CenterBook Partners LP AGIO — AGIOS PHARMACEUTICALS INC

Ownership history in CenterBook Partners LP  ·  6 quarters on record

AI Ownership Summary

CenterBook Partners LP reported AGIOS PHARMACEUTICALS INC (AGIO) in 6 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 0.67% in 2024 Q2. The latest visible filing shows AGIO at 0.03% 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.

What this AGIO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was CenterBook Partners LP's position in AGIOS PHARMACEUTICALS INC, 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

AGIO was reported at 0.03% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.67% in 2024 Q2

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

Time in book
Holding Window
2024 Q2 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.

AGIO stock page CenterBook Partners LP fund profile CenterBook Partners LP full holdings
How CenterBook Partners LP held AGIO — position size vs. price
% of Fund (quarterly)    AGIO price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 17,445 -225,618 -92.8% 0.03% $590K 2026-05-05 $27.21
2025 Q2 ADDED — — — 243,063 +134,554 +124.0% 0.45% $8.1M 2025-08-12 $35.38
2025 Q1 REDUCED 64.5% +13.5% ❌ 108,509 -197,090 -64.5% 0.20% $3.2M 2025-05-09 $27.32
2024 Q4 ADDED — — — 305,599 +151,511 +98.3% 0.60% $10.0M 2025-02-13 $33.30
2024 Q3 REDUCED 38.2% -25.7% ✅ 154,088 -95,223 -38.2% 0.42% $6.8M 2024-11-14 $55.40
2024 Q2 INITIATED — — — 249,311 — — 0.67% $10.8M 2024-08-12 $44.74

🏢 Other funds also holding AGIO

As of 2026 Q1 — sorted by position size

Lynx1 Capital Management LP 3Y 13.96% Ground Swell Capital, LLC 3Y 7Y 0.56% PSP Research LLC 0.36% HARBOR CAPITAL ADVISORS, INC. 3Y 0.12% Bayforest Capital Ltd 0.11% PROFUND ADVISORS LLC 3Y 7Y 0.06% OAK RIDGE INVESTMENTS LLC 3Y 7Y 0.06% Inspire Investing, LLC 3Y 7Y 0.04% Inscription Capital, LLC 3Y 0.03% China Universal Asset Management Co., Ltd. 3Y 0.03%

FAQ About CenterBook Partners LP and AGIO

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

How long has CenterBook Partners LP reported owning AGIO?

CenterBook Partners LP reported AGIO across 6 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported AGIO position in CenterBook Partners LP's portfolio?

The largest reported portfolio weight for AGIO was 0.67% in 2024 Q2.

What is the latest reported AGIO position on this page?

The most recent filing on this page is 2026 Q1, when CenterBook Partners LP reported 17,445 shares, equal to 0.03% of portfolio, with an estimated market value of $590K.

What does the chart on this AGIO ownership page compare?

The chart compares CenterBook Partners LP's quarterly AGIO 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 CenterBook Partners LP time their AGIO position?

Based on 13F filing dates vs. subsequent AGIO price moves, CenterBook Partners LP correctly timed 2 out of 5 reported position changes (40%). The annualised alpha on AGIO relative to SPY over the holding period was -35.2%.

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