Harbor Capital Advisors, Inc.

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed July 9, 2025), Harbor Capital Advisors, Inc. reported 1,387 stock positions worth $2.4 billion. Its top holding was iShares Core S&P 500 ETF (IVV) at 2.0% of the portfolio, followed by Stonex (SNEX, 1.4%) and Radnet (RDNT, 1.0%). Compared with Q1 2025, it opened 37 new positions, sold out of 57, added to 762 and reduced 541. The biggest buy was iShares Core S&P 500 ETF (IVV, shares +75%) and the biggest sale an exit from SS Technology Select Sector (XLK).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001039128
Portfolio Value
$2.4B (Q2 2025)
SEC Filing
0001039128-25-000003 ↗ filed Jul 9, 2025

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $765.3M Q1 2024 Q2 2024: $1.3B Q2 2024 Q3 2024: $2.3B Q3 2024 Q4 2024: $2.3B Q4 2024 Q1 2025: $2.2B Q1 2025 Q2 2025: $2.4B $2.4B Q2 2025 Q3 2025: $1.3B Q3 2025 Q4 2025: $1.3B Q4 2025 Q1 2026: $1.2B Q1 2026 Q2 2026: $1.5B Q2 2026

Holdings 1,387 stocks · $2.4B

IVV iShares Core S&P 500 ETF 2.03% 77,972 $48.4M Add +75.0%
SNEX Stonex Group Inc. 1.40% 364,592 $33.2M Reduce -7.7%
RDNT Radnet Inc. 1.02% 428,441 $24.4M Add +0.1%
MSFT Microsoft Corp. 1.01% 48,131 $23.9M Reduce -0.6%
FIX Comfort Systems USA Inc. 0.99% 44,085 $23.6M Add +0.1%
NVDA Nvidia Corp. 0.94% 142,409 $22.5M Reduce -0.6%
LAUR Laureate Education Inc. 0.90% 911,655 $21.3M Add +2.3%
SFM Sprouts Farmers Market Inc. 0.88% 127,586 $21.0M Reduce -13.3%
FFIV F5 Inc. 0.84% 68,289 $20.1M Reduce -9.2%
META Meta Platforms Inc. Class A 0.82% 26,541 $19.6M Reduce -0.6%
GOOGL Alphabet Inc. Class A 0.78% 106,028 $18.7M Reduce -0.5%
ACA Arcosa Inc. 0.78% 214,771 $18.6M Add +1.0%
MOD Modine Manufacturing Co. 0.76% 182,810 $18.0M Add +28.6%
FTAI Ftai Aviation Ltd. 0.75% 154,462 $17.8M Add +4.5%
AAPL Apple Inc. 0.69% 80,226 $16.5M Reduce -0.6%
ECVT Ecovyst Inc. 0.69% 1,998,169 $16.4M Reduce -7.6%
FOUR SHIFT4 Payments Inc. Class A 0.68% 163,718 $16.2M Add +0.5%
VRRM Verra Mobility Corp. 0.68% 635,918 $16.1M Add +1.2%
JPM JPMorgan Chase & Co. 0.68% 55,437 $16.1M Reduce -0.5%
ATEN A10 Networks Inc. 0.67% 828,616 $16.0M Add +2.5%
LNTH Lantheus Holdings Inc. 0.65% 190,008 $15.6M Add +24.8%
MGNI Magnite Inc. 0.64% 634,147 $15.3M Add +7.2%
SIMO Silicon Motion Technol-ADR 0.64% 202,721 $15.2M Add +65.5%
