76,198 $112.2M Add +4.8%
C Citigroup Inc. 0.25% 979,188 $111.0M Reduce -0.3%
CCOM Simplify China Com STR No K1 0.24% 4,202,200 $104.3M New
NEE Nextera Energy Inc. 0.24% 1,118,512 $103.9M Add +3.5%
AMGN Amgen Inc. 0.23% 288,369 $101.5M Add +3.4%
TMO Thermo Fisher Scientific Inc. 0.23% 205,695 $101.1M Add +3.1%
FWONA Liberty Media Corp. Class A 0.23% 1,293,974 $101.0M Reduce -0.6%
AZN Astrazeneca PLC 0.22% 498,704 $96.6M New
TXN Texas Instruments Inc. 0.22% 492,985 $95.7M Add +3.1%
ABT Abbott Laboratories 0.22% 932,148 $95.7M Add +3.3%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.22% 594,676 $95.0M Add +1.5%
GILD Gilead Sciences Inc. 0.22% 678,790 $94.6M Add +2.7%
BKLN Invesco Senior Loan ETF 0.22% 4,620,000 $94.3M Add +44.8%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.21% 972,204 $93.7M Add +2.2%
CRM Salesforce Inc. 0.21% 501,828 $93.7M Add +1.5%
ISRG Intuitive Surgical Inc. 0.21% 195,968 $90.3M Add +1.4%
AXP American Express Co. 0.20% 294,900 $89.2M Reduce -2.5%
COP Conocophillips 0.20% 671,141 $88.6M Add +2.0%
SCHW Schwab (charles) Corp. 0.20% 930,463 $87.4M Add +2.1%
PFE Pfizer Inc. 0.20% 3,072,042 $86.3M Add +3.3%
Z Zillow Group Inc. Class C 0.20% 2,068,039 $85.6M Add +2354.8%
BA The Boeing Co. 0.19% 419,360 $83.5M Add +3.9%
ADI Analog Devices Inc. 0.19% 262,226 $83.4M Add +0.9%
APH Amphenol Corp. Class A 0.19% 659,074 $83.3M Add +4.2%
DE Deere & Co. 0.18% 137,512 $77.5M Add +3.4%
BLK BlackRock Inc. 0.18% 80,280 $77.2M Add +5.2%
UNP Union Pacific Corp. 0.18% 317,631 $77.1M Add +3.4%
HON Honeywell International Inc. 0.18% 339,986 $76.8M Add +3.4%
UBER Uber Technologies Inc. 0.18% 1,067,923 $76.8M Add +2.9%
PANW Palo Alto Networks Inc. 0.17% 470,849 $75.5M Add +27.3%
ETN Eaton Corp. PLC 0.17% 207,994 $74.4M Add +3.1%
QCOM Qualcomm Inc. 0.17% 569,341 $73.3M Add +2.4%
WELL Welltower Inc. 0.17% 369,051 $73.0M Add +6.4%
BKNG Booking Holdings Inc. 0.17% 17,260 $72.7M Add +2.8%
SPGI S&P Global Inc. 0.17% 170,032 $72.3M Add +2.4%
IVV iShares Core S&P 500 ETF 0.16% 109,780 $71.7M Reduce -30.6%
NEM Newmont Corp. 0.16% 660,839 $71.5M Reduce -3.6%
ANET Arista Networks Inc. 0.16% 580,509 $71.3M Add +5.0%

Show all 2,474 holdings

Options reported separately and not counted above: UNP calls ($12.1M), NFLX calls ($6.1M), WEN calls ($834K), JBLU calls ($619K).

Other holdings (13): bonds, preferreds, convertibles and warrants · $384K (not counted above)
SecurityClassShares / PrincipalValueChange
GME.WS Gamestop Corp. *W EXP 10/30/202 60,324$233KReduce -6.2%
ANNAW Aleanna Inc. Class A - 29 *W EXP 12/13/202 55,000$45KNo change
EONR.WS HNR Acquisition Corp. -CW23 *W EXP 11/15/202 320,000$36KNo change
SAC.WS Safeguard Acquisition Corp. *W EXP 99/99/999 50,000$18KNo change
ITHAW Ithax Acquisition Corp. III *W EXP 11/17/203 65,000$14KNo change
GPACW General Purpose Acquisition *W EXP 12/03/203 50,000$12KNo change
KRSP.WS Rice Acquisition Corp. 3 *W EXP 99/99/999 12,877$10KReduce -21.9%
ALOVW Aldabra 4 Liquidity Opportun *W EXP 12/23/203 16,666$5KNew
ADACW American Dr Acq A -30 *W EXP 02/06/203 16,666$5KNo change
SLND.WS Legato Merger Corp. II -CW23 *W EXP 02/14/202 75,000$3KNo change
OBAWW Oxley Bridge Acq Ltd. -30 *W EXP 06/17/203 12,500$3KNo change
SWVLW Pivotal Holdings Corp. -CW27 *W EXP 99/99/999 93,367$700No change
PRENW Prenetics Global Ltd. -CW26 *W EXP 05/18/202 20,000$360No change

Total filed on the 13F, all lines: $43.7B.

