Harbor Advisors’s Blackrock BLK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$3.77M Hold
3,924
0.47% 24
2026
Q1
$3.77M Hold
3,924
0.55% 24
2025
Q4
$4.2M Hold
3,924
0.63% 22
2025
Q3
$4.57M Hold
3,924
0.71% 22
2025
Q2
$4.12M Hold
3,924
0.67% 22
2025
Q1
$3.71M Hold
3,924
0.64% 22
2024
Q4
$4.02M Buy
+3,924
New +$3.98M 0.63% 23
2024
Q3
Sell
-3,924
Closed -$3.09M 190
2024
Q2
$3.09M Hold
3,924
0.57% 29
2024
Q1
$3.27M Hold
3,924
0.6% 23
2023
Q4
$3.19M Hold
3,924
0.61% 23
2023
Q3
$2.54M Hold
3,924
0.54% 27
2023
Q2
$2.71M Hold
3,924
0.58% 28
2023
Q1
$2.63M Hold
3,924
0.61% 25
2022
Q4
$2.78M Hold
3,924
0.69% 22
2022
Q3
$2.16M Hold
3,924
0.58% 23
2022
Q2
$2.39M Hold
3,924
0.58% 24
2022
Q1
$3M Hold
3,924
0.61% 21
2021
Q4
$3.59M Hold
3,924
0.67% 21
2021
Q3
$3.29M Hold
3,924
0.66% 21
2021
Q2
$3.43M Hold
3,924
0.68% 20
2021
Q1
$2.96M Hold
3,924
0.66% 20
2020
Q4
$2.83M Hold
3,924
0.63% 20
2020
Q3
$2.21M Hold
3,924
0.52% 26
2020
Q2
$2.13M Hold
3,924
0.55% 23
2020
Q1
$1.73M Sell
3,924
-1,000
-20% -$493K 0.52% 23
2019
Q4
$2.48M Hold
4,924
0.67% 16
2019
Q3
$2.19M Hold
4,924
0.63% 17
2019
Q2
$2.31M Hold
4,924
0.69% 18
2019
Q1
$2.1M Hold
4,924
0.68% 20
2018
Q4
$1.93M Hold
4,924
0.75% 17
2018
Q3
$2.32M Hold
4,924
0.72% 17
2018
Q2
$2.46M Hold
4,924
0.79% 18
2018
Q1
$2.67M Buy
4,924
+1,000
+25% +$549K 0.9% 15
2017
Q4
$2.02M Hold
3,924
0.68% 21
2017
Q3
$1.75M Hold
3,924
0.64% 21
2017
Q2
$1.66M Hold
3,924
0.66% 19
2017
Q1
$1.5M Hold
3,924
0.64% 20
2016
Q4
$1.49M Buy
+3,924
New +$1.44M 0.72% 16

Other funds holding BLK

Harbor Advisors's BLK Position: Q2 2026 in Review

Harbor Advisors held its Blackrock (BLK) position steady in Q2 2026 at 3,924 shares worth $3.77M. The position accounts for 0.47% of the portfolio, ranked #24.

Harbor Advisors first reported a position in BLK in Q4 2016 and has held it in 38 quarters since. The position peaked at $4.57M in Q3 2025. 2,322 funds tracked by Wall St. Rank hold BLK as of Q2 2026.

  • Harbor Advisors held 3,924 shares of Blackrock worth $3.77M as of Q2 2026.
  • Harbor Advisors left its Blackrock share count unchanged in Q2 2026.
  • Blackrock made up 0.47% of Harbor Advisors's portfolio in Q2 2026, its #24 holding.
  • Harbor Advisors first reported a position in Blackrock in Q4 2016 and has held it in 38 quarters since.
  • Harbor Advisors's Blackrock position peaked at $4.57M in Q3 2025.
  • 2,322 funds tracked by Wall St. Rank held Blackrock as of Q2 2026.

Based on Harbor Advisors's 13F filing for Q2 2026, filed 28 Jul 2026.