State of Michigan Retirement System’s Smurfit Westrock SW Stock Holding History

State of Michigan Retirement System’s Portfolio SW Stock Details SW Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$6.92M	Buy	149,564 +2,900	+2%	+$120K	0.03%	380
2026 Q1	$5.84M	Sell	146,664 -300	-0.2%	-$12.9K	0.03%	395
2025 Q4	$5.68M	Sell	146,964 -5,000	-3%	-$191K	0.03%	397
2025 Q3	$6.47M	Buy	151,964 +6,400	+4%	+$290K	0.03%	377
2025 Q2	$6.28M	Buy	145,564 +300	+0.2%	+$12.8K	0.03%	381
2025 Q1	$6.55M	Hold	145,264	–	–	0.04%	361
2024 Q4	$7.82M	Buy	145,264 +5,200	+4%	+$265K	0.04%	330
2024 Q3	$6.92M	Buy	+140,064	New	+$6.37M	0.03%	356

Other funds holding SW

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

CCM

Causeway Capital Management Los Angeles, California $9.24B AUM 21.27% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

State of Michigan Retirement System's SW Position: Q2 2026 in Review

State of Michigan Retirement System increased its Smurfit Westrock (SW) stake by 2% in Q2 2026, buying an estimated $120K and bringing the position to 149,564 shares worth $6.92M. The position accounts for 0.03% of the portfolio, ranked #380.

State of Michigan Retirement System first reported a position in SW in Q3 2024 and has held it in 8 quarters since. The position peaked at $7.82M in Q4 2024. 640 funds tracked by Wall St. Rank hold SW as of Q2 2026.

State of Michigan Retirement System held 149,564 shares of Smurfit Westrock worth $6.92M as of Q2 2026.
State of Michigan Retirement System bought 2,900 Smurfit Westrock shares in Q2 2026, an estimated $120K.
Smurfit Westrock made up 0.03% of State of Michigan Retirement System's portfolio in Q2 2026, its #380 holding.
State of Michigan Retirement System first reported a position in Smurfit Westrock in Q3 2024 and has held it in 8 quarters since.
State of Michigan Retirement System's Smurfit Westrock position peaked at $7.82M in Q4 2024.
640 funds tracked by Wall St. Rank held Smurfit Westrock as of Q2 2026.

Based on State of Michigan Retirement System's 13F filing for Q2 2026, filed 30 Jul 2026.