RhumbLine Advisers’s Y-mAbs Therapeutics YMAB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-68,399
Closed -$308K 4193
2025
Q2
$308K Buy
68,399
+14,490
+27% +$65.1K ﹤0.01% 2969
2025
Q1
$239K Buy
53,909
+2,457
+5% +$14.3K ﹤0.01% 3019
2024
Q4
$403K Sell
51,452
-863
-2% -$10.5K ﹤0.01% 2806
2024
Q3
$688K Sell
52,315
-2,053
-4% -$26K ﹤0.01% 2494
2024
Q2
$657K Sell
54,368
-856
-2% -$11.6K ﹤0.01% 2474
2024
Q1
$898K Buy
55,224
+1,211
+2% +$16.3K ﹤0.01% 2309
2023
Q4
$368K Sell
54,013
-874
-2% -$5.05K ﹤0.01% 2845
2023
Q3
$299K Buy
54,887
+2,098
+4% +$12.2K ﹤0.01% 2937
2023
Q2
$358K Buy
52,789
+4,155
+9% +$31.1K ﹤0.01% 2893
2023
Q1
$244K Sell
48,634
-115
-0.2% -$470 ﹤0.01% 2684
2022
Q4
$238K Buy
48,749
+1,944
+4% +$14.1K ﹤0.01% 2746
2022
Q3
$675K Buy
46,805
+3,294
+8% +$54.5K ﹤0.01% 2356
2022
Q2
$658K Buy
43,511
+7,419
+21% +$86.6K ﹤0.01% 2343
2022
Q1
$429K Sell
36,092
-325
-0.9% -$3.34K ﹤0.01% 2489
2021
Q4
$590K Sell
36,417
-605
-2% -$12.9K ﹤0.01% 2447
2021
Q3
$1.06M Buy
37,022
+2,001
+6% +$63.1K ﹤0.01% 2206
2021
Q2
$1.18M Sell
35,021
-675
-2% -$21.7K ﹤0.01% 2168
2021
Q1
$1.08M Sell
35,696
-2,800
-7% -$115K ﹤0.01% 2158
2020
Q4
$1.91M Buy
38,496
+1,941
+5% +$89.8K ﹤0.01% 1871
2020
Q3
$1.4M Sell
36,555
-5,320
-13% -$212K ﹤0.01% 1860
2020
Q2
$1.81M Buy
41,875
+13,827
+49% +$523K ﹤0.01% 1786
2020
Q1
$732K Buy
28,048
+826
+3% +$24K ﹤0.01% 2014
2019
Q4
$851K Buy
27,222
+5,169
+23% +$153K ﹤0.01% 2153
2019
Q3
$575K Buy
22,053
+616
+3% +$15.7K ﹤0.01% 2263
2019
Q2
$490K Buy
+21,437
New +$492K ﹤0.01% 2367

Other funds holding YMAB

RhumbLine Advisers's YMAB Position: Q3 2025 in Review

RhumbLine Advisers sold out of Y-mAbs Therapeutics (YMAB) in Q3 2025, closing a stake of 68,399 shares — an estimated $308K sold.

RhumbLine Advisers first reported a position in YMAB in Q2 2019 and held it in 25 quarters. The position peaked at $1.91M in Q4 2020. 2 funds tracked by Wall St. Rank hold YMAB as of Q3 2025.

  • RhumbLine Advisers reported no remaining Y-mAbs Therapeutics position as of Q3 2025 after selling out during the quarter.
  • RhumbLine Advisers sold 68,399 Y-mAbs Therapeutics shares in Q3 2025, an estimated $308K.
  • RhumbLine Advisers first reported a position in Y-mAbs Therapeutics in Q2 2019 and held it in 25 quarters.
  • RhumbLine Advisers's Y-mAbs Therapeutics position peaked at $1.91M in Q4 2020.
  • 2 funds tracked by Wall St. Rank held Y-mAbs Therapeutics as of Q3 2025.

Based on RhumbLine Advisers's 13F filing for Q3 2025, filed 6 Nov 2025.