AI Portfolio Summary
In 2025 Q4, Harbor Advisors LLC maintained a portfolio of 203 distinct positions. They heavily accumulated shares in META PLATFORMS INC, increasing their position by 7.8%. The fund also reduced its exposure to AMAZON COM INC by 1.0%.
Total Positions
203
Quarter
2025 Q4
Top Holding
EQIX (29.1%)
Top 10 Concentration
63.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 203
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
EQIX
EQUINIX INC
|
Real Estate | 29.09% | 30.54% |
#1
Prev: #1
|
7.0 | no change | no change |
P
S
|
252,790 | $193,677,586 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 7.31% | 5.83% |
#2
Prev: #2
|
5.4 | no change | no change |
P
S
|
155,600 | $48,702,800 | 2017 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AAPL
APPLE INC
|
Technology | 6.06% | 5.83% |
#3
Prev: #3
|
4.4 | no change | no change |
P
S
|
148,400 | $40,344,024 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AMZN
AMAZON COM INC
|
Consumer Cyclical | 5.31% | 5.24% |
#4
Prev: #4
|
3.1 | -1,500 | -1.0% |
P
S
|
153,200 | $35,361,624 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 5.04% | 5.18% |
#5
Prev: #5
|
3.5 | no change | no change |
P
S
|
180,000 | $33,570,000 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CNQ
CANADIAN NAT RE...
|
Energy | 2.54% | 2.46% |
#6
Prev: #6
|
2.0 | no change | no change |
P
S
|
499,800 | $16,918,230 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MA
MASTERCARD INCO...
|
Financial Services | 2.23% | 2.28% |
#7
Prev: #7
|
1.9 | no change | no change |
P
S
|
26,000 | $14,842,880 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MU
MICRON TECHNOLO...
|
Technology | 2.08% | 1.25% |
#8
5
Prev: #13
|
1.8 | no change | no change |
P
S
|
48,500 | $13,842,385 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MSFT
MICROSOFT CORP
|
Technology | 1.89% | 2.08% |
#9
1
Prev: #8
|
1.8 | no change | no change |
P
S
|
26,000 | $12,574,120 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
IBKR
INTERACTIVE BRO...
|
Financial Services | 1.80% | 1.98% |
#10
1
Prev: #9
|
1.7 | no change | no change |
P
S
|
186,832 | $12,015,166 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FTAI
FTAI AVIATION L...
|
Industrials | 1.69% | 1.47% |
#11
1
Prev: #10
|
1.7 | no change | no change |
P
S
|
57,000 | $11,220,450 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FERG
FERGUSON ENTERP...
|
Industrials | 1.38% | 1.43% |
#12
Prev: #12
|
1.6 | no change | no change |
P
S
|
41,255 | $9,184,601 | 2024 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
META
META PLATFORMS ...
|
Communication Services | 1.37% | 1.45% |
#13
2
Prev: #11
|
2.5 | 1,000 | 7.8% |
P
S
|
13,800 | $9,109,242 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
JPM
JPMORGAN CHASE ...
|
Financial Services | 1.17% | 1.17% |
#14
Prev: #14
|
1.5 | no change | no change |
P
S
|
24,148 | $7,780,969 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NTB
BANK OF NT BUTT...
|
Financial Services | 1.16% | 1.03% |
#15
1
Prev: #16
|
1.5 | no change | no change |
P
S
|
155,408 | $7,742,427 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
SPGI
S&P GLOBAL INC
|
Financial Services | 1.07% | 1.03% |
#16
1
Prev: #17
|
1.4 | no change | no change |
P
S
|
13,667 | $7,142,238 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PJT
PJT PARTNERS IN...
|
Financial Services | 1.04% | 1.14% |
#17
2
Prev: #15
|
1.4 | no change | no change |
P
S
|
41,519 | $6,941,977 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GOOG
ALPHABET INC
|
Communication Services | 0.94% | 0.75% |
#18
3
Prev: #21
|
1.4 | no change | no change |
P
S
|
20,000 | $6,276,000 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EVR
EVERCORE INC
|
Financial Services | 0.77% | 0.78% |
#19
Prev: #19
|
1.3 | no change | no change |
P
S
|
15,000 | $5,103,750 | 2017 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NUE
NUCOR CORP
|
Basic Materials | 0.69% | 0.58% |
#20
6
Prev: #26
|
1.3 | no change | no change |
P
S
|
27,992 | $4,565,775 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HLI
HOULIHAN LOKEY ...
|
Financial Services | 0.65% | 0.79% |
#21
3
Prev: #18
|
1.3 | no change | no change |
P
S
|
25,000 | $4,354,750 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BLK
BLACKROCK INC
|
Financial Services | 0.63% | 0.71% |
#22
Prev: #22
|
1.3 | no change | no change |
P
S
|
3,924 | $4,200,014 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
TMUS
T-MOBILE US INC
|
Communication Services | 0.63% | 0.76% |
#23
3
Prev: #20
|
1.3 | no change | no change |
P
S
|
20,650 | $4,192,776 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MCO
MOODYS CORP
|
Financial Services | 0.61% | 0.59% |
#24
1
Prev: #25
|
1.2 | no change | no change |
P
S
|
8,000 | $4,086,800 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DLR
DIGITAL RLTY TR...
