SEI INVESTMENTS CO (SEIC) — 13F holdings

SEI INVESTMENTS CO (SEIC) reported 6,177 holdings worth $113B in its 13F filing for Q2 2026, filed August 14, 2026. That's up 4.5% from $108B in Q1 2026, when it reported 6,108 holdings. Its 10 largest positions make up 18.5% of the portfolio.

SEI INVESTMENTS CO (SEIC)'s largest positions in Q2 2026

1. NVDA NVIDIA CORPORATION — $4.07B (3.6%) · added 4%
2. AAPL APPLE INC — $2.44B (2.2%) · cut 25%
3. MSFT MICROSOFT CORP — $2.21B (1.9%) · cut 16%
4. AMZN AMAZON COM INC — $2.10B (1.9%) · cut 10%
5. GOOG ALPHABET INC — $2.02B (1.8%) · cut 3%
6. VEA VANGUARD TAX-MANAGED FDS — $1.77B (1.6%) · unchanged
7. AVGO BROADCOM INC — $1.69B (1.5%) · cut 12%
8. SCHG SCHWAB STRATEGIC TR — $1.61B (1.4%) · unchanged
9. SCHV SCHWAB STRATEGIC TR — $1.57B (1.4%) · unchanged
10. BND VANGUARD BD INDEX FDS — $1.47B (1.3%) · added 8%
11. GOOGL ALPHABET INC — $1.42B (1.3%) · cut 5%
12. IDEV ISHARES TR — $1.16B (1.0%) · added 4%
13. META META PLATFORMS INC — $1.02B (0.9%) · cut 8%
14. TSM TAIWAN SEMICONDUCTOR MFG LTD — $1.01B (0.9%) · cut 18%
15. MU MICRON TECHNOLOGY INC — $992M (0.9%) · added 7%
16. SCHX SCHWAB STRATEGIC TR — $951M (0.8%) · unchanged
17. VTV VANGUARD INDEX FDS — $853M (0.8%) · added 2%
18. LLY ELI LILLY & CO — $827M (0.7%) · cut 10%
19. VTEB VANGUARD MUN BD FDS — $801M (0.7%) · added 12%
20. VUG VANGUARD INDEX FDS — $773M (0.7%) · added 2%

What SEI INVESTMENTS CO (SEIC) bought in Q2 2026

232 new positions and 949 positions added to.

1. LITE LUMENTUM HLDGS INC — added, about $169M
2. ANET ARISTA NETWORKS INC — added, about $167M
3. SPCX SPACE EXPLORATION TECHN CORP — new position, about $165M
4. NVDA NVIDIA CORPORATION — added, about $159M
5. CCL CARNIVAL CORP LTD — new position, about $147M
6. AFRM AFFIRM HLDGS INC — added, about $121M
7. MSCI MSCI Inc — added, about $116M
8. BND VANGUARD BD INDEX FDS — added, about $106M
9. ECL ECOLAB INC — added, about $99.7M
10. SARO Standardaero Inc — added, about $89.6M

What SEI INVESTMENTS CO (SEIC) sold in Q2 2026

188 positions sold out and 1,806 reduced.

1. AAPL APPLE INC — cut 25%, about $811M
2. MSFT MICROSOFT CORP — cut 16%, about $406M
3. AMD ADVANCED MICRO DEVICES INC — cut 27%, about $270M
4. SNOW SNOWFLAKE INC — cut 74%, about $251M
5. AMZN AMAZON COM INC — cut 10%, about $233M
6. AVGO BROADCOM INC — cut 12%, about $232M
7. TSM TAIWAN SEMICONDUCTOR MFG LTD — cut 18%, about $223M
8. BKNG BOOKING HOLDINGS INC — cut 57%, about $213M
9. NFLX Netflix Inc — cut 56%, about $209M
10. FLEX FLEX LTD — cut 49%, about $177M

SEI INVESTMENTS CO (SEIC) portfolio value by quarter

• Q2 2026: $113B in 6,177 holdings
• Q1 2026: $108B in 6,108 holdings
• Q4 2025: $101B in 6,077 holdings
• Q3 2025: $93.0B in 5,633 holdings
• Q2 2025: $86.3B in 5,589 holdings
• Q1 2025: $77.7B in 5,482 holdings
• Q4 2024: $77.9B in 5,393 holdings

What does SEI INVESTMENTS CO (SEIC) own?

Its largest positions in Q2 2026 were NVDA, AAPL, MSFT, AMZN, GOOG, out of 6,177 holdings worth $113B.

What did SEI INVESTMENTS CO (SEIC) buy last quarter?

In Q2 2026 it opened 232 new positions and added to 949; the largest buys were LITE, ANET, SPCX.

What did SEI INVESTMENTS CO (SEIC) sell last quarter?

In Q2 2026 it sold out of 188 positions and reduced 1,806, including CARNIVAL CORP, Ascendis Pharma A/S, HOLX.