BlackRock’s Koss Corp KOSS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$381K Buy
94,977
+5,376
+6% +$21.7K ﹤0.01% 4648
2026
Q1
$321K Buy
89,601
+1,196
+1% +$5.05K ﹤0.01% 4634
2025
Q4
$366K Buy
88,405
+552
+0.6% +$2.65K ﹤0.01% 4569
2025
Q3
$446K Buy
87,853
+313
+0.4% +$1.77K ﹤0.01% 4480
2025
Q2
$446K Buy
87,540
+12,774
+17% +$64.5K ﹤0.01% 4474
2025
Q1
$353K Sell
74,766
-740
-1% -$4.46K ﹤0.01% 4479
2024
Q4
$557K Buy
75,506
+23,443
+45% +$172K ﹤0.01% 4383
2024
Q3
$385K Hold
52,063
﹤0.01% 4391
2024
Q2
$232K Sell
52,063
-9,828
-16% -$35.8K ﹤0.01% 4518
2024
Q1
$159K Sell
61,891
-641
-1% -$1.78K ﹤0.01% 4640
2023
Q4
$209K Sell
62,532
-120
-0.2% -$365 ﹤0.01% 4627
2023
Q3
$186K Sell
62,652
-544
-0.9% -$1.99K ﹤0.01% 4702
2023
Q2
$234K Sell
63,196
-427
-0.7% -$1.72K ﹤0.01% 4694
2023
Q1
$294K Buy
63,623
+2,159
+4% +$11.3K ﹤0.01% 4680
2022
Q4
$304K Buy
61,464
+200
+0.3% +$1.23K ﹤0.01% 4738
2022
Q3
$389K Sell
61,264
-756
-1% -$5.91K ﹤0.01% 4798
2022
Q2
$431K Sell
62,020
-174
-0.3% -$1.21K ﹤0.01% 4815
2022
Q1
$570K Buy
62,194
+592
+1% +$5.04K ﹤0.01% 4838
2021
Q4
$658K Buy
61,602
+5,766
+10% +$85.6K ﹤0.01% 4796
2021
Q3
$913K Buy
55,836
+309
+0.6% +$5.7K ﹤0.01% 4584
2021
Q2
$1.29M Buy
55,527
+55,526
+5,552,600% +$1.19M ﹤0.01% 4437
2021
Q1
$0 Sell
1
-8,842
-100% -$156K ﹤0.01% 5314
2020
Q4
$30K Hold
8,843
﹤0.01% 4731
2020
Q3
$19K Hold
8,843
﹤0.01% 4722
2020
Q2
$12K Hold
8,843
﹤0.01% 4761
2020
Q1
$8K Hold
8,843
﹤0.01% 4730
2019
Q4
$14K Hold
8,843
﹤0.01% 4706
2019
Q3
$18K Hold
8,843
﹤0.01% 4655
2019
Q2
$18K Hold
8,843
﹤0.01% 4702
2019
Q1
$18K Hold
8,843
﹤0.01% 4612
2018
Q4
$17K Hold
8,843
﹤0.01% 4604
2018
Q3
$25K Hold
8,843
﹤0.01% 4631
2018
Q2
$21K Hold
8,843
﹤0.01% 4669
2018
Q1
$16K Hold
8,843
﹤0.01% 4595
2017
Q4
$27K Hold
8,843
﹤0.01% 4516
2017
Q3
$13K Hold
8,843
﹤0.01% 4651
2017
Q2
$16K Sell
8,843
-530
-6% -$1.03K ﹤0.01% 4683
2017
Q1
$20K Buy
+9,373
New +$21.4K ﹤0.01% 4620

Other funds holding KOSS

BlackRock's KOSS Position: Q2 2026 in Review

BlackRock increased its Koss Corp (KOSS) stake by 6% in Q2 2026, buying an estimated $21.7K and bringing the position to 94,977 shares worth $381K. The position accounts for ﹤0.01% of the portfolio, ranked #4648.

BlackRock first reported a position in KOSS in Q1 2017 and has held it in 38 quarters since. The position peaked at $1.29M in Q2 2021. 23 funds tracked by Wall St. Rank hold KOSS as of Q2 2026.

  • BlackRock held 94,977 shares of Koss Corp worth $381K as of Q2 2026.
  • BlackRock bought 5,376 Koss Corp shares in Q2 2026, an estimated $21.7K.
  • Koss Corp made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #4648 holding.
  • BlackRock first reported a position in Koss Corp in Q1 2017 and has held it in 38 quarters since.
  • BlackRock's Koss Corp position peaked at $1.29M in Q2 2021.
  • 23 funds tracked by Wall St. Rank held Koss Corp as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.