Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record · archived quarter

APLS

Apellis Pharmaceuticals, Inc. · Healthcare · Biotechnology

41.03 0.0% mkt cap $5.25B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024
11Tracked holders
-2Δ holders
24.93MShares held
$545.30MReported value
+1New positions
−3Exits
Falling Conviction score 37/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -15.4% · share flow +4.7% · net new positions -18.2%formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q1 2026 99 +3 79.10M $3.12B +14 −12
Q4 2025 97 +1 73.39M $1.84B +2
Q3 2025 19 +1 50.24M $1.14B +1 −1
Q2 2025 16 +2 43.69M $756.24M +2
Q1 2025 11 -2 24.93M $545.30M +1 −3
Q4 2024 13 +2 23.82M $760.24M +3 −1
Q3 2024 10 +2 20.37M $587.46M +2
Q2 2024 8 21.17M $811.69M
Holder count
Who holds it · Q1 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 Wellington Management 12.30M +4.3% $269.07M 0.1% ▲ Add 4 SEC ↗
2 Wellington Management 12.30M +4.3% $269.07M 0.1% ▲ Add 4 SEC ↗
3 Wellington Management 12.30M +4.3% $269.07M 0.1% ▲ Add 4 SEC ↗
4 Wellington Management 12.30M +4.3% $269.07M 0.1% ▲ Add 4 SEC ↗
5 Wellington Management 12.30M +4.3% $269.07M 0.1% ▲ Add 4 SEC ↗
6 AQR Capital Management 4.08M +119.6% $89.17M 0.1% ▲ Add 4 SEC ↗
7 AQR Capital Management 4.08M +119.6% $89.17M 0.1% ▲ Add 4 SEC ↗
8 AQR Capital Management 4.08M +119.6% $89.17M 0.1% ▲ Add 4 SEC ↗
9 AQR Capital Management 4.08M +119.6% $89.17M 0.1% ▲ Add 4 SEC ↗
10 AQR Capital Management 4.08M +119.6% $89.17M 0.1% ▲ Add 4 SEC ↗
11 State Street Global Advisors (passive) 3.94M -12.9% $86.20M 0.0% ▼ Trim 2 SEC ↗
12 Geode Capital Management (passive) 1.95M +6.0% $42.66M 0.0% ▲ Add 4 SEC ↗
13 Geode Capital Management (passive) 1.95M +6.0% $42.66M 0.0% ▲ Add 4 SEC ↗
14 Norges Bank (passive) 1.57M +44.9% $34.41M 0.0% ▲ Add 4 SEC ↗
15 Millennium Management 451.97K -21.5% $9.88M 0.0% ▼ Trim 4 SEC ↗
16 Two Sigma Investments 262.90K New $5.75M 0.0% New 1 SEC ↗
17 Citadel Advisors 224.10K +99.3% $4.90M 0.0% ▲ Add 4 SEC ↗
18 Citadel Advisors 224.10K +99.3% $4.90M 0.0% ▲ Add 4 SEC ↗
19 T. Rowe Price 90.70K -74.7% $1.98M 0.0% ▼ Trim 4 SEC ↗
20 Gotham Asset Management 34.28K +41.1% $749,813 0.0% ▲ Add 2 SEC ↗
21 Marshall Wace 23.57K -72.4% $515,563 0.0% ▼ Trim 3 SEC ↗

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

New buyers

Two Sigma Investments $5.75M 0.0%

Exited

Point72 Asset Management $40.46M was 0.1%
Renaissance Technologies $8.68M was 0.0%
D. E. Shaw & Co. $638,200 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 320 holders, 137.95M shares, $5.43B 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.

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: Q1 2025 · Methodology · Get this via the API