Simplex Trading
OSG

Simplex Trading’s Octave Specialty Group OSG Stock Holding History

Simplex Trading’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 		– Sell
-9,458
Closed -$44K – 9210
2026
Q1 		$44K Sell
9,458
-1,153
-11% -$6.6K ﹤0.01% 6015
2025
Q4 		$82.6K Sell
10,611
-10,267
-49% -$87.7K ﹤0.01% 5189
2025
Q3 		$174K Sell
20,878
-10,341
-33% -$87.4K ﹤0.01% 5105
2025
Q2 		$221K Sell
31,219
-99,452
-76% -$741K ﹤0.01% 4400
2025
Q1 		$1.14M Buy
+130,671
New +$1.38M ﹤0.01% 2576
2024
Q4 		– Sell
-52,673
Closed -$590K – 8417
2024
Q3 		$590K Sell
52,673
-19,781
-27% -$231K ﹤0.01% 3420
2024
Q2 		$928K Sell
72,454
-207,271
-74% -$3.16M ﹤0.01% 2987
2024
Q1 		$4.37M Sell
279,725
-53,636
-16% -$846K ﹤0.01% 1716
2023
Q4 		$5.49M Buy
333,361
+319,769
+2,353% +$4.45M ﹤0.01% 1472
2023
Q3 		$163K Sell
13,592
-70,393
-84% -$946K ﹤0.01% 4566
2023
Q2 		$1.2M Sell
83,985
-37,620
-31% -$551K ﹤0.01% 2435
2023
Q1 		$1.88M Buy
121,605
+106,206
+690% +$1.72M ﹤0.01% 1993
2022
Q4 		$268K Sell
15,399
-82,455
-84% -$1.22M ﹤0.01% 3875
2022
Q3 		$1.25M Buy
97,854
+30,525
+45% +$407K ﹤0.01% 2397
2022
Q2 		$764K Buy
67,329
+60,844
+938% +$578K ﹤0.01% 2936
2022
Q1 		$67K Sell
6,485
-96,369
-94% -$1.31M ﹤0.01% 6703
2021
Q4 		$1.65M Buy
102,854
+101,894
+10,614% +$1.6M ﹤0.01% 2241
2021
Q3 		$15K Hold
960
– – ﹤0.01% 8650
2021
Q2 		$15K Sell
960
-13,557
-93% -$218K ﹤0.01% 8808
2021
Q1 		$243K Sell
14,517
-8,249
-36% -$135K ﹤0.01% 4443
2020
Q4 		$350K Sell
22,766
-6,488
-22% -$95.6K ﹤0.01% 3875
2020
Q3 		$373K Buy
29,254
+13,844
+90% +$178K ﹤0.01% 3349
2020
Q2 		$220K Buy
+15,410
New +$225K ﹤0.01% 3888
2020
Q1 		– Sell
-16,214
Closed -$349K – 7521
2019
Q4 		$349K Buy
16,214
+8,482
+110% +$174K ﹤0.01% 3113
2019
Q3 		$151K Sell
7,732
-14,639
-65% -$269K ﹤0.01% 3861
2019
Q2 		$376K Buy
22,371
+18,168
+432% +$310K ﹤0.01% 2853
2019
Q1 		$76K Sell
4,203
-21,381
-84% -$408K ﹤0.01% 4616
2018
Q4 		$441K Sell
25,584
-34,614
-58% -$635K ﹤0.01% 2348
2018
Q3 		$1.23M Buy
60,198
+57,146
+1,872% +$1.19M ﹤0.01% 1684
2018
Q2 		$60K Sell
3,052
-25,578
-89% -$472K ﹤0.01% 4843
2018
Q1 		$448K Buy
28,630
+2,091
+8% +$32.3K 0.02% 768
2017
Q4 		$424K Buy
+26,539
New +$408K 0.02% 803
2017
Q3 		– Sell
-8,982
Closed -$155K – 5816
2017
Q2 		$155K Sell
8,982
-18,561
-67% -$330K 0.01% 1395
2017
Q1 		$519K Sell
27,543
-9,027
-25% -$190K 0.02% 654
2016
Q4 		$822K Buy
+36,570
New +$799K 0.05% 326
2016
Q2 		– Sell
-650
Closed -$10K – 5740
2016
Q1 		$10K Sell
650
-18,127
-97% -$262K ﹤0.01% 3434
2015
Q4 		$264K Buy
18,777
+2,583
+16% +$39.7K 0.02% 706
2015
Q3 		$234K Buy
16,194
+14,367
+786% +$233K 0.02% 818
2015
Q2 		$30K Buy
+1,827
New +$43.1K ﹤0.01% 2088

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

Simplex Trading's OSG Position: Q2 2026 in Review

Simplex Trading sold out of Octave Specialty Group (OSG) in Q2 2026, closing a stake of 9,458 shares — an estimated $44K sold.

Simplex Trading first reported a position in OSG in Q2 2015 and held it in 39 quarters. The position peaked at $5.49M in Q4 2023. 148 funds tracked by Wall St. Rank hold OSG as of Q2 2026.

  • Simplex Trading reported no remaining Octave Specialty Group position as of Q2 2026 after selling out during the quarter.
  • Simplex Trading sold 9,458 Octave Specialty Group shares in Q2 2026, an estimated $44K.
  • Simplex Trading first reported a position in Octave Specialty Group in Q2 2015 and held it in 39 quarters.
  • Simplex Trading's Octave Specialty Group position peaked at $5.49M in Q4 2023.
  • 148 funds tracked by Wall St. Rank held Octave Specialty Group as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.