Sei Investments Co.

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 13, 2026), Sei Investments Co. reported 3,212 stock positions worth $108.4 billion. Its top holding was Nvidia (NVDA) at 3.5% of the portfolio, followed by Apple (AAPL, 2.6%) and Microsoft (MSFT, 2.4%). Compared with Q4 2025, it opened 244 new positions, sold out of 138, added to 2,076 and reduced 763. The biggest buy was a new position in Pgim Aaa Clo ETF (PAAA) and the biggest sale Microsoft (MSFT, shares −2%).

Most Recent 13F
Q2 2026
Location
OAKS, PA
CIK
0000350894
Portfolio Value
$108.4B (Q1 2026)
SEC Filing
0002048251-26-003739 ↗ filed May 13, 2026

Holdings Value

0$50.0B$100.0B$150.0B Q1 2024: $68.2B Q1 2024 Q2 2024: $70.6B Q2 2024 Q3 2024: $77.0B Q3 2024 Q4 2024: $77.9B Q4 2024 Q1 2025: $77.7B Q1 2025 Q2 2025: $86.3B Q2 2025 Q3 2025: $93.0B Q3 2025 Q4 2025: $101.3B Q4 2025 Q1 2026: $108.4B $108.4B Q1 2026 Q2 2026: $113.3B Q2 2026

