MARSHALL WACE, LLP GLSI — GREENWICH LIFESC

Ownership history in MARSHALL WACE, LLP  ·  9 quarters on record

AI Ownership Summary

MARSHALL WACE, LLP reported GREENWICH LIFESC (GLSI) in 9 quarterly 13F filings from 2025 Q2 through 2026 Q1. The latest visible filing shows GLSI at 0.00% 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 GLSI ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was MARSHALL WACE, LLP's position in GREENWICH LIFESC, 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

GLSI was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2026 Q1

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

Time in book
Holding Window
2025 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.

GLSI stock page MARSHALL WACE, LLP fund profile MARSHALL WACE, LLP full holdings
How MARSHALL WACE, LLP held GLSI — position size vs. price
% of Fund (quarterly)    GLSI price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 3 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 25,658 -6,393 -19.9% 0.00% $616K 2026-05-15 $27.21
2025 Q3 REDUCED 42.9% +149.1% ❌ 32,051 -24,091 -42.9% 0.00% $319K 2025-11-14 (Est.) $8.32
2025 Q2 ADDED — — — 56,142 +13,111 +30.5% 0.00% $509K 2025-08-14 (Est.) $12.08
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding GLSI

As of 2026 Q1 — sorted by position size

Informed Momentum Co LLC 3Y 7Y 0.06% Ancora Advisors LLC 3Y 7Y 0.02% NFSG Corp 3Y 0.01% STRS OHIO 3Y 7Y 0.0% STATE OF WISCONSIN INVESTMENT BOARD 3Y 7Y 0.0% Russell Investments Group, Ltd. 3Y 7Y 0.0% Tower Research Capital LLC (TRC) 3Y 7Y 0.0% SEI INVESTMENTS CO 3Y 7Y 0.0% Nuveen, LLC 0.0% Police & Firemen's Retirement System of New Jersey 0.0%

FAQ About MARSHALL WACE, LLP and GLSI

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

How long has MARSHALL WACE, LLP reported owning GLSI?

MARSHALL WACE, LLP reported GLSI across 3 quarterly 13F filings, from 2025 Q2 through 2026 Q1.

What was the largest reported GLSI position in MARSHALL WACE, LLP's portfolio?

The largest reported portfolio weight for GLSI was 0.00% in 2026 Q1.

What is the latest reported GLSI position on this page?

The most recent filing on this page is 2026 Q1, when MARSHALL WACE, LLP reported 25,658 shares, equal to 0.00% of portfolio, with an estimated market value of $616K.

What does the chart on this GLSI ownership page compare?

The chart compares MARSHALL WACE, LLP's quarterly GLSI 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 MARSHALL WACE, LLP time their GLSI position?

Based on 13F filing dates vs. subsequent GLSI price moves, MARSHALL WACE, LLP correctly timed 3 out of 8 reported position changes (38%). The annualised alpha on GLSI relative to SPY over the holding period was +25.1%.

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