PLATINUM INVESTMENT MANAGEMENT LTD AURA — AURA BIOSCIENCES INC

Ownership history in PLATINUM INVESTMENT MANAGEMENT LTD  ·  10 quarters on record

AI Ownership Summary

PLATINUM INVESTMENT MANAGEMENT LTD reported AURA BIOSCIENCES INC (AURA) in 10 quarterly 13F filings from 2024 Q1 through 2026 Q1. Peak portfolio weight reached 0.19% in 2026 Q1. The latest visible filing shows AURA at 0.19% 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 AURA ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was PLATINUM INVESTMENT MANAGEMENT LTD's position in AURA BIOSCIENCES 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

AURA was reported at 0.19% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.19% 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
2024 Q1 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.

AURA stock page PLATINUM INVESTMENT MANAGEMENT LTD fund profile PLATINUM INVESTMENT MANAGEMENT LTD full holdings
How PLATINUM INVESTMENT MANAGEMENT LTD held AURA — position size vs. price
% of Fund (quarterly)    AURA price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED — — — 111,865 — 0% 0.19% $748K 2026-05-14 $7.98
2025 Q4 REDUCED 17.4% +22.8% ❌ 111,865 -23,537 -17.4% 0.14% $610K 2026-02-13 $5.57
2025 Q3 UNCHANGED — — — 135,402 — 0% 0.05% $837K 2025-11-13 $5.53
2025 Q2 REDUCED 16.6% -1.4% ✅ 135,402 -26,956 -16.6% 0.06% $848K 2025-07-21 $6.77
2025 Q1 UNCHANGED — — — 162,358 — 0% 0.06% $951K 2025-05-15 $5.18
2024 Q4 UNCHANGED — — — 162,358 — 0% 0.08% $1.3M 2025-02-11 $7.73
2024 Q3 UNCHANGED — — — 162,358 — 0% 0.07% $1.4M 2024-11-08 $10.88
2024 Q2 REDUCED 9.9% +17.9% ❌ 162,358 -17,787 -9.9% 0.05% $1.2M 2024-08-13 $8.15
2024 Q1 UNCHANGED — — — 180,145 — 0% 0.06% $1.4M 2024-05-13 $7.18
1 older quarter hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding AURA

As of 2026 Q1 — sorted by position size

Matrix Capital Management Company, LP 3Y 7Y 100.0% B Group, Inc. 2.96% Medicxi Ventures Management (Jersey) Ltd 3Y 2.07% Regency Capital Management Inc.\DE 3Y 1.59% ACORN CAPITAL ADVISORS, LLC 1.13% Frazier Life Sciences Management, L.P. 3Y 0.88% Long Focus Capital Management, LLC 3Y 0.81% SUVRETTA CAPITAL MANAGEMENT, LLC 3Y 7Y 0.75% Nantahala Capital Management, LLC 3Y 7Y 0.52% LEVIN CAPITAL STRATEGIES, L.P. 3Y 7Y 0.48%

FAQ About PLATINUM INVESTMENT MANAGEMENT LTD and AURA

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

How long has PLATINUM INVESTMENT MANAGEMENT LTD reported owning AURA?

PLATINUM INVESTMENT MANAGEMENT LTD reported AURA across 9 quarterly 13F filings, from 2024 Q1 through 2026 Q1.

What was the largest reported AURA position in PLATINUM INVESTMENT MANAGEMENT LTD's portfolio?

The largest reported portfolio weight for AURA was 0.19% in 2026 Q1.

What is the latest reported AURA position on this page?

The most recent filing on this page is 2026 Q1, when PLATINUM INVESTMENT MANAGEMENT LTD reported 111,865 shares, equal to 0.19% of portfolio, with an estimated market value of $748K.

What does the chart on this AURA ownership page compare?

The chart compares PLATINUM INVESTMENT MANAGEMENT LTD's quarterly AURA 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 PLATINUM INVESTMENT MANAGEMENT LTD time their AURA position?

Based on 13F filing dates vs. subsequent AURA price moves, PLATINUM INVESTMENT MANAGEMENT LTD correctly timed 1 out of 4 reported position changes (25%). The annualised alpha on AURA relative to SPY over the holding period was -18.0%.

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