JY
OSG

Jeff Yass’s Octave Specialty Group OSG Stock Holding History

Jeff Yass’s Portfolio OSG Stock Details OSG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$853K Sell
136,692
-253,501
-65% -$1.32M ﹤0.01% 8601
2026
Q1 		$1.81M Sell
390,193
-136,395
-26% -$781K ﹤0.01% 6394
2025
Q4 		$4.1M Buy
526,588
+252,278
+92% +$2.16M ﹤0.01% 4347
2025
Q3 		$2.29M Sell
274,310
-666,273
-71% -$5.63M ﹤0.01% 5493
2025
Q2 		$6.68M Sell
940,583
-239,974
-20% -$1.79M ﹤0.01% 3465
2025
Q1 		$10.3M Buy
1,180,557
+425,592
+56% +$4.48M ﹤0.01% 2493
2024
Q4 		$9.55M Buy
754,965
+381,822
+102% +$4.6M ﹤0.01% 2724
2024
Q3 		$4.18M Sell
373,143
-257,915
-41% -$3.02M ﹤0.01% 3912
2024
Q2 		$8.09M Sell
631,058
-166,055
-21% -$2.53M ﹤0.01% 2765
2024
Q1 		$12.5M Buy
797,113
+517,001
+185% +$8.15M ﹤0.01% 2322
2023
Q4 		$4.62M Buy
280,112
+261,441
+1,400% +$3.64M ﹤0.01% 3839
2023
Q3 		$225K Sell
18,671
-248,558
-93% -$3.34M ﹤0.01% 9974
2023
Q2 		$3.81M Buy
267,229
+196,955
+280% +$2.88M ﹤0.01% 3970
2023
Q1 		$1.09M Buy
+70,274
New +$1.14M ﹤0.01% 6589
2022
Q4 		– Sell
-12,714
Closed -$189K – 12311
2022
Q3 		$162K Sell
12,714
-155,605
-92% -$2.07M ﹤0.01% 11130
2022
Q2 		$1.91M Buy
168,319
+42,354
+34% +$402K ﹤0.01% 4999
2022
Q1 		$1.31M Buy
125,965
+58,554
+87% +$794K ﹤0.01% 6459
2021
Q4 		$1.08M Buy
67,411
+10,239
+18% +$161K ﹤0.01% 7086
2021
Q3 		$819K Buy
57,172
+40,902
+251% +$584K ﹤0.01% 8072
2021
Q2 		$255K Sell
16,270
-22,490
-58% -$361K ﹤0.01% 11103
2021
Q1 		$649K Buy
38,760
+25,368
+189% +$414K ﹤0.01% 8862
2020
Q4 		$206K Buy
+13,392
New +$197K ﹤0.01% 9982
2020
Q3 		– Sell
-62,851
Closed -$810K – 10484
2020
Q2 		$900K Buy
62,851
+42,953
+216% +$628K ﹤0.01% 6156
2020
Q1 		$246K Sell
19,898
-65,316
-77% -$1.25M ﹤0.01% 8333
2019
Q4 		$1.84M Sell
85,214
-203,686
-71% -$4.18M ﹤0.01% 4462
2019
Q3 		$5.65M Buy
288,900
+161,999
+128% +$2.98M ﹤0.01% 2559
2019
Q2 		$2.14M Buy
126,901
+111,566
+728% +$1.9M ﹤0.01% 4046
2019
Q1 		$278K Sell
15,335
-123,735
-89% -$2.36M ﹤0.01% 7342
2018
Q4 		$2.4M Sell
139,070
-374,694
-73% -$6.88M ﹤0.01% 3258
2018
Q3 		$10.5M Buy
513,764
+300,954
+141% +$6.28M ﹤0.01% 1880
2018
Q2 		$4.22M Buy
212,810
+54,453
+34% +$1.01M ﹤0.01% 2933
2018
Q1 		$2.48M Sell
158,357
-121,329
-43% -$1.88M ﹤0.01% 3534
2017
Q4 		$4.47M Buy
279,686
+225,866
+420% +$3.47M ﹤0.01% 2661
2017
Q3 		$929K Sell
53,820
-104,695
-66% -$1.93M ﹤0.01% 5410
2017
Q2 		$2.75M Buy
158,515
+131,612
+489% +$2.34M ﹤0.01% 3309
2017
Q1 		$507K Sell
26,903
-83,968
-76% -$1.77M ﹤0.01% 6462
2016
Q4 		$2.5M Buy
110,871
+86,099
+348% +$1.88M ﹤0.01% 3598
2016
Q3 		$456K Sell
24,772
-24,319
-50% -$436K ﹤0.01% 6236
2016
Q2 		$808K Sell
49,091
-38,040
-44% -$610K ﹤0.01% 5272
2016
Q1 		$1.38M Sell
87,131
-608,714
-87% -$8.81M ﹤0.01% 4467
2015
Q4 		$9.8M Sell
695,845
-282,999
-29% -$4.35M ﹤0.01% 1775
2015
Q3 		$14.2M Sell
978,844
-428,844
-30% -$6.96M 0.01% 1497
2015
Q2 		$23.4M Buy
1,407,688
+1,153,339
+453% +$27.2M 0.01% 1169
2015
Q1 		$6.16M Sell
254,349
-224,503
-47% -$5.71M ﹤0.01% 2448
2014
Q4 		$11.7M Buy
478,852
+106,730
+29% +$2.49M ﹤0.01% 1859
2014
Q3 		$8.22M Buy
372,122
+90,567
+32% +$2.13M ﹤0.01% 2332
2014
Q2 		$7.69M Sell
281,555
-86,261
-23% -$2.5M ﹤0.01% 2440
2014
Q1 		$11.4M Buy
367,816
+178,966
+95% +$4.94M 0.01% 1868
2013
Q4 		$4.64M Buy
+188,850
New +$3.95M ﹤0.01% 3051

Other funds holding OSG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
WSL
Western Standard LLC Los Angeles, California $295M AUM 40.98% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PGCM
Prescott Group Capital Management Tulsa, Oklahoma $1.16B AUM 53.61% 1-Year Est. Return
TAM
Third Avenue Management New York $625M AUM 48.93% 1-Year Est. Return
BCC
Bain Capital Credit Boston, Massachusetts $368M AUM 9.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Jeff Yass's OSG Position: Q2 2026 in Review

Jeff Yass reduced its Octave Specialty Group (OSG) stake by 65% in Q2 2026, selling an estimated $1.32M and leaving 136,692 shares worth $853K. The position accounts for ﹤0.01% of the portfolio, ranked #8601.

Jeff Yass first reported a position in OSG in Q4 2013 and has held it in 49 quarters since. The position peaked at $23.4M in Q2 2015. 148 funds tracked by Wall St. Rank hold OSG as of Q2 2026.

  • Jeff Yass held 136,692 shares of Octave Specialty Group worth $853K as of Q2 2026.
  • Jeff Yass sold 253,501 Octave Specialty Group shares in Q2 2026, an estimated $1.32M.
  • Octave Specialty Group made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #8601 holding.
  • Jeff Yass first reported a position in Octave Specialty Group in Q4 2013 and has held it in 49 quarters since.
  • Jeff Yass's Octave Specialty Group position peaked at $23.4M in Q2 2015.
  • 148 funds tracked by Wall St. Rank held Octave Specialty Group as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.