Institutional Manager · CIK 0000762152
STATE OF MICHIGAN RETIREMENT SYSTEM
EAST LANSING, MI · File #028-01462
Latest AUM
$20.57B
Positions
935
Top-10 Concentration
61.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | SPDR S P 500 ETF TR | SPY | -351,900 | -$240.0M | +$19.4M |
| ADD | NETFLIX INC | NFLX | +1,429,141 | +$134.0M | -$188.4M |
| ADD | DUOLINGO INC | DUOL | +551,000 | +$96.7M | -$1.4M |
| NEW | KAYNE ANDERSON BDC INC | KBDC | +6,566,762 | +$94.0M | $0 |
| REDUCE | NVIDIA CORPORATION | NVDA | -298,700 | -$55.7M | -$668,717 |
| ADD | KROGER CO | KR | +795,700 | +$49.7M | -$2.9M |
| REDUCE | APPLE INC | AAPL | -151,700 | -$41.2M | +$74.7M |
| ADD | SERVICENOW INC | NOW | +260,320 | +$39.9M | -$43.2M |
| EXITED | SPOTIFY TECHNOLOGY S A | L8681T102 | -56,031 | -$39.1M | $0 |
| REDUCE | MICROSOFT CORP | MSFT | -61,900 | -$29.9M | -$78.8M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025935 pos · $20.57B
- 13F HOLDINGS REPORTQ/E Sep 2025944 pos · $20.81B
- 13F HOLDINGS REPORTQ/E Jun 2025944 pos · $19.31B
- 13F HOLDINGS REPORTQ/E Mar 2025944 pos · $17.34B
- 13F HOLDINGS REPORTQ/E Dec 2024951 pos · $19.24B
- 13F HOLDINGS REPORTQ/E Sep 2024950 pos · $20.17B
- 13F HOLDINGS REPORTQ/E Jun 2024950 pos · $19.46B
- 13F HOLDINGS REPORTQ/E Mar 2024955 pos · $18.60B
- 13F HOLDINGS REPORTQ/E Dec 2023964 pos · $15.46B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | NVDA | 8,060,260 | $1.50B | 12.00% |
| 2 | APPLE INC | AAPL | 4,183,799 | $1.14B | 9.08% |
| 3 | MICROSOFT CORP | MSFT | 2,233,867 | $1.08B | 8.63% |
| 4 | AMAZON COM INC | AMZN | 3,003,020 | $693.2M | 5.53% |
| 5 | BROADCOM INC | AVGO | 1,846,860 | $639.2M | 5.10% |
| 6 | ALPHABET INC | GOOG | 1,925,280 | $602.6M | 4.81% |
| 7 | SPDR S P 500 ETF TR | SPY | 879,840 | $600.0M | 4.79% |
| 8 | META PLATFORMS INC | META | 848,314 | $560.0M | 4.47% |
| 9 | ALPHABET INC | GOOG | 1,568,960 | $492.3M | 3.93% |
| 10 | TESLA INC | TSLA | 735,657 | $330.8M | 2.64% |
| 11 | ISHARES TR | 46432F396 | 1,287,290 | $322.2M | 2.57% |
| 12 | JPMORGAN CHASE CO | VYLD | 912,731 | $294.1M | 2.35% |
| 13 | ELI LILLY CO | LLY | 256,704 | $275.9M | 2.20% |
| 14 | ISHARES TR | 464287242 | 2,172,400 | $239.4M | 1.91% |
| 15 | VISA INC | V | 553,223 | $194.0M | 1.55% |
| 16 | ADVANCED MICRO DEVICES INC | AMD | 843,000 | $180.5M | 1.44% |
| 17 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 339,729 | $170.8M | 1.36% |
| 18 | PALANTIR TECHNOLOGIES INC | PLTR | 878,000 | $156.1M | 1.25% |
| 19 | NETFLIX INC | NFLX | 1,599,590 | $150.0M | 1.20% |
| 20 | COSTCO WHSL CORP NEW | 22160K105 | 169,769 | $146.4M | 1.17% |