TLS Advisors LLC OABI — OMNIAB INC REG SHS COM

Ownership history in TLS Advisors LLC  ·  12 quarters on record

AI Ownership Summary

TLS Advisors LLC reported OMNIAB INC REG SHS COM (OABI) in 12 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 5.12% in 2023 Q4. The latest visible filing shows OABI at 0.93% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this OABI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was TLS Advisors LLC's position in OMNIAB INC REG SHS COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

OABI was reported at 0.93% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
5.12% in 2023 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

OABI stock page TLS Advisors LLC fund profile TLS Advisors LLC full holdings
How TLS Advisors LLC held OABI — position size vs. price
% of Fund (quarterly)    OABI price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED — — — 250,185 +180,185 +257.4% 0.93% $393 2026-05-13 $2.01
2025 Q4 REDUCED 72.0% -15.1% ✅ 70,000 -180,185 -72.0% 0.36% $137K 2026-02-04 $1.74
2025 Q3 UNCHANGED — — — 250,185 — 0% 1.13% $388K 2025-11-04 $1.48
2025 Q2 UNCHANGED — — — 250,185 — 0% 1.36% $435K 2025-08-13 $2.05
2025 Q1 UNCHANGED — — — 250,185 — 0% 1.35% $600K 2025-05-12 $1.43
2024 Q4 UNCHANGED — — — 250,185 — 0% 2.03% $886K 2025-02-12 $3.57
2024 Q3 UNCHANGED — — — 250,185 — 0% 2.24% $1.1M 2024-11-12 $4.49
2024 Q2 UNCHANGED — — — 250,185 — 0% 2.35% $938K 2024-08-07 $4.06
2024 Q1 UNCHANGED — — — 250,185 — 0% 3.16% $1.4M 2024-05-07 $4.59
2023 Q4 UNCHANGED — — — 250,185 — 0% 5.12% $1.5M 2024-02-14 $5.48
2 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding OABI

As of 2026 Q1 — sorted by position size

Whitefort Capital Management, LP 3Y 6.59% TOWERVIEW LLC 3Y 7Y 1.01% CADIAN CAPITAL MANAGEMENT, LP 3Y 7Y 0.79% RICE HALL JAMES & ASSOCIATES, LLC 3Y 7Y 0.22% Arbiter Partners Capital Management LLC 3Y 7Y 0.17% ISTHMUS PARTNERS, LLC 3Y 7Y 0.12% PRIVATE MANAGEMENT GROUP INC 3Y 7Y 0.11% Stonepine Capital Management, LLC 3Y 7Y 0.1% ADAR1 Capital Management, LLC 0.07% Cornerstone Capital, Inc. 3Y 7Y 0.02%

FAQ About TLS Advisors LLC and OABI

These are the practical questions this page is built to answer before you even open the full history table.

How long has TLS Advisors LLC reported owning OABI?

TLS Advisors LLC reported OABI across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported OABI position in TLS Advisors LLC's portfolio?

The largest reported portfolio weight for OABI was 5.12% in 2023 Q4.

What is the latest reported OABI position on this page?

The most recent filing on this page is 2026 Q1, when TLS Advisors LLC reported 250,185 shares, equal to 0.93% of portfolio, with an estimated market value of $393.

What does the chart on this OABI ownership page compare?

The chart compares TLS Advisors LLC's quarterly OABI portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did TLS Advisors LLC time their OABI position?

Based on 13F filing dates vs. subsequent OABI price moves, TLS Advisors LLC correctly timed 1 out of 3 reported position changes (33%). The annualised alpha on OABI relative to SPY over the holding period was -41.3%.

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