90 tracked 13F filers disclose a position in OPBK as of the latest SEC 13F filings, a combined $115.2M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | DIVERSIFY WEALTH MANAGEMENT, LLC | $28.7M | 1.8M | ▲+0.6% Added · +11K sh | Q2 2026 | |
| 2 | BlackRock, Inc. | $9.9M | 745K | ▼−0.3% Reduced · −2K sh | Q1 2026 | |
| 3 | ALLIANCEBERNSTEIN L.P. | $9.2M | 650K | ▼−4.7% Reduced · −32K sh | Q1 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $8.5M | 636K | ▲+4.4% Added · +27K sh | Q1 2026 | |
| 5 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $7.5M | 567K | ▼−1.5% Reduced · −9K sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $7.4M | 559K | →First observed position No prior filed position | Q1 2026 | |
| 7 | MALTESE CAPITAL MANAGEMENT LLC | $3.6M | 269K | —Held | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $3.5M | 267K | ▼−2.9% Reduced · −8K sh | Q1 2026 | |
| 9 | Truffle Hound Capital, LLC | $3.9M | 260K | ▼−35% Reduced · −140K sh | Q2 2026 | |
| 10 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $2.5M | 189K | ▼−9.4% Reduced · −20K sh | Q1 2026 | |
| 11 | STATE STREET CORP | $2.3M | 156K | ▲+4.1% Added · +6K sh | Q2 2026 | |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $2.1M | 156K | ▲+16% Added · +22K sh | Q1 2026 | |
| 13 | Connor, Clark & Lunn Investment Management Ltd. | $2.0M | 151K | ▲+1.9% Added · +3K sh | Q1 2026 | |
| 14 | MARSHALL WACE, LLP | $1.6M | 123K | ▲+12% Added · +13K sh | Q1 2026 | |
| 15 | AMERICAN CENTURY COMPANIES INC | $1.6M | 121K | —Held | Q1 2026 | |
| 16 | RAYMOND JAMES FINANCIAL INC | $1.3M | 98K | ▼−14% Reduced · −16K sh | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $1.2M | 88K | ▲+9.1% Added · +7K sh | Q1 2026 | |
| 18 | Man Group plc | $1.1M | 86K | ▲+57% Added · +31K sh | Q1 2026 | |
| 19 | RENAISSANCE TECHNOLOGIES LLC | $1.1M | 84K | ▼−14% Reduced · −14K sh | Q1 2026 | |
| 20 | GOLDMAN SACHS GROUP INC | $1.1M | 84K | ▲+38% Added · +23K sh | Q1 2026 | |
| 21 | Squarepoint Ops LLC | $1.0M | 78K | ▲+67% Added · +31K sh | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $986K | 74K | →First observed position No prior filed position | Q1 2026 | |
| 23 | PRUDENTIAL FINANCIAL INC | $975K | 73K | ▲+14% Added · +9K sh | Q1 2026 | |
| 24 | VANGUARD PORTFOLIO MANAGEMENT LLC | $908K | 68K | →First observed position No prior filed position | Q1 2026 | |
| 25 | Empowered Funds, LLC | $833K | 63K | ▲+9.3% Added · +5K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 4 funds opened a new position in OPBK and 16 added to an existing one, while 15 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| JPMORGAN CHASE & COJPM | 38 funds | $11.9B |
| APPLE INCAAPL | 37 funds | $63.7B |
| MICROSOFT CORPMSFT | 37 funds | $61.7B |
| META PLATFORMS INC-CLASS AMETA | 37 funds | $24.6B |
| CHEVRON CORPCVX | 37 funds | $7.3B |
| BRISTOL-MYERS SQUIBB COBMY | 37 funds | $3.8B |
| NVIDIA CORPNVDA | 36 funds | $84.5B |
| AMAZON.COM INCAMZN | 36 funds | $49.3B |
| ALPHABET INC-CL CGOOG | 36 funds | $35.9B |
| ALPHABET INC-CL AGOOGL | 36 funds | $32.5B |
| TESLA INCTSLA | 36 funds | $15.3B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 36 funds | $8.9B |
Ranked by how many of OPBK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 12, 2026 | Oh Christine Yoon | Chief Operating Officer | Sell (S) | 2K | $22K |
| Jun 11, 2026 | Oh Christine Yoon | Chief Operating Officer | Sell (S) | 8K | $116K |
| Jun 10, 2026 | Oh Christine Yoon | Chief Operating Officer | Sell (S) | 12K | $172K |
| Mar 12, 2026 | Park Jaehyun | Chief Financial Officer | Sell (S) | 958 | $12K |
| May 30, 2025 | Sohn Myung Shin | Director | Buy (P) | 1K | $12K |
| May 30, 2025 | Sohn Myung Shin | Director | Buy (P) | 1K | $12K |
| Aug 15, 2024 | YOON KI WON | Chief Lending Officer | Sell (S) | 3K | $37K |
| Aug 14, 2024 | YOON KI WON | Chief Lending Officer | Sell (S) | 5K | $61K |
| Feb 6, 2024 | CHOI BRIAN | Director | Buy (P) | 5K | $49K |
| Jun 14, 2023 | SHIN YONG SIN | Director | Buy (P) | 6K | $55K |
| Jun 7, 2023 | CHOI BRIAN | Director | Buy (P) | 4K | $40K |
| Jun 6, 2023 | CHOI BRIAN | Director | Buy (P) | 510 | $4K |
Connected entities for OPBK
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/OPBK/capital-change-brief"
Use Arkolith's capital_change_brief for OPBK. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for OPBK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.