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Security record · archived quarter

ACOG

name pending profile ingest

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025
4Tracked holders
+3Δ holders
98.98KShares held
$923,521Reported value
+3New 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 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 11 +1 572.29K $4.13M +1 —
Q1 2026 10 -1 560.57K $3.08M +2 −3
Q4 2025 11 -1 708.95K $4.61M +1 −2
Q3 2025 5 0 125.02K $813,892 +1 −1
Q2 2025 4 +3 98.98K $923,521 +3 —
Holder count
Who holds it · Q2 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 Marshall Wace ✦ 64.33K New $600,152 0.0% New 1 SEC ↗
2 Millennium Management ✦ 17.22K New $160,700 0.0% New 1 SEC ↗
3 Geode Capital Management ✦ (passive) 11.99K New $111,885 0.0% New 1 SEC ↗
4 BlackRock ✦ (passive) 5.44K — $50,784 0.0% n/c 1 SEC ↗ ×2

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

New buyers

Marshall Wace $600,152 0.0%
Millennium Management $160,700 0.0%
Geode Capital Management $111,885 0.0%

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 25 holders, 10.53M shares, $57.82M 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)

Oct 01 Opaleye Management Inc.

10% owner · 19.05K sh @ 8.69 · $165,634

Sep 25 Opaleye Management Inc.

10% owner · 13.43K sh @ 8.47 · $113,718

Sep 24 Opaleye Management Inc.

10% owner · 18.34K sh @ 8.57 · $157,082

Sep 16 Opaleye Management Inc.

10% owner · 27.14K sh @ 8.40 · $227,984

Sep 16 Opaleye Management Inc.

10% owner · 53.03K sh @ 8.57 · $454,607

Sep 15 Opaleye Management Inc.

10% owner · 3.38K sh @ 8.54 · $28,831

Sep 14 Opaleye Management Inc.

10% owner · 40.37K sh @ 8.70 · $351,084

Aug 21 Wills Robert James

Director · 10.00K sh @ 9.62 · $96,200

Open-market sales (S)

No open-market insider sales in our coverage window.

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

Beneficial ownership
Sep 23 SC 13G — MANCHESTER MANAGEMENT CO LLC

View original SEC filing ↗

Jul 24 SC 13G/A — Opaleye Management Inc.

View original SEC filing ↗

Jun 29 SC 13G/A — Opaleye Management Inc.

View original SEC filing ↗

May 22 SC 13G/A — Opaleye Management Inc.

View original SEC filing ↗

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 2025 · Methodology · Get this via the API