State of Michigan Retirement System’s iShares Biotechnology ETF IBB Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-137,000	Closed	-$18.1M	–	951
2024 Q4	$18.1M	Hold	137,000	–	–	0.09%	171
2024 Q3	$19.9M	Buy	137,000 +12,000	+10%	+$1.74M	0.1%	165
2024 Q2	$17.2M	Buy	125,000 +75,000	+150%	+$10M	0.09%	173
2024 Q1	$6.86M	Buy	+50,000	New	+$6.83M	0.04%	340
2014 Q2	–	Sell	-60,000	Closed	-$4.73M	–	956
2014 Q1	$4.73M	Buy	+60,000	New	+$5M	0.04%	384

Other funds holding IBB

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Citigroup New York $235B AUM 32.99% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $62.2B AUM 31.35% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

MMEA

Main Management ETF Advisors San Francisco, California $2.68B AUM 24.27% 1-Year Est. Return

State of Michigan Retirement System's IBB Position: Q1 2025 in Review

State of Michigan Retirement System sold out of iShares Biotechnology ETF (IBB) in Q1 2025, closing a stake of 137,000 shares — an estimated $18.1M sold.

State of Michigan Retirement System first reported a position in IBB in Q1 2014 and held it in 5 quarters. The position peaked at $19.9M in Q3 2024. 831 funds tracked by Wall St. Rank hold IBB as of Q1 2025.

State of Michigan Retirement System reported no remaining iShares Biotechnology ETF position as of Q1 2025 after selling out during the quarter.
State of Michigan Retirement System sold 137,000 iShares Biotechnology ETF shares in Q1 2025, an estimated $18.1M.
State of Michigan Retirement System first reported a position in iShares Biotechnology ETF in Q1 2014 and held it in 5 quarters.
State of Michigan Retirement System's iShares Biotechnology ETF position peaked at $19.9M in Q3 2024.
831 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q1 2025.

Based on State of Michigan Retirement System's 13F filing for Q1 2025, filed 30 Apr 2025.