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Jim Simons's OmniAb, Inc. (OABI) position

Yes: as of Q1 2026, Jim Simons holds 270K shares of OABI worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 11.1%. First disclosed Q2 2023.
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Current value
an amount we cannot price
Shares held
270K
% of portfolio
0.0%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

OABI price vs Simons's position

Dates
$2$2.05$2.1$2.15← Earlier —4 purchases, 4 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +27K +11.1% 270K May 14, 2026
Q4 2025 Reduced −281K −53.6% 243K Feb 12, 2026
Q3 2025 Reduced −184K −26.0% 523K Nov 13, 2025
Q2 2025 Added +681K +2,560.0% 708K Aug 13, 2025
Q1 2025 New +27K 27K May 14, 2025
Q4 2023 Reduced −39K −48.8% 41K Feb 13, 2024
Q3 2023 Reduced −60K −42.8% 80K Nov 14, 2023
Q2 2023 New +140K 140K Aug 11, 2023
Data through Q1 2026 · filed May 14, 2026
8 grouped rows from 8 quarters

More Simons positions

Common questions

Does Jim Simons own OABI?

Yes. As of Q1 2026, Jim Simons disclosed 270K shares of OABI, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy OABI?

Jim Simons first disclosed a OABI position in Q2 2023; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell OABI?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in OABI. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of OABI does Jim Simons own?

Jim Simons disclosed 270K shares of OABI as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for OABI?

Jim Simons began building the OABI position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.