Stocks/Funds/CIK 854157

STATE OF WISCONSIN INVESTMENT BOARD

index-like (500+ pos)long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 854157
Assets
$43.36B
+12.2% YoY
Holdings
2,389
Lifetime alpha vs market
-0.70% annual
Average hold time
5.8 yr
median 5.3 yr

Quarterly history

Cum return +199% vs S&P +218% · α -20% lifetimeAUM $43.4B · peak $51.8BFlow $687M (+2%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.89%
trims when stocks drop
when a holding falls −10%+
Middle response
+5.00%
steady accumulation
Rally response
-1.59%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
NVDANVIDIA Corporation$2.27B5.2%+60.9%10.5 yr
AAPLApple Inc.$2.01B4.6%+14.7%10.5 yr
MSFTMicrosoft Corporation$1.41B3.2%-0.6%10.5 yr
RSPInvesco S&P 500 Equal We$1.27B2.9%1.5 yr
AMZNAmazon.com, Inc.$1.08B2.5%+9.5%10.5 yr
GOOGLAlphabet Inc.$900M2.1%10.5 yr
AVGOBroadcom Inc.$760M1.8%+86.0%8.0 yr
GOOGAlphabet Inc.$747M1.7%+84.3%10.5 yr
METAMeta Platforms, Inc.$668M1.5%-0.4%10.5 yr
TSLATesla, Inc.$563M1.3%+43.4%10.5 yr
BRK-ABerkshire Hathaway Inc.$452M1.0%1.8 yr
JPMJPMorgan Chase & Co.$429M1.0%+21.8%10.5 yr
FOXFox Corporation$415M1.0%+1.8%7.3 yr
LLYEli Lilly and Company$397M0.9%+12.2%10.5 yr
HAPIHarbor Human Capital Fac$392M0.9%3.5 yr

Portfolio composition (YoY)

Industry mix
Semiconductors10.5%+3.0pp$4.53B
Asset Management7.8%+1.1pp$3.39B
Internet Content & Information5.8%-0.2pp$2.52B
Software - Infrastructure5.0%-1.0pp$2.18B
Consumer Electronics4.7%-0.4pp$2.03B
Drug Manufacturers - General3.6%+0.1pp$1.57B
Specialty Retail3.2%-0.3pp$1.37B
Banks - Diversified2.8%+0.5pp$1.20B
Aerospace & Defense2.7%+0.5pp$1.18B
Entertainment2.7%+0.0pp$1.16B
Country
US92.7%-2.7pp
CA2.0%+1.8pp
Unknown1.4%+0.2pp
IE1.0%-0.2pp
GB0.8%+0.2pp
BM0.7%+0.4pp
CH0.4%+0.1pp
SG0.2%+0.1pp
Top 5: 18.5% · Top 10: 26.9% · Top 25: 38.4%

Winners

TickerPrev $PnLYoY %
NVDA$1.56B+0.95B60.9%
AVGO$445M+0.38B86.0%
GOOG$437M+0.37B84.3%
AAPL$1.96B+0.29B14.7%
TSLA$429M+0.19B43.4%

Losers

TickerPrev $PnLYoY %
V$354M-0.05B-13.1%
MA$266M-0.02B-8.5%
NWSA$175M-0.01B-7.7%
MSFT$1.56B-0.01B-0.6%
META$731M-0.00B-0.4%

Top buys this quarter · 15

AZN AstraZeneca PLCnew+$98M
Z Zillow Group, Inc. Class C+$82M
NVDA NVIDIA Corporation+$2.27B
AAPL Apple Inc.+$2.01B
MSFT Microsoft Corporation+$1.41B
AMZN Amazon.com, Inc.+$1.08B
NSC Norfolk Southern Corporation+$32M
META Meta Platforms, Inc.+$668M
AVGO Broadcom Inc.+$760M
WBD Warner Bros. Discovery, Inc.+$21M

Top sells this quarter · 15

BIP Brookfield Infrastructure Part$43M
ZG Zillow Group, Inc. Class Aexit$25M
PNFP Pinnacle Financial Partners, Iexit$22M
BEP Brookfield Renewable Partners $131M
CTRA Coterra Energy Inc.$15M
CW Curtiss-Wright Corporation$12M
RY Royal Bank of Canada$12M
GIL Gildan Activewear Inc.$10M
VLO Valero Energy Corporation$39M
EQT EQT Corporation$8M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$43.36B2389+19.47%+17.59%+1.87%+0.69B
2025-12-31$44.24B2261+17.89%+17.72%+0.17%-0.37B
2025-09-30$43.18B2274+17.03%+17.52%-0.49%-0.80B
2025-06-30$40.76B2256+15.97%+14.94%+1.02%-2.17B
2025-03-31$38.63B2235+5.60%+8.30%-2.70%+1.84B
2024-12-31$38.66B2253+19.27%+24.89%-5.62%-1.99B
2024-09-30$39.64B2271+30.04%+36.04%-5.99%-0.62B
2024-06-30$37.65B2288+17.18%+24.49%-7.31%-0.63B
2024-03-31$37.83B2205+24.05%+29.62%-5.58%-0.10B
2023-12-31$35.29B2339+23.36%+26.18%-2.82%-0.46B
2023-09-30$31.97B2490+17.61%+21.57%-3.96%-2.22B
2023-06-30$35.49B2317+16.60%+19.42%-2.83%-0.44B
2023-03-31$33.54B2523-8.73%-7.82%-0.91%+0.43B
2022-12-31$30.98B2482-18.55%-18.17%-0.38%-2.56B
2022-09-30$31.47B2670-15.14%-15.51%+0.37%-5.08B
2022-06-30$38.26B2779-10.65%-10.62%-0.03%-2.13B