UHAL.B U-Haul Holding Co.-Non Voting 0.63% 277,829 $15.1M Add +6.7%
HLMN Hillman Solutions Corp. 0.60% 1,994,363 $14.2M Add +9.7%
GSL Global Ship Lease Inc. Class A 0.59% 536,747 $14.1M Add +1.9%
HD Home Depot Inc. 0.58% 37,589 $13.8M Reduce -0.6%
GRBK Green Brick Partners Inc. 0.57% 216,945 $13.6M Reduce -3.2%
PARR Par Pacific Holdings Inc. 0.57% 513,350 $13.6M Reduce -0.4%
SMTC Semtech Corp. 0.57% 301,459 $13.6M Add +13.0%
ASND Ascendis Pharma A/S 0.57% 78,560 $13.6M Reduce -8.6%
INDI Indie Semiconductor Inc. Class A 0.56% 3,731,740 $13.3M Reduce -9.0%
FHB First Hawaiian Inc. 0.56% 530,678 $13.2M Add +1.2%
PRCH Porch Group Inc. 0.55% 1,108,910 $13.1M Reduce -15.9%
IIIV I3 Verticals Inc. Class A 0.52% 454,743 $12.5M Add +67.2%
CRS Carpenter Technology 0.52% 44,955 $12.4M Reduce -11.2%
PSMT Pricesmart Inc. 0.51% 116,131 $12.2M Add +2.5%
FIBK First Interstate Bancsys-A 0.51% 419,104 $12.1M Add +18.7%
APPS Digital Turbine Inc. 0.51% 2,039,091 $12.0M New
WTFC Wintrust Financial Corp. 0.50% 95,903 $11.9M Add +6.8%
UTI Universal Technical Institut 0.50% 348,785 $11.8M Reduce -2.4%
FCNCA First Citizens Bcshs Class A 0.49% 5,929 $11.6M Add +2.2%
APAM Artisan Partners Asset Ma -A 0.48% 257,459 $11.4M Add +1.4%
SILA Sila Realty Trust Inc. 0.47% 475,265 $11.3M Add +10.9%
PENN Penn Entertainment Inc. 0.47% 622,805 $11.1M Add +29.7%
FTDR Frontdoor Inc. 0.47% 187,850 $11.1M Reduce -17.2%
BV Brightview Holdings Inc. 0.46% 662,165 $11.0M Add +1.6%
ELAN Elanco Animal Health Inc. 0.46% 772,062 $11.0M Reduce -13.8%
NFLX Netflix Inc. 0.46% 8,188 $11.0M Reduce -0.6%
VYX NCR Voyix Corp. 0.46% 933,939 $11.0M Add +9.7%
XLC SS Comm Select Sector SPDR 0.46% 100,672 $10.9M Reduce -31.9%
BWXT BWX Technologies Inc. 0.46% 75,513 $10.9M Reduce -28.4%
PLOW Douglas Dynamics Inc. 0.45% 367,516 $10.8M Reduce -0.0%
SIBN Si-Bone Inc. 0.45% 573,705 $10.8M Add +7.7%
BXC Bluelinx Holdings Inc. 0.45% 143,037 $10.6M Reduce -0.4%
STKL Sunopta Inc. 0.45% 1,831,940 $10.6M Reduce -0.3%
BATRK Atlanta Braves Holdings in-C 0.44% 225,901 $10.6M Reduce -2.3%
ALG Alamo Group Inc. 0.44% 48,255 $10.5M Add +0.7%
FLR Fluor Corp. 0.44% 205,427 $10.5M Reduce -7.5%
CVCO Cavco Industries Inc. 0.43% 23,791 $10.3M Add +3.9%
UCTT Ultra Clean Holdings Inc. 0.43% 450,603 $10.2M Add +13.3%
AXTA Axalta Coating Systems Ltd. 0.42% 338,640 $10.1M Add +4.8%
NOV Nov Inc. 0.42% 804,961 $10.0M Add +18.8%
MSGS Madison Square Garden Sports 0.42% 47,833 $10.0M Reduce -10.4%
MKSI MKS Inc. 0.42% 99,776 $9.9M Reduce -9.1%
NXT Nextpower Inc. filed as NEXTRACKER INC 0.41% 180,853 $9.8M Reduce -6.8%
SMMD iShares Russell 2500 ETF 0.41% 144,956 $9.8M Reduce -28.6%
IDCC Interdigital Inc. 0.41% 43,660 $9.8M Add +3.6%
TENB Tenable Holdings Inc. 0.40% 283,368 $9.6M Add +9.3%
AVT Avnet Inc. 0.40% 180,018 $9.6M Reduce -24.2%
HSTM Healthstream Inc. 0.40% 343,124 $9.5M Reduce -19.2%
ACLS Axcelis Technologies Inc. 0.40% 135,583 $9.4M Reduce -3.6%
LLY Eli Lilly & Co. 0.39% 12,035 $9.4M Reduce -0.6%
GPK Graphic Packaging Holding Co. 0.38% 434,871 $9.2M Add +21.6%
WTTR Select Water Solutions Inc. 0.38% 1,054,145 $9.1M Add +3.8%
EEFT Euronet Worldwide Inc. 0.38% 89,380 $9.1M Add +25.4%
STGW Stagwell Inc. 0.38% 2,010,698 $9.0M Add +21.9%
SPNT Siriuspoint Ltd. 0.38% 441,968 $9.0M Add +11.3%
AGO Assured Guaranty Ltd. 0.38% 103,039 $9.0M Reduce -0.5%
ASH Ashland Inc. 0.37% 175,836 $8.8M Add +13.2%
CSW CSW Industrials Inc. 0.37% 30,578 $8.8M Add +2.4%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.36% 69,974 $8.7M Reduce -0.5%
NSP Insperity Inc. 0.36% 143,841 $8.6M Add +10.3%
JLL Jones Lang Lasalle Inc. 0.36% 33,484 $8.6M Add +0.3%
VTS Vitesse Energy Inc. 0.36% 386,815 $8.5M Add +1.1%
V Visa Inc. Class A 0.36% 23,969 $8.5M Reduce -0.6%
TDW Tidewater Inc. 0.35% 179,374 $8.3M Reduce -0.1%
LZ Legalzoomcom Inc. 0.35% 928,183 $8.3M Add +92.2%
NCLH Norwegian Cruise Line Holdin 0.34% 400,763 $8.1M Add +23.5%
EAT Brinker International Inc. 0.34% 44,819 $8.1M Reduce -11.5%
AL Sumisho Air Lease Corp. filed as AIR LEASE CORP 0.33% 136,178 $8.0M Reduce -28.4%
BPOP Popular Inc. 0.33% 71,666 $7.9M Reduce -24.2%
CWST Casella Waste Systems Inc. Class A 0.33% 67,800 $7.8M Add +6.2%
ADUS Addus Homecare Corp. 0.33% 67,219 $7.7M Add +4.5%
ST Sensata Technologies Holdplc 0.32% 253,558 $7.6M Reduce -21.4%
CALY Callaway Golf Company filed as TOPGOLF CALLAWAY BRANDS CORP 0.32% 946,613 $7.6M Add +1.6%
NPKI NPK International Inc. 0.32% 894,793 $7.6M Add +88.6%
EFOR Everforth Inc. filed as ASGN INC 0.31% 148,782 $7.4M Add +27.0%
ELF Elf Beauty Inc. 0.31% 59,394 $7.4M Reduce -42.5%
TREE Lendingtree Inc. 0.31% 197,929 $7.3M New

Show all 1,387 holdings

Portfolio Sells Q1 2025 → Q2 2025

XLK SS Technology Select Sector Sold out 0.00% −0.43
CSWC Capital Southwest Corp. Sold out 0.00% −0.41
LIONS GATE ENTMNT CORP Sold out 0.00% −0.40
DNB Dun & Bradstreet Holdings Inc. Sold out 0.00% −0.37
NEOG Neogen Corp. Reduce -16.4% 0.27% −0.37
SSO Proshares Ultra S&P500 Sold out 0.00% −0.36
KW Kennedy-Wilson Holdings Inc. Reduce -99.9% 0.00% −0.31
QQQ Invesco QQQ Trust Series 1 Sold out 0.00% −0.26
HSTM Healthstream Inc. Reduce -19.2% 0.40% −0.22
XLE SS Energy Select Sector Reduce -71.7% 0.07% −0.21
SKY Champion Homes Inc. Reduce -2.3% 0.30% −0.21
WNS WNS Holdings Ltd. Sold out 0.00% −0.20
XLC SS Comm Select Sector SPDR Reduce -31.9% 0.46% −0.19
VIVID SEATS INC Reduce -99.9% 0.00% −0.18
SMMD iShares Russell 2500 ETF Reduce -28.6% 0.41% −0.17
DCGO Docgo Inc. Sold out 0.00% −0.16
SFM Sprouts Farmers Market Inc. Reduce -13.3% 0.88% −0.14
ACIW Aci Worldwide Inc. Reduce -19.9% 0.22% −0.14
EWJ iShares MSCI Japan ETF Reduce -37.4% 0.23% −0.13
MOG.A Moog Inc. Class A Reduce -99.5% 0.00% −0.13
TECH Bio-Techne Corp. Sold out 0.00% −0.13
VGK Vanguard Ftse Europe ETF Reduce -57.3% 0.10% −0.13
IWN iShares Russell 2000 Value E Reduce -36.0% 0.20% −0.13
AAPL Apple Inc. Reduce -0.6% 0.69% −0.13
THO Thor Industries Inc. Sold out 0.00% −0.13
AVT Avnet Inc. Reduce -24.2% 0.40% −0.12
CHDN Churchill Downs Inc. Reduce -54.4% 0.07% −0.12
SLAB Silicon Laboratories Inc. Reduce -77.7% 0.04% −0.12
GTLS Chart Industries Inc. Reduce -99.6% 0.00% −0.11
LION Lionsgate Studios Corp. Sold out 0.00% −0.11
RPD RAPID7 Inc. Reduce -9.1% 0.29% −0.11
OPCH Option Care Health Inc. Reduce -34.8% 0.13% −0.10
CYTK Cytokinetics Inc. Sold out 0.00% −0.10
RKLB Rocket Lab USA Inc. Sold out 0.00% −0.10
SN Sharkninja Inc. Reduce -30.9% 0.29% −0.09
TTGT Techtarget Inc. Reduce -1.1% 0.09% −0.09
EEM iShares MSCI Emerging Market Reduce -27.7% 0.26% −0.09
EFA iShares MSCI Eafe ETF Reduce -53.1% 0.08% −0.09
AL Sumisho Air Lease Corp. Reduce -28.4% 0.33% −0.08
LOPE Grand Canyon Education Inc. Reduce -25.1% 0.26% −0.08
SPIR Spire Global Inc. Reduce -51.5% 0.16% −0.08
MLTX Moonlake Immunotherapeutics Reduce -49.6% 0.10% −0.08
FLGB Franklin Ftse United Kingdom Reduce -54.7% 0.06% −0.08
CHX Championx Corp. Reduce -22.3% 0.12% −0.08
PLMR Palomar Holdings Inc. Reduce -27.6% 0.24% −0.08
ARW Arrow Electronics Inc. Reduce -74.1% 0.03% −0.08
CNO Cno Financial Group Inc. Reduce -98.1% 0.00% −0.08
BECN Beacon Roofing Supply Inc. Sold out 0.00% −0.08
IRTC Irhythm Holdings Inc. Reduce -47.8% 0.18% −0.08
ALEX Alexander & Baldwin Inc. Reduce -99.7% 0.00% −0.07

Portfolio Buys Q1 2025 → Q2 2025

IVV iShares Core S&P 500 ETF Add +75.0% 2.03% +0.89
APPS Digital Turbine Inc. New 0.51% +0.51
SIMO Silicon Motion Technol-ADR Add +65.5% 0.64% +0.36
FIX Comfort Systems USA Inc. Add +0.1% 0.99% +0.35
MGNI Magnite Inc. Add +7.2% 0.64% +0.34
TREE Lendingtree Inc. New 0.31% +0.31
MOD Modine Manufacturing Co. Add +28.6% 0.76% +0.26
IIIV I3 Verticals Inc. Class A Add +67.2% 0.52% +0.22
GNRC Generac Holdings Inc. New 0.21% +0.21
BMI Badger Meter Inc. Add +307.5% 0.25% +0.20
NPKI NPK International Inc. Add +88.6% 0.32% +0.19
LQDT Liquidity Services Inc. Add +337736.2% 0.19% +0.19
SNV Synovus Financial Corp. Add +467.9% 0.23% +0.19
MASI Masimo Corp. New 0.19% +0.19
CVLT Commvault Systems Inc. Add +256.0% 0.23% +0.17
DFIN Donnelley Financial Solution Add +77.8% 0.28% +0.16
LZ Legalzoomcom Inc. Add +92.2% 0.35% +0.16
SMTC Semtech Corp. Add +13.0% 0.57% +0.15
KIDS Orthopediatrics Corp. Add +116.5% 0.30% +0.13
CORZ Core Scientific Inc. Add +45.2% 0.17% +0.12
INDB Independent Bank Corp. Add +17128.1% 0.12% +0.12
ABCB Ameris Bancorp Add +16516.1% 0.12% +0.12
SIBN Si-Bone Inc. Add +7.7% 0.45% +0.11
CLS Celestica Inc. Add +21.4% 0.20% +0.11
PENN Penn Entertainment Inc. Add +29.7% 0.47% +0.11
BOOT Boot Barn Holdings Inc. Add +60.7% 0.20% +0.11
INTA Intapp Inc. New 0.10% +0.10
OWLT Owlet Inc. Add +70.0% 0.14% +0.10
PRCT Procept Biorobotics Corp. New 0.10% +0.10
FORM Formfactor Inc. Add +54.7% 0.23% +0.10
POWL Powell Industries Inc. Add +39.7% 0.26% +0.10
IONQ Ionq Inc. New 0.09% +0.09
WGS Genedx Holdings Corp. Add +150.9% 0.15% +0.09
YETI Yeti Holdings Inc. Add +66.7% 0.27% +0.09
BV Brightview Holdings Inc. Add +1.6% 0.46% +0.08
VYX NCR Voyix Corp. Add +9.7% 0.46% +0.08
FN Fabrinet Add +19.4% 0.20% +0.08
LAD Lithia Motors Inc. Add +39.6% 0.24% +0.08
BLKB Blackbaud Inc. New 0.08% +0.08
FOUR SHIFT4 Payments Inc. Class A Add +0.5% 0.68% +0.08
GMS GMS Inc. Add +2.9% 0.25% +0.07
ATEN A10 Networks Inc. Add +2.5% 0.67% +0.07
XLF SS Financial Select Sector Add +46.1% 0.24% +0.07
MDU Mdu Resources Group Inc. New 0.07% +0.07
AMRC Ameresco Inc. Class A Add +31.4% 0.19% +0.07
SPNT Siriuspoint Ltd. Add +11.3% 0.38% +0.07
LAUR Laureate Education Inc. Add +2.3% 0.90% +0.07
ALKT Alkami Technology Inc. Add +370.5% 0.08% +0.06
SWK Stanley Black & Decker Inc. New 0.06% +0.06
VRNA Verona Pharma Ltd. New 0.06% +0.06

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 1,213$1.5BIEMG, SPYM, AMZN, GOOGL, AAPL
Q1 2026 1,211$1.2BIEMG, AMZN, AAPL, NVDA, GOOGL
Q4 2025 1,323$1.3BIEMG, GOOGL, SPYM, NVDA, MSFT
Q3 2025 1,339$1.3BIVV, EEM, EFA, NVDA, GOOGL
Q2 2025 1,387$2.4BIVV, SNEX, RDNT, MSFT, FIX
Q1 2025 1,407$2.2BSNEX, IVV, SFM, RDNT, FFIV
Q4 2024 1,319$2.3BSNEX, NVDA, RDNT, SFM, AMZN
Q3 2024 1,339$2.3BNVDA, RDNT, SNEX, SFM, AAPL
Q2 2024 724$1.3BNVDA, AMZN, MSFT, AAPL, GOOG
Q1 2024 744$765.3MNVDA, MSFT, AMZN, AAPL, GOOGL