Holdings 3,212 stocks · $108.4B

NVDA Nvidia Corp. 3.49% 21,684,924 $3.8B Add +12.7%
AAPL Apple Inc. 2.63% 11,250,613 $2.9B Add +19.3%
MSFT Microsoft Corp. 2.39% 7,000,712 $2.6B Reduce -1.6%
AMZN Amazon.com Inc. 2.02% 10,492,826 $2.2B Add +10.2%
GOOG Alphabet Inc. Class C 1.55% 5,860,888 $1.7B Add +29.2%
VEA Vanguard Ftse Developed ETF 1.46% 24,732,041 $1.6B Reduce -3.6%
AVGO Broadcom Inc. 1.45% 5,075,086 $1.6B Add +23.4%
SCHG Schwab US Large-Cap Growth 1.28% 47,564,768 $1.4B Add +7.6%
BND Vanguard Total Bond Market 1.26% 18,628,006 $1.4B Add +4.3%
SCHV Schwab US Large-Cap Value 1.26% 44,768,506 $1.4B Reduce -2.2%
GOOGL Alphabet Inc. Class A 1.11% 4,169,123 $1.2B Add +8.7%
META Meta Platforms Inc. Class A 1.04% 1,971,374 $1.1B Add +15.3%
IDEV iShares Core MSCI Dev MKTS 0.96% 12,439,499 $1.0B Add +2.4%
TSM Taiwan Semiconductor-SP ADR 0.81% 2,591,510 $875.8M Add +11.8%
SCHX Schwab US Large-Cap ETF 0.77% 32,528,571 $834.0M Add +5.0%
VTV Vanguard Mrngstr Val ETF-Aui 0.69% 3,838,454 $753.1M Add +1.9%
VTEB Vanguard Tax-Exempt Bond ETF 0.65% 14,164,689 $706.7M Add +4.9%
LLY Eli Lilly & Co. 0.65% 767,347 $705.8M Add +19.1%
NXUS Nuveen Intnatinal Agg BD ETF 0.60% 26,093,255 $646.9M Add +57.8%
VUG Vanguard Mrngstar GR ETF-Sui 0.59% 1,472,034 $643.0M Add +1.1%
IEMG iShares Core MSCI Emerging 0.58% 9,074,872 $633.0M Reduce -4.3%
MA Mastercard Inc. Class A 0.57% 1,243,557 $621.4M Add +5.0%
SEIV Sei Qim US Large Cap Value A filed as SEI EXCHANGE TRADED FUNDS 0.57% 14,939,112 $620.9M Add +1.3%
SEIM Sei Qim US Large Cap Momentu filed as SEI EXCHANGE TRADED FUNDS 0.57% 13,469,751 $613.5M Add +2.5%
VWO Vanguard Ftse Emerging Marke 0.56% 11,297,600 $610.6M Add +0.9%
BNDX Vanguard Total Intl Bond ETF 0.54% 12,250,083 $588.6M Add +6.3%
MUB iShares National Muni Bond E 0.52% 5,274,695 $559.9M Add +0.1%
V Visa Inc. Class A 0.51% 1,846,896 $558.2M Reduce -0.2%
TSLA Tesla Inc. 0.51% 1,499,674 $557.5M Add +17.0%
WELL Welltower Inc. 0.48% 2,658,479 $525.6M Add +10.3%
NFLX Netflix Inc. 0.46% 5,226,023 $502.5M Add +9.9%
JNJ Johnson & Johnson 0.44% 1,961,422 $479.5M Add +16.4%
SPHY SS SPDR P High Yield ETF 0.43% 19,832,325 $462.5M Add +5.7%
SCHA Schwab US Small-Cap ETF 0.40% 14,734,817 $428.5M Reduce -0.2%
SCHO Schwab Short-Term US Treas 0.37% 16,741,000 $406.3M Reduce -10.0%
GE General Electric filed as GE AEROSPACE 0.35% 1,349,422 $382.9M Add +36.0%
JPM JPMorgan Chase & Co. 0.35% 1,298,620 $382.0M Add +35.3%
GEV GE Vernova Inc. 0.35% 435,878 $380.5M Reduce -16.1%
ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 0.35% 287,225 $379.4M Add +223.7%
SPOT Spotify Technology SA 0.34% 749,495 $363.4M Add +1.8%
AMD Advanced Micro Devices 0.33% 1,744,530 $354.9M Add +34.0%
BKNG Booking Holdings Inc. 0.32% 83,598 $352.0M Add +96.5%
SCHP Schwab U.S. Tips ETF 0.32% 12,955,292 $344.7M Add +5.3%
XOM Exxon Mobil Corp. 0.31% 1,975,677 $335.2M Add +32.0%
WWD Woodward Inc. 0.30% 904,404 $323.7M Add +12.5%
VBR Vngrd Mrngst SL-CP Val ETF-U 0.30% 1,486,561 $323.0M Reduce -0.4%
SHOP Shopify Inc. Class A 0.30% 2,704,618 $320.8M Add +7.5%
IEFA iShares Core MSCI Eafe ETF 0.30% 3,541,623 $320.6M Reduce -3.0%
ACWV iShares MSCI Global Min Vol 0.29% 2,656,828 $317.5M Add +2.1%