Portfolio Sells Q4 2025 → Q1 2026

RSP Invesco S&P 500 Equal Weight Reduce -22.3% 2.90% −0.75
XRT SS SPDR S&P Retail ETF Sold out 0.00% −0.12
JAAA Janus Henderson Aaa Clo ETF Sold out 0.00% −0.11
ZG Zillow Group Inc. Class A Sold out 0.00% −0.09
BIP Brookfield Infrastructure Pa Reduce -45.8% 0.12% −0.09
IVV iShares Core S&P 500 ETF Reduce -30.6% 0.16% −0.08
SRLN SS Blackstone Sr Loan ETF Sold out 0.00% −0.06
PNFP Pinnacle Financial Partners Sold out 0.00% −0.05
SHOP Shopify Inc. Class A Reduce -12.3% 0.10% −0.05
IEMG iShares Core MSCI Emerging Reduce -82.2% 0.01% −0.05
AXP American Express Co. Reduce -2.5% 0.20% −0.05
BAC Bank of America Corp. Reduce -0.4% 0.41% −0.04
UHAL.B U-Haul Holding Co.-Non Voting Reduce -52.4% 0.03% −0.04
RY Royal Bank of Canada Reduce -14.0% 0.16% −0.03
UBS UBS Group AG-Reg Reduce -7.6% 0.10% −0.03
FWONA Liberty Media Corp. Class A Reduce -0.6% 0.23% −0.03
LBRDA Liberty Broadband-A Reduce -55.4% 0.03% −0.03
GIL Gildan Activewear Inc. Reduce -47.8% 0.03% −0.03
IWM iShares Russell 2000 ETF Reduce -78.8% 0.01% −0.03
SNV Synovus Financial Corp. Sold out 0.00% −0.02
DB Deutsche Bank AG-Registered Reduce -12.9% 0.04% −0.02
LUMENTUM HOLDINGS INC (LITE 0.5 06/15/28) Sold out 0.00% −0.02
EWY iShares MSCI South Korea ETF Reduce -61.9% 0.02% −0.02
TD Toronto-Dominion Bank Reduce -13.9% 0.12% −0.02
CYBR Cyberark Software Ltd./Israel Sold out 0.00% −0.02
SYF Synchrony Financial Reduce -17.6% 0.04% −0.02
ELV Elevance Health Inc. Reduce -3.3% 0.08% −0.02
SE Sea Ltd.-ADR Reduce -6.8% 0.03% −0.02
CBRE CBRE Group Inc. Class A Reduce -13.0% 0.05% −0.02
CTRA Coterra Energy Inc. Reduce -51.0% 0.03% −0.02
LEN Lennar Corp. Class A Reduce -23.2% 0.03% −0.02
ADSK Autodesk Inc. Reduce -2.0% 0.07% −0.02
ARES Ares Management Corp. Class A Reduce -5.1% 0.03% −0.02
BN Brookfield Corp. Reduce -10.1% 0.06% −0.01
EXAS Exact Sciences Corp. Sold out 0.00% −0.01
STNE Stoneco Ltd. Class A Reduce -95.1% 0.00% −0.01
CCK Crown Holdings Inc. Reduce -46.7% 0.01% −0.01
TEL Te Connectivity PLC Reduce -9.3% 0.08% −0.01
HPQ HP Inc. Reduce -29.2% 0.02% −0.01
OC Owens Corning Reduce -67.4% 0.01% −0.01
HBAN Huntington Bancshares Inc. Reduce -13.1% 0.05% −0.01
TYL Tyler Technologies Inc. Reduce -14.1% 0.02% −0.01
AXTA Axalta Coating Systems Ltd. Reduce -82.5% 0.00% −0.01
SPOT Spotify Technology SA Reduce -2.9% 0.06% −0.01
CAE Cae Inc. Reduce -25.6% 0.02% −0.01
IDXX Idexx Laboratories Inc. Reduce -0.6% 0.07% −0.01
EMF Templeton Emerging Markets Reduce -35.4% 0.03% −0.01
RBRK Rubrik Inc. Class A Reduce -5.2% 0.02% −0.01
CW Curtiss-Wright Corp. Reduce -36.2% 0.05% −0.01
WAL Western Alliance Bancorp Reduce -10.7% 0.04% −0.01

