SPHERA FUNDS MANAGEMENT LTD. SRPT — SAREPTA THERAPEUTICS INC

Ownership history in SPHERA FUNDS MANAGEMENT LTD.  ·  44 quarters on record

AI Ownership Summary

SPHERA FUNDS MANAGEMENT LTD. reported SAREPTA THERAPEUTICS INC (SRPT) in 44 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 2.5% in 2024 Q3. The latest visible filing shows SRPT at 0.61% 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 SRPT ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was SPHERA FUNDS MANAGEMENT LTD.'s position in SAREPTA THERAPEUTICS 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
2025 Q3

SRPT was reported at 0.61% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
2.5% in 2024 Q3

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

Time in book
Holding Window
2023 Q4 to 2025 Q3

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.

SRPT stock page SPHERA FUNDS MANAGEMENT LTD. fund profile SPHERA FUNDS MANAGEMENT LTD. full holdings
How SPHERA FUNDS MANAGEMENT LTD. held SRPT — position size vs. price
% of Fund (quarterly)    SRPT price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 12 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 5.9% +13.2% ❌ 150,000 -9,323 -5.9% 0.61% $2.9M 2025-11-14 $18.81
2025 Q2 ADDED — — — 159,323 +9,323 +6.2% 0.64% $2.7M 2025-08-14 $20.30
2025 Q2 REDUCED 5.0% +10.1% ❌ 150,000 -7,931 -5.0% 0.60% $2.6M 2025-08-14 $20.30
2025 Q1 ADDED — — — 157,931 +59,010 +59.7% 2.32% $10.1M 2025-05-15 $35.27
2024 Q4 ADDED — — — 98,921 +97,921 +9792.1% 2.17% $12.0M 2025-02-14 $107.95
2024 Q3 REDUCED 99.2% -3.0% ✅ 1,000 -124,846 -99.2% 0.02% $125K 2024-11-14 $109.11
2024 Q3 ADDED — — — 125,846 +110,846 +739.0% 2.50% $15.7M 2024-11-14 $109.11
2024 Q2 REDUCED 82.1% -21.0% ✅ 15,000 -68,659 -82.1% 0.32% $2.4M 2024-08-14 $133.08
2024 Q2 ADDED — — — 83,659 +28,045 +50.4% 1.80% $13.2M 2024-08-14 $133.08
2024 Q1 ADDED — — — 55,614 +29,214 +110.7% 1.01% $7.2M 2024-05-15 $132.50
2023 Q4 ADDED — — — 26,400 +13,900 +111.2% 0.41% $2.5M 2024-02-14 $124.30
2023 Q4 REDUCED 75.0% +33.1% ❌ 12,500 -37,500 -75.0% 0.19% $1.2M 2024-02-14 $124.30
32 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding SRPT

As of 2026 Q1 — sorted by position size

Generali Investments CEE, investicni spolecnost, a.s. 0.19% Bayforest Capital Ltd 0.17% HARBOR CAPITAL ADVISORS, INC. 3Y 0.14% Aberdeen Group plc 3Y 7Y 0.08% QUATTRO FINANCIAL ADVISORS LLC 3Y 7Y 0.07% PROFUND ADVISORS LLC 3Y 7Y 0.06% HIGHLAND CAPITAL MANAGEMENT, LLC 3Y 7Y 0.05% China Universal Asset Management Co., Ltd. 3Y 0.04% Y-Intercept (Hong Kong) Ltd 3Y 0.04% Linden Thomas Advisory Services, LLC 3Y 0.02%

FAQ About SPHERA FUNDS MANAGEMENT LTD. and SRPT

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

How long has SPHERA FUNDS MANAGEMENT LTD. reported owning SRPT?

SPHERA FUNDS MANAGEMENT LTD. reported SRPT across 12 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported SRPