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Super Investors HARBOR CAPITAL ADVISORS, INC.
HC

HARBOR CAPITAL ADVISORS, INC.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.48M
Positions
1445
Quarter ended
September 30, 2026
Filed
October 22, 2026

Reported portfolio value by quarter (20 quarters reported)

$2.38B $1.48M
Q4 21 Q4 22 Q4 23 Q4 24 Q4 25 Q3 26

$275M in Q4 2021 → $1.48M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
IC Ishares Core Msci Emerging Mar 2.3% Trimmed 4.2% 418,898 $34K
SS State Street SPDR Portfolio S& 2.1% Added 8.7% 339,104 $30.4K
Microsoft Corp 2.1% Added 6.7% 59,229 $30.4K
Amazon.com Inc 2.0% Added 7.2% 120,101 $29.9K
Nvidia Corp 2.0% Added 4.9% 128,233 $29.3K
Apple Inc 2.0% Added 0.4% 87,932 $29.3K
Alphabet Inc 1.9% Added 8.5% 79,993 $27.5K
Meta Platforms Inc 1.8% Added 2.6% 35,725 $25.9K
FF Franklin Ftse Japan ETF 1.0% Added 12% 361,653 $15K
Jpmorgan Chase & Co 1.0% Added 0.4% 45,158 $14.9K
Cisco Systems Inc 1.0% Added 0.3% 138,717 $14.9K
IN Invesco Nasdaq 100 ETF 1.0% Added 30% 48,959 $14.9K
IC Ishares Core Msci Eafe ETF 1.0% Added 2.3% 149,461 $14.5K
SS State Street Technology Select 0.9% Added 38% 64,573 $12.6K
EL Eli Lilly & Co 0.8% Added 0.4% 10,315 $11.9K
Silicon Motion Technology Corp 0.8% Trimmed 1.3% 42,436 $11.9K
Netflix Inc 0.7% Added 0.4% 154,878 $10.8K
IR Ishares Russell 2500 ETF 0.7% Trimmed 17% 125,765 $10.8K
Chevron Corp 0.7% Added 6.1% 52,643 $10.8K
Salesforce Inc 0.6% Added 6.9% 37,851 $8.69K
Kla Corp 0.6% Added 0.4% 44,221 $8.62K
Marvell Technology Inc 0.6% Added 10% 32,509 $8.59K
Laureate Education Inc 0.5% Added 6.2% 202,350 $7.72K
Avnet Inc 0.5% Trimmed 6.1% 77,124 $7.71K
IK Invesco Kbw Bank ETF 0.5% Added 3558% 86,778 $7.57K
Mastercard Inc 0.5% Added 0.6% 13,600 $7.5K
FI First Interstate Bancsystem In 0.5% Added 4.1% 207,303 $7.41K
Johnson & Johnson 0.5% Trimmed 0.9% 27,920 $7.39K
Arista Networks Inc 0.5% Added 1.1% 35,737 $7.28K
Costco Wholesale Corp 0.5% Added 0.1% 7,949 $7.24K
Lam Research Corp 0.5% Added 1.5% 21,725 $7.14K
VF Vanguard Ftse Europe ETF 0.5% Trimmed 1.4% 81,795 $7.1K
Radnet Inc 0.5% Trimmed 13% 100,843 $6.95K
SS State Street Communication Ser 0.5% Trimmed 6.2% 61,941 $6.87K
P& Procter & Gamble Co/the 0.5% Added 0.3% 46,318 $6.73K
Stonex Group Inc 0.4% Added 56% 101,026 $6.53K
Paycom Software Inc 0.4% Trimmed 14% 29,430 $6.41K
Grand Canyon Education Inc 0.4% Added 24% 41,644 $6.31K
Modine Manufacturing Co 0.4% Added 12% 32,774 $6.14K
Workiva Inc 0.4% Trimmed 19% 90,500 $6.03K
PM Philip Morris International In 0.4% Added 0.4% 31,000 $5.92K
Bank Of America Corp 0.4% Trimmed 0.2% 107,590 $5.86K
Yeti Holdings Inc 0.4% Added 34% 141,612 $5.81K
Twist Bioscience Corp 0.4% Trimmed 44% 29,925 $5.78K
Dorman Products Inc 0.4% Added 13% 45,938 $5.63K
Caterpillar Inc 0.4% Added 0.5% 6,804 $5.52K
Jfrog Ltd 0.4% Trimmed 16% 56,431 $5.48K
General Electric Co 0.4% Added 0.4% 17,519 $5.47K
Abbvie Inc 0.4% Added 0.2% 20,845 $5.45K
Magnite Inc 0.4% Trimmed 32% 213,055 $5.38K
Servicenow Inc 0.4% Added 0.4% 39,006 $5.23K
Atricure Inc 0.3% Added 114% 90,742 $5.1K
Aaon Inc 0.3% Added 65% 60,067 $4.97K
Verizon Communications Inc 0.3% Trimmed 0.1% 108,212 $4.96K
Porch Group Inc 0.3% Trimmed 29% 292,177 $4.87K
U-haul Holding Co 0.3% Trimmed 13% 91,376 $4.83K
Arhaus Inc 0.3% Added 18% 506,513 $4.8K
Siriuspoint Ltd 0.3% Added 3.9% 196,929 $4.78K
IB Ishares Broad Usd Investment G 0.3% Trimmed 50% 96,651 $4.71K
CI Ccc Intelligent Solutions Hold 0.3% Added 42% 699,210 $4.66K

Showing top 60 of 1445 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 22, 2026

Company Action Shares changed Value of change % of portfolio
Powell Industries Inc Exited −8,857 −$2.54M —
Anterix Inc Exited −20,805 −$2.14M —
Adapthealth Corp Exited −202,040 −$2.11M —
TC Timken Co/the Exited −13,725 −$2M —
AC Albertsons Cos Inc Exited −130,726 −$1.77M —
Blackline Inc Exited −50,093 −$1.41M —
O Oneok Inc Exited −15,454 −$1.34M —
Mayville Engineering Co Inc Exited −28,625 −$1.07M —
Dt Midstream Inc Exited −6,991 −$1.03M —
Penn Entertainment Inc Exited −46,486 −$993K —

Showing the 10 largest of 1512 changes.

Q2 2026

quarter ended June 30, 2026 · filed August 07, 2026

Company Action Shares changed Value of change % of portfolio
SS State Street SPDR Portfolio S& Added +201,212 +$17.7M 1.9%
IM Ishares Msci Usa Min Vol Facto Trimmed −159,802 −$14.5M —
IR Ishares Russell 2500 ETF Added +147,242 +$13.5M 0.9%
Kla Corp Added +39,639 +$12M 0.9%
IB Ishares Broad Usd Investment G Added +187,209 +$9.6M 0.7%
Digital Turbine Inc Trimmed −586,513 −$7.57M 0.4%
VF Vanguard Ftse Europe ETF New +82,949 +$7.34M 0.5%
SS State Street Technology Select Trimmed −36,918 −$7.03M 0.6%
Silicon Motion Technology Corp Trimmed −21,029 −$7.01M 1.0%
SS State Street Consumer Staples Trimmed −58,140 −$4.83M 0.5%

Showing the 10 largest of 1089 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 28, 2026

Company Action Shares changed Value of change % of portfolio
Amazon.com Inc New +111,925 +$23.3M 1.9%
SS State Street SPDR Portfolio S& Trimmed −229,068 −$17.5M 0.7%
IM Ishares Msci Usa Min Vol Facto New +159,813 +$14.8M 1.2%
HD Home Depot Inc/the Exited −38,559 −$13.3M —
SS State Street Consumer Staples New +154,199 +$12.6M 1.0%
Cisco Systems Inc New +137,651 +$10.7M 0.9%
IC Ishares Core Msci Emerging Mar Trimmed −153,083 −$10.7M 2.5%
Alphabet Inc Trimmed −36,084 −$10.4M 1.7%
IC Ishares Core Msci Eafe ETF Trimmed −107,700 −$9.75M 1.0%
Visa Inc Exited −24,592 −$8.63M —

Showing the 10 largest of 1526 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 20, 2026