Portfolio Buys Q4 2025 → Q1 2026

XOM Exxon Mobil Corp. Add +2.2% 0.88% +0.28
CCOM Simplify China Com STR No K1 New 0.24% +0.24
AZN Astrazeneca PLC New 0.22% +0.22
Z Zillow Group Inc. Class C Add +2354.8% 0.20% +0.18
CVX Chevron Corp. Add +2.7% 0.49% +0.14
JNJ Johnson & Johnson Add +3.4% 0.72% +0.14
HEI.A Heico Corp. Class A Add +44.3% 0.69% +0.13
WMT Walmart Inc. Add +3.3% 0.67% +0.10
COST Costco Wholesale Corp. Add +3.5% 0.55% +0.10
CAT Caterpillar Inc. Add +3.3% 0.41% +0.10
AMAT Applied Materials Inc. Add +3.0% 0.34% +0.10
GEV GE Vernova Inc. Add +5.6% 0.31% +0.10
MU Micron Technology Inc. Add +3.6% 0.47% +0.09
SNDK Sandisk Corp. Add +28.3% 0.13% +0.09
LRCX Lam Research Corp. Add +4.2% 0.35% +0.09
NSC Norfolk Southern Corp. Add +95.3% 0.15% +0.07
MRK Merck & Co. Inc. Add +5.6% 0.38% +0.07
BKLN Invesco Senior Loan ETF Add +44.8% 0.22% +0.07
COP Conocophillips Add +2.0% 0.20% +0.06
VZ Verizon Communications Inc. Add +3.4% 0.26% +0.06
HYG Ishr Ibx Usd Hiyld CB ETF-Ui New 0.06% +0.06
KLAC KLA Corp. Add +4.8% 0.26% +0.06
VRT Vertiv Holdings Co. Class A Add +12.8% 0.13% +0.06
LIN Linde PLC Add +2.6% 0.29% +0.05
GLW Corning Inc. Add +0.5% 0.14% +0.05
PBR.A Petroleo Brasil-SP Pref ADR New 0.05% +0.05
KO The Coca-Cola Co. Add +3.3% 0.38% +0.05
WBD Warner Bros Discovery Inc. Add +57.4% 0.13% +0.05
T AT&T Inc. Add +1.8% 0.26% +0.05
STX Seagate Technology Holdings Add +6.9% 0.12% +0.04
NEE Nextera Energy Inc. Add +3.5% 0.24% +0.04
LITE Lumentum Holdings Inc. Add +21.7% 0.07% +0.04
DE Deere & Co. Add +3.4% 0.18% +0.04
CIEN Ciena Corp. Add +7.0% 0.09% +0.04
UAA Under Armour Inc. Class A Add +1710.6% 0.04% +0.04
LMT Lockheed Martin Corp. Add +2.4% 0.15% +0.04
GILD Gilead Sciences Inc. Add +2.7% 0.22% +0.03
NFLX Netflix Inc. Add +2.5% 0.51% +0.03
CSCO Cisco Systems Inc. Add +6.3% 0.39% +0.03
TXN Texas Instruments Inc. Add +3.1% 0.22% +0.03
ADI Analog Devices Inc. Add +0.9% 0.19% +0.03
BKR Baker Hughes Co. Add +8.7% 0.10% +0.03
HON Honeywell International Inc. Add +3.4% 0.18% +0.03
TER Teradyne Inc. Add +18.4% 0.07% +0.03
EQIX Equinix Inc. Add +3.4% 0.12% +0.03
PFE Pfizer Inc. Add +3.3% 0.20% +0.03
PWR Quanta Services Inc. Add +3.0% 0.11% +0.03
PEP Pepsico Inc. Add +2.3% 0.26% +0.03
FIX Comfort Systems USA Inc. Add +6.1% 0.08% +0.03
NWE Northwestern Energy Group Inc. Add +570.0% 0.03% +0.03

Options Activity Q4 2025 → Q1 2026

KWEB Kranesh Csi China Internet call Sold out 2,000,000 $68.1Mbefore exit
ASHR Xtrackers Harvest Csi 300 CH call Sold out 1,840,900 $60.5Mbefore exit
SLV iShares Silver Trust put Sold out 400,000 $25.8Mbefore exit
UNP Union Pacific Corp. call New 50,000 $12.1M
NFLX Netflix Inc. call New 63,000 $6.1M
WEN The Wendy's Co. call New 120,000 $834K
JBLU Jetblue Airways Corp. call New 140,000 $619K

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

Notes & Other Activity Q4 2025 → Q1 2026

GME.WS Gamestop Corp. *W EXP 10/30/202 Reduce -6.2% 60,324 $233K
KRSP.WS Rice Acquisition Corp. 3 *W EXP 99/99/999 Reduce -21.9% 12,877 $10K
ALOVW Aldabra 4 Liquidity Opportun *W EXP 12/23/203 New 16,666 $5K

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