Dark Forest Capital Management’s Oceaneering OII Stock Holding History

Dark Forest Capital Management’s Portfolio OII Stock Details OII Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-8,127	Closed	-$201K	–	1236
2025 Q3	$201K	Sell	8,127 -75,548	-90%	-$1.73M	0.01%	1083
2025 Q2	$1.73M	Buy	83,675 +3,153	+4%	+$60.8K	0.07%	511
2025 Q1	$1.76M	Buy	+80,522	New	+$1.91M	0.08%	435
2023 Q4	–	Sell	-95,797	Closed	-$2.46M	–	914
2023 Q3	$2.46M	Buy	95,797 +71,741	+298%	+$1.64M	0.19%	76
2023 Q2	$450K	Buy	24,056 +16,389	+214%	+$282K	0.04%	668
2023 Q1	$135K	Buy	7,667 +6,451	+531%	+$124K	0.03%	559
2022 Q4	$21.3K	Buy	+1,216	New	+$16.2K	0.01%	569
2022 Q3	–	Sell	-1,662	Closed	-$18K	–	1354
2022 Q2	$18K	Sell	1,662 -3,363	-67%	-$41.4K	﹤0.01%	479
2022 Q1	$76K	Buy	+5,025	New	+$72.3K	0.02%	540

Other funds holding OII

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

MSIIA

Morgan Stanley Institutional Investment Advisors Greenwood Village, Colorado $1.04B AUM 22.76% 1-Year Est. Return

EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Greenhouse Funds Baltimore, Maryland $2.23B AUM 12.38% 1-Year Est. Return

Dark Forest Capital Management's OII Position: Q4 2025 in Review

Dark Forest Capital Management sold out of Oceaneering (OII) in Q4 2025, closing a stake of 8,127 shares — an estimated $201K sold.

Dark Forest Capital Management first reported a position in OII in Q1 2022 and held it in 9 quarters. The position peaked at $2.46M in Q3 2023. 313 funds tracked by Wall St. Rank hold OII as of Q4 2025.

Dark Forest Capital Management reported no remaining Oceaneering position as of Q4 2025 after selling out during the quarter.
Dark Forest Capital Management sold 8,127 Oceaneering shares in Q4 2025, an estimated $201K.
Dark Forest Capital Management first reported a position in Oceaneering in Q1 2022 and held it in 9 quarters.
Dark Forest Capital Management's Oceaneering position peaked at $2.46M in Q3 2023.
313 funds tracked by Wall St. Rank held Oceaneering as of Q4 2025.

Based on Dark Forest Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.