Company Action Shares changed Value of change % of portfolio
IC Ishares Core S&P 500 ETF Trimmed −70,982 −$48.6M 0.1%
IC Ishares Core Msci Emerging Mar New +601,507 +$40.4M 3.1%
IM Ishares Msci Emerging Markets Exited −719,643 −$38.4M —
IM Ishares Msci Eafe ETF Exited −302,840 −$28.3M —
SS State Street SPDR Portfolio S& Added +339,735 +$27.3M 2.1%
IC Ishares Core Msci Eafe ETF New +239,774 +$21.5M 1.7%
IN Invesco Nasdaq 100 ETF New +49,050 +$12.4M 1.0%
SS State Street Technology Select New +71,887 +$10.4M 0.8%
FF Franklin Ftse Japan ETF New +293,546 +$10.1M 0.8%
IM Ishares Msci Japan ETF Exited −106,707 −$8.56M —

Showing the 10 largest of 1383 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 15, 2025

Company Action Shares changed Value of change % of portfolio
IM Ishares Msci Emerging Markets Added +592,038 +$31.6M 3.0%
Comfort Systems Usa Inc Trimmed −34,799 −$28.7M 0.6%
Stonex Group Inc Trimmed −270,715 −$27.3M 0.7%
IM Ishares Msci Eafe ETF Added +281,940 +$26.3M 2.2%
Radnet Inc Trimmed −304,051 −$23.2M 0.7%
Laureate Education Inc Trimmed −656,569 −$20.7M 0.6%
Ftai Aviation Ltd Trimmed −115,003 −$19.2M 0.5%
Semtech Corp Trimmed −259,274 −$18.5M 0.2%
Modine Manufacturing Co Trimmed −126,761 −$18M 0.6%
F5 Inc Trimmed −51,177 −$16.5M 0.4%

Showing the 10 largest of 1473 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 09, 2025

Company Action Shares changed Value of change % of portfolio
IC Ishares Core S&P 500 ETF Added +33,421 +$20.8M 2.0%
Digital Turbine Inc New +2,039,091 +$12M 0.5%
TS Technology Select Sector SPDR Exited −46,150 −$9.53M —
Capital Southwest Corp Exited −403,826 −$9.01M —
LG Lions Gate Entertainment Corp Exited −995,570 −$8.81M —
Dun & Bradstreet Holdings Inc Exited −920,077 −$8.23M —
PU Proshares Ultra S&P500 Exited −94,800 −$7.85M —
Lendingtree Inc New +197,929 +$7.34M 0.3%
Silicon Motion Technology Corp Added +80,208 +$6.03M 0.6%
IQ Invesco Qqq Trust Series 1 Exited −12,251 −$5.75M —

Showing the 10 largest of 1400 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 14, 2025

Company Action Shares changed Value of change % of portfolio
IC Ishares Core S&P 500 ETF Added +42,019 +$23.6M 1.1%
Amazon.com Inc Exited −100,273 −$22M —
Avid Bioservices Inc Exited −1,124,351 −$13.9M —
HD Home Depot Inc/the New +37,806 +$13.9M 0.6%
Alphabet Inc Exited −70,699 −$13.5M —
IR Ishares Russell 2500 ETF New +202,985 +$12.7M 0.6%
AP Artisan Partners Asset Managem Added +253,438 +$9.91M 0.5%
Nvidia Corp Trimmed −88,240 −$9.56M 0.7%
TS Technology Select Sector SPDR Added +45,850 +$9.47M 0.4%
Evolent Health Inc Exited −803,211 −$9.04M —

Showing the 10 largest of 1550 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 10, 2025

Company Action Shares changed Value of change % of portfolio
Treehouse Foods Inc Exited −304,969 −$12.8M —
MI Mks Instruments Inc New +115,507 +$12.1M 0.5%
Ftai Aviation Ltd Added +69,260 +$9.98M 0.7%
Chart Industries Inc Trimmed −45,778 −$8.74M 0.3%
Rapid7 Inc Added +208,501 +$8.39M 0.5%
Tenable Holdings Inc Added +201,360 +$7.93M 0.4%
Avnet Inc Added +148,588 +$7.77M 0.5%
Universal Technical Institute Added +295,408 +$7.6M 0.4%
EB Elf Beauty Inc Added +58,705 +$7.37M 0.4%
Oaktree Specialty Lending Corp Exited −408,612 −$6.66M —

Showing the 10 largest of 1365 changes.

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