PAAA Pgim Aaa Clo ETF 0.29% 6,088,840 $311.6M New
PLTR Palantir Technologies Inc. Class A 0.29% 2,122,880 $310.5M Add +88.8%
SUB iShares Short-Term National 0.28% 2,860,129 $304.6M Add +2.2%
SEIQ Sei Qim US Large Cap Quality filed as SEI EXCHANGE TRADED FUNDS 0.28% 8,212,136 $299.0M Add +8.1%
VBK Van Morst SML-Cap Gro-Usd Inc. 0.27% 984,721 $297.6M Add +1.6%
DLR Digital Realty Trust Inc. 0.27% 1,645,851 $296.6M Add +1.0%
CBRE CBRE Group Inc. Class A 0.27% 2,181,413 $295.5M Add +8.7%
PLD Prologis Inc. 0.27% 2,233,173 $295.2M Add +0.5%
PH Parker Hannifin Corp. 0.27% 329,345 $294.9M Add +55.9%
ISRG Intuitive Surgical Inc. 0.27% 633,666 $292.1M Reduce -4.2%
VZ Verizon Communications Inc. 0.26% 5,718,859 $287.1M Add +30.6%
VTIP Vanguard Short-Term Tips 0.26% 5,727,635 $286.1M Reduce -41.1%
RTX RTX Corp. 0.26% 1,478,164 $285.1M Add +31.9%
BRK.B Berkshire Hathaway Inc. Class B 0.26% 591,360 $283.4M Add +10.3%
NHYB Nuveen High Yild Corp. BD ETF 0.25% 11,161,019 $274.9M Add +12.1%
PM Philip Morris International 0.25% 1,661,815 $274.8M Add +19.0%
T AT&T Inc. 0.25% 9,367,726 $271.6M Add +36.5%
MU Micron Technology Inc. 0.25% 802,106 $271.0M Add +39.5%
VWOB Vanguard Emerg MKTS Gov BND 0.25% 4,097,342 $269.2M Add +5.1%
BCI Abrdn Bloomberg All Commodit filed as ABRDN ETFS 0.24% 10,712,681 $260.2M Add +30.6%
EQIX Equinix Inc. 0.24% 261,732 $256.6M Add +11.8%
MRK Merck & Co. Inc. 0.23% 2,102,456 $252.9M Add +13.9%
TDY Teledyne Technologies Inc. 0.23% 414,989 $251.1M Add +3.6%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.23% 5,081,517 $247.7M Add +18.6%
LIN Linde PLC 0.23% 494,915 $245.4M Add +6.0%
C Citigroup Inc. 0.23% 2,160,350 $245.0M Add +13.9%
MCK McKesson Corp. 0.23% 283,014 $244.9M Add +0.7%
EMLC Vaneck JPM Em Local Curr BND 0.22% 9,646,081 $242.2M Add +3.9%
LRCX Lam Research Corp. 0.22% 1,114,239 $238.1M Reduce -3.4%
MS Morgan Stanley 0.21% 1,410,293 $232.1M Add +89.7%
CI The Cigna Group 0.21% 865,893 $231.0M Add +83.6%
LHX L3HARRIS Technologies Inc. 0.21% 666,545 $230.1M Add +11.3%
INSM Insmed Inc. 0.21% 1,395,794 $228.2M Add +56.8%
SE Sea Ltd.-ADR 0.21% 2,739,851 $226.9M Add +16.7%
WMT Walmart Inc. 0.21% 1,823,413 $226.6M Add +5.0%
CSCO Cisco Systems Inc. 0.21% 2,911,194 $225.9M Reduce -7.8%
AMAT Applied Materials Inc. 0.21% 654,891 $223.8M Add +33.5%
COST Costco Wholesale Corp. 0.20% 223,003 $222.2M Add +29.9%
CVX Chevron Corp. 0.20% 1,071,141 $221.6M Add +53.7%
HCA HCA Healthcare Inc. 0.20% 467,796 $221.4M Add +27.4%
BKR Baker Hughes Co. 0.20% 3,587,271 $219.0M Reduce -2.1%
MELI MercadoLibre Inc. 0.20% 126,189 $218.2M Add +20.1%
VTI VG Morningstar TS MKT ETF-US 0.20% 661,433 $212.2M Add +13.0%
WFC Wells Fargo & Co. 0.19% 2,643,920 $210.5M Add +7.5%
ARGX Argenx SE - ADR 0.19% 286,966 $209.6M Reduce -13.2%
MBB iShares MBS ETF 0.19% 2,194,447 $208.3M Add +5.2%
COF Capital One Financial Corp. 0.19% 1,132,858 $206.7M Add +10.8%
CF CF Industries Holdings Inc. 0.19% 1,589,552 $206.4M Reduce -0.1%
ADI Analog Devices Inc. 0.19% 643,745 $204.8M Reduce -14.8%
SNOW Snowflake Inc. 0.18% 1,325,410 $199.9M Add +0.0%
UNH Unitedhealth Group Inc. 0.18% 728,275 $197.1M Add +32.9%

Show all 3,212 holdings

Other holdings (16): bonds, preferreds, convertibles and warrants · $8.8M (not counted above)
SecurityClassShares / PrincipalValueChange
BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A 27,427$1.8MAdd +31.4%
BANK OF AMERICA CORP (BAC 7.25 PERP L) 7.25%CNV PFD L 1,306$1.6MReduce -9.3%
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A 1,267$1.5MAdd +0.3%
NEXTERA ENERGY INC (NEE 7.299 06/01/27) UNIT 06/01/2027 12,007$672KReduce -0.2%
QXO INC (QXO 5.5 05/15/28 B) 5.50 DEP PFD 10,106$556KNo change
PEBBLEBROOK HOTEL TRUST (PEB 6.3 PERP F) 6.3 CUM PFD SR F 28,542$551KAdd +100.0%
HP ENTERPRISE CO (HPE 7.625 09/01/27) 7.625 MAND CONV 6,275$400KAdd +40.9%
ARES MANAGEMENT CORP (ARES 6.75 10/01/27 B) 6.75 SE B PFD 9,550$346KAdd +81.9%
WHIRLPOOL CORP (WHR 8.5 02/15/29 A) 8.5 DEP SR A CNV 8,310$340KNew
APOLLO GLOBAL MANAGEMENT (APO 6.75 07/31/26) SER A MAND CNV 5,150$301KNo change
MICROCHIP TECHNOLOGY INC (MCHP 7.5 03/15/28) DEP SHS REPSTG 4,360$248KNo change
ORACLE CORP (ORCL 6.5 01/15/29 D) 6.5 DEP CUM SR D 5,375$242KNew
SOUTHERN CO (SO 7.125 12/15/28 A) UNIT 12/15/2028 4,689$241KNo change
PCTTW Purecycle Techno-CW26 *W EXP 03/17/202 84,244$65KAdd +100.0%
M-TRON INDUSTRIES INC RIGHT 04/15/2026 18,398$39KNew
RSVRW Reservoir Media-CW26 *W EXP 08/26/202 75,144$11KAdd +100.0%

Total filed on the 13F, all lines: $108.4B.

Portfolio Sells Q4 2025 → Q1 2026

MSFT Microsoft Corp. Reduce -1.6% 2.39% −1.01
ORCL Oracle Corp. Reduce -50.2% 0.15% −0.28
VTIP Vanguard Short-Term Tips Reduce -41.1% 0.26% −0.21
NOW ServiceNow Inc. Reduce -51.9% 0.09% −0.20
INTU Intuit Inc. Reduce -24.1% 0.16% −0.18
APH Amphenol Corp. Class A Reduce -49.3% 0.14% −0.17
BSX Boston Scientific Corp. Reduce -53.7% 0.06% −0.15
DASH DoorDash Inc. Class A Reduce -35.8% 0.09% −0.14
V Visa Inc. Class A Reduce -0.2% 0.51% −0.13
VEA Vanguard Ftse Developed ETF Reduce -3.6% 1.46% −0.12
DHR Danaher Corp. Reduce -32.8% 0.12% −0.11
SYK Stryker Corp. Reduce -55.5% 0.07% −0.11
VRTX Vertex Pharmaceuticals Inc. Reduce -63.4% 0.05% −0.11
CDNS Cadence Design SYS Inc. Reduce -51.6% 0.07% −0.10
ISRG Intuitive Surgical Inc. Reduce -4.2% 0.27% −0.10
SPGI S&P Global Inc. Reduce -15.4% 0.17% −0.10
AXON Axon Enterprise Inc. Reduce -53.7% 0.04% −0.09
HDB HDFC Bank Ltd.-ADR Reduce -6.1% 0.14% −0.09
KKR KKR & Co. Inc. Reduce -58.8% 0.04% −0.09
ARES Ares Management Corp. Class A Reduce -69.5% 0.02% −0.09
ARGX Argenx SE - ADR Reduce -13.2% 0.19% −0.08
SCHV Schwab US Large-Cap Value Reduce -2.2% 1.26% −0.08
NDAQ Nasdaq Inc. Reduce -56.2% 0.04% −0.08
BKLN Invesco Senior Loan ETF Reduce -95.3% 0.00% −0.07
SCHO Schwab Short-Term US Treas Reduce -10.0% 0.37% −0.07
CTAS Cintas Corp. Reduce -58.9% 0.04% −0.07
ICLR Icon PLC Reduce -3.6% 0.08% −0.06
IEMG iShares Core MSCI Emerging Reduce -4.3% 0.58% −0.05
SNPS Synopsys Inc. Reduce -0.5% 0.15% −0.04
CCL Carnival Corp. Reduce -3.3% 0.14% −0.04
IDXX Idexx Laboratories Inc. Reduce -30.5% 0.05% −0.04
FWONK Liberty Media Corp. Class C Reduce -27.9% 0.06% −0.04
CTRA Coterra Energy Inc. Reduce -79.8% 0.01% −0.04
HOOD Robinhood Markets Inc. Class A Reduce -21.7% 0.03% −0.04
MSCI MSCI Inc. Reduce -30.5% 0.06% −0.04
WST West Pharmaceutical Services Reduce -10.6% 0.12% −0.04
ABT Abbott Laboratories Reduce -25.2% 0.05% −0.04
GLDM SPDR Gold Minishares Trust Reduce -69.0% 0.02% −0.04
CWAN Clearwater Analytics HDS-A Reduce -95.4% 0.00% −0.04
RJF Raymond James Financial Inc. Reduce -6.8% 0.12% −0.03
ANET Arista Networks Inc. Reduce -22.4% 0.07% −0.03
XYL Xylem Inc. Reduce -23.6% 0.06% −0.03
HALO Halozyme Therapeutics Inc. Reduce -49.2% 0.03% −0.03
CSCO Cisco Systems Inc. Reduce -7.8% 0.21% −0.03
WCN Waste Connections Inc. Reduce -45.0% 0.03% −0.03
ALLY Ally Financial Inc. Reduce -24.9% 0.05% −0.03
BOX Box Inc. Class A Reduce -4.0% 0.07% −0.03
ALAB Astera Labs Inc. Reduce -24.1% 0.02% −0.03
INVH Invitation Homes Inc. Reduce -25.3% 0.05% −0.03
SAP Sap SE-Sponsored ADR Reduce -23.9% 0.03% −0.03

Portfolio Buys Q4 2025 → Q1 2026

PAAA Pgim Aaa Clo ETF New 0.29% +0.29
ASML ASML Holding NV-NY Reg SHS Add +223.7% 0.35% +0.26
NXUS Nuveen Intnatinal Agg BD ETF Add +57.8% 0.60% +0.19
GOOG Alphabet Inc. Class C Add +29.2% 1.55% +0.15
XOM Exxon Mobil Corp. Add +32.0% 0.31% +0.13
TSM Taiwan Semiconductor-SP ADR Add +11.8% 0.81% +0.11
ELAN Elanco Animal Health Inc. Add +737.5% 0.12% +0.11
AAPL Apple Inc. Add +19.3% 2.63% +0.10
BKNG Booking Holdings Inc. Add +96.5% 0.32% +0.10
CVX Chevron Corp. Add +53.7% 0.20% +0.10
TT Trane Technologies PLC Add +261.5% 0.14% +0.10
JNJ Johnson & Johnson Add +16.4% 0.44% +0.10
VRT Vertiv Holdings Co. Class A Add +153.8% 0.13% +0.10
PLTR Palantir Technologies Inc. Class A Add +88.8% 0.29% +0.09
VZ Verizon Communications Inc. Add +30.6% 0.26% +0.09
PH Parker Hannifin Corp. Add +55.9% 0.27% +0.09
MU Micron Technology Inc. Add +39.5% 0.25% +0.09
CI The Cigna Group Add +83.6% 0.21% +0.08
CHRW C.H. Robinson Worldwide Inc. Add +532.7% 0.10% +0.08
MS Morgan Stanley Add +89.7% 0.21% +0.08
OXY Occidental Petroleum Corp. Add +247.0% 0.10% +0.08
T AT&T Inc. Add +36.5% 0.25% +0.08
AMAT Applied Materials Inc. Add +33.5% 0.21% +0.08
BCI Abrdn Bloomberg All Commodit Add +30.6% 0.24% +0.08
ORLY O'reilly Automotive Inc. Add +163.3% 0.11% +0.06
RTX RTX Corp. Add +31.9% 0.26% +0.06
TFLR T Rowe Price Floating RT ETF New 0.06% +0.06
EQIX Equinix Inc. Add +11.8% 0.24% +0.06
COST Costco Wholesale Corp. Add +29.9% 0.20% +0.06
WWD Woodward Inc. Add +12.5% 0.30% +0.06
INSM Insmed Inc. Add +56.8% 0.21% +0.06
EW Edwards Lifesciences Corp. Add +203.2% 0.09% +0.06
MSI Motorola Solutions Inc. Add +134.8% 0.09% +0.06
AEP American Electric Power Add +39.9% 0.17% +0.06
BP BP PLC-Spons ADR Add +48.7% 0.11% +0.05
AMD Advanced Micro Devices Add +34.0% 0.33% +0.05
GE General Electric Add +36.0% 0.35% +0.05
COP Conocophillips Add +22.5% 0.13% +0.05
FLEX Flex Ltd. Add +52.1% 0.13% +0.05
JPM JPMorgan Chase & Co. Add +35.3% 0.35% +0.05
CMCSA Comcast Corp. Class A Add +57.5% 0.16% +0.05
CB Chubb Ltd. Add +44.7% 0.15% +0.04
WDC Western Digital Corp. Add +5.1% 0.12% +0.04
AVGO Broadcom Inc. Add +23.4% 1.45% +0.04
WELL Welltower Inc. Add +10.3% 0.48% +0.04
EXC Exelon Corp. Add +50.4% 0.11% +0.04
MRK Merck & Co. Inc. Add +13.9% 0.23% +0.04
KLAC KLA Corp. Add +31.5% 0.12% +0.04
FIX Comfort Systems USA Inc. Add +30.6% 0.09% +0.04
LHX L3HARRIS Technologies Inc. Add +11.3% 0.21% +0.04

