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Security record · archived quarter

ANTX

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
7Tracked holders
Δ holders
2.82MShares held
$6.05MReported value
+0New positions
−0Exits
How these are computed → Explain this at the Research Desk →

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 39 +14 10.46M $50.64M +20 −6
Q1 2026 25 +2 7.93M $27.13M +6 −4
Q4 2025 23 +1 4.23M $4.82M +1
Q3 2025 9 +1 2.56M $3.25M +1
Q2 2025 7 -1 2.34M $2.48M +1 −2
Q1 2025 6 -1 2.10M $2.86M −1
Q4 2024 7 +1 1.88M $2.60M +1
Q3 2024 5 -2 1.53M $1.64M −2
Q2 2024 7 2.82M $6.05M
Holder count
Who holds it · Q2 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 Citadel Advisors 1.55M $3.34M 0.0% n/c 1 SEC ↗
2 Millennium Management 526.35K $1.13M 0.0% n/c 1 SEC ↗
3 Adage Capital Partners 312.62K $672,122 0.0% n/c 1 SEC ↗
4 Geode Capital Management (passive) 180.92K $389,098 0.0% n/c 1 SEC ↗
5 Geode Capital Management (passive) 180.92K $389,098 0.0% n/c 1 SEC ↗
6 Two Sigma Investments 132.09K $283,989 0.0% n/c 1 SEC ↗
7 Marshall Wace 96.11K $206,639 0.0% n/c 1 SEC ↗
8 Renaissance Technologies 14.30K $30,745 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 52 holders, 21.89M shares, $74.66M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 17 Readnour Robin Shane

Director · 16.70K sh · $100,313

Aug 17 Readnour Robin Shane

Director · 18.71K sh · $112,389

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2024 · Methodology · Get this via the API