OABI · Insider trading · 13F holders · Congress trades
Omniab Inc Com (OABI)
Who is buying and selling OABI: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 5
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
OABI at a glance
- No open-market insider purchases or sales of OABI were filed in the last 90 days.
- 5 13F filers hold OABI among their 50 largest positions, worth $39.5M combined. The biggest bets by portfolio weight are Whitefort Capital Management, LP (6.4%), Towerview LLC (1.9%) and TLS Advisors LLC (1.6%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in OABI.
OABI insider trading
No open-market insider purchases or sales of OABI were filed in the last 90 days.
Who owns OABI? Hedge funds and superinvestors
5 13F filers hold OABI among their 50 largest positions, worth $39.5M combined. The biggest bets by portfolio weight are Whitefort Capital Management, LP (6.4%), Towerview LLC (1.9%) and TLS Advisors LLC (1.6%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Whitefort Capital Management, LPHedge fund | 6.4% | $25.2M | 10,248,658 | -27.9% shares | Q2 2026 |
| Cadian Capital Management, LPHedge fund | 0.8% | $10.4M | 4,211,821 | +1.3% shares | Q2 2026 |
| Towerview LLCInvestment manager | 1.9% | $2.9M | 1,180,000 | +18.0% shares | Q2 2026 |
| TLS Advisors LLCHedge fund | 1.6% | $543K | 220,685 | -11.8% shares | Q2 2026 |
| Arbiter Partners Capital Management LLCHedge fund | 0.3% | $474K | 192,585 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 5). Screen OABI in the grand portfolio →
OABI stock trades by members of Congress
No member of Congress has disclosed a trade in OABI.
OABI questions and answers
Are insiders buying OABI stock?
No open-market insider purchases or sales of OABI were filed in the last 90 days.
Which hedge funds own OABI?
5 13F filers hold OABI among their 50 largest positions, worth $39.5M combined. The biggest bets by portfolio weight are Whitefort Capital Management, LP (6.4%), Towerview LLC (1.9%) and TLS Advisors LLC (1.6%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded OABI?
No member of Congress has disclosed a trade in OABI.
Who is the largest holder of OABI?
Among 13F filers, Whitefort Capital Management, LP reports the largest OABI position, $25.2M (10,248,658 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Whitefort Capital Management, LP's: 6.4% of its portfolio.
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