Notes & Other Activity Q4 2025 → Q1 2026

BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A Add +31.4% 27,427 $1.8M
BANK OF AMERICA CORP (BAC 7.25 PERP L) 7.25%CNV PFD L Reduce -9.3% 1,306 $1.6M
WELLS FARGO & COMPANY (WFC 7.5 PERP L) PERP PFD CNV A Add +0.3% 1,267 $1.5M
NEXTERA ENERGY INC (NEE 7.299 06/01/27) UNIT 06/01/2027 Reduce -0.2% 12,007 $672K
PEBBLEBROOK HOTEL TRUST (PEB 6.3 PERP F) 6.3 CUM PFD SR F Add +100.0% 28,542 $551K
HP ENTERPRISE CO (HPE 7.625 09/01/27) 7.625 MAND CONV Add +40.9% 6,275 $400K
ARES MANAGEMENT CORP (ARES 6.75 10/01/27 B) 6.75 SE B PFD Add +81.9% 9,550 $346K
WHIRLPOOL CORP (WHR 8.5 02/15/29 A) 8.5 DEP SR A CNV New 8,310 $340K
ORACLE CORP (ORCL 6.5 01/15/29 D) 6.5 DEP CUM SR D New 5,375 $242K
PCTTW Purecycle Techno-CW26 *W EXP 03/17/202 Add +100.0% 84,244 $65K
M-TRON INDUSTRIES INC RIGHT 04/15/2026 New 18,398 $39K
RSVRW Reservoir Media-CW26 *W EXP 08/26/202 Add +100.0% 75,144 $11K

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 3,258$113.3BNVDA, AAPL, MSFT, AMZN, GOOG
Q1 2026 3,212$108.4BNVDA, AAPL, MSFT, AMZN, GOOG
Q4 2025 3,105$101.3BNVDA, MSFT, AAPL, AMZN, VEA
Q3 2025 2,804$93.0BNVDA, MSFT, AAPL, AMZN, VEA
Q2 2025 2,772$86.3BMSFT, NVDA, AMZN, AAPL, VEA
Q1 2025Amended 2,747$77.7BMSFT, NVDA, AAPL, AMZN, VEA
Q4 2024 2,712$77.9BMSFT, NVDA, AAPL, AMZN, VEA
Q3 2024 2,669$77.0BMSFT, NVDA, AAPL, AMZN, VEA
Q2 2024 2,647$70.6BMSFT, NVDA, AMZN, VEA, AAPL
Q1 2024 2,610$68.2BMSFT, AMZN, VEA, NVDA, AAPL