|
Real Estate | 0.59% | 0.68% |
#25
2
Prev: #23
|
1.2 | no change | no change |
P
S
|
25,552 | $3,953,150 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WMT
WALMART INC
|
Consumer Defensive | 0.55% | 0.52% |
#26
1
Prev: #27
|
1.2 | no change | no change |
P
S
|
33,000 | $3,676,530 | 2017 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CHTR
CHARTER COMMUNI...
|
Communication Services | 0.50% | 0.68% |
#27
3
Prev: #24
|
1.2 | no change | no change |
P
S
|
15,942 | $3,327,893 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CRWD
CROWDSTRIKE HLD...
|
Technology | 0.44% | 0.47% |
#28
2
Prev: #30
|
1.2 | no change | no change |
P
S
|
6,250 | $2,929,750 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
DHR
DANAHER CORPORA...
|
Healthcare | 0.43% | 0.38% |
#29
6
Prev: #35
|
1.2 | no change | no change |
P
S
|
12,505 | $2,862,645 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MLM
MARTIN MARIETTA...
|
Basic Materials | 0.42% | 0.44% |
#30
2
Prev: #32
|
1.2 | no change | no change |
P
S
|
4,500 | $2,801,970 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EOG
EOG RES INC
|
Energy | 0.41% | 0.45% |
#31
Prev: #31
|
1.2 | no change | no change |
P
S
|
25,900 | $2,719,759 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FOX
FOX CORP
|
Communication Services | 0.40% | 0.36% |
#32
4
Prev: #36
|
1.2 | no change | no change |
P
S
|
41,265 | $2,679,401 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
EFX
EQUIFAX INC
|
Industrials | 0.39% | 0.47% |
#33
4
Prev: #29
|
1.2 | no change | no change |
P
S
|
12,000 | $2,603,760 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
MCB
METROPOLITAN BK...
|
Financial Services | 0.36% | 0.36% |
#34
3
Prev: #37
|
1.1 | no change | no change |
P
S
|
31,500 | $2,405,340 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ARES
ARES MANAGEMENT...
|
Financial Services | 0.35% | 0.36% |
#35
4
Prev: #39
|
1.1 | no change | no change |
P
S
|
14,500 | $2,343,635 | 2021 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
NBIS
NEBIUS GROUP N....
|
Communication Services | 0.35% | 0.48% |
#36
8
Prev: #28
|
1.1 | no change | no change |
P
S
|
27,600 | $2,310,258 | 2017 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
APO
APOLLO GLOBAL M...
|
Financial Services | 0.35% | 0.33% |
#37
6
Prev: #43
|
1.1 | no change | no change |
P
S
|
15,947 | $2,308,632 | 2022 Q1 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PANW
PALO ALTO NETWO...
|
Technology | 0.35% | 0.39% |
#38
4
Prev: #34
|
1.1 | no change | no change |
P
S
|
12,500 | $2,302,500 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
FBK
FB FINL CORP
|
Financial Services | 0.34% | 0.35% |
#39
1
Prev: #40
|
1.1 | no change | no change |
P
S
|
40,799 | $2,276,584 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PNC
PNC FINL SVCS G...
|
Financial Services | 0.33% | 0.32% |
#40
6
Prev: #46
|
1.1 | no change | no change |
P
S
|
10,444 | $2,179,976 | 2018 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
AJG
GALLAGHER ARTHU...
|
Financial Services | 0.33% | 0.40% |
#41
8
Prev: #33
|
1.1 | no change | no change |
P
S
|
8,375 | $2,167,366 | 2023 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
GE
GE AEROSPACE
|
Industrials | 0.32% | 0.32% |
#42
3
Prev: #45
|
1.1 | no change | no change |
P
S
|
7,000 | $2,156,210 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BX
BLACKSTONE INC
|
Financial Services | 0.32% | 0.36% |
#43
5
Prev: #38
|
1.1 | no change | no change |
P
S
|
13,700 | $2,111,718 | 2022 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
ADBE
ADOBE INC
|
Technology | 0.32% | 0.33% |
#44
Prev: #44
|
1.1 | no change | no change |
P
S
|
6,000 | $2,099,940 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HLT
HILTON WORLDWID...
|
Consumer Cyclical | 0.31% | 0.29% |
#45
7
Prev: #52
|
1.1 | no change | no change |
P
S
|
7,133 | $2,048,954 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
PLTR
PALANTIR TECHNO...
|
Technology | 0.29% | 0.31% |
#46
2
Prev: #48
|
1.1 | no change | no change |
P
S
|
11,000 | $1,955,250 | 2023 Q2 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
CVX
CHEVRON CORP NE...
|
Energy | 0.29% | 0.30% |
#47
2
Prev: #49
|
1.1 | no change | no change |
P
S
|
12,572 | $1,916,099 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
BRO
BROWN & BROWN I...
|
Financial Services | 0.29% | 0.35% |
#48
7
Prev: #41
|
1.1 | no change | no change |
P
S
|
24,000 | $1,912,800 | 2017 Q3 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
HD
HOME DEPOT INC
|
Consumer Cyclical | 0.28% | 0.34% |
#49
7
Prev: #42
|
1.1 | no change | no change |
P
S
|
5,500 | $1,892,550 | 2017 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) | |||
|
WFC
WELLS FARGO CO ...
|
Financial Services | 0.28% | 0.26% |
#50
4
Prev: #54
|
1.1 | no change | no change |
P
S
|
20,000 | $1,864,000 | 2016 Q4 | 13F Filing | 2025-12-31 | 2026-02-14 (Est.) |
Showing 1-50 of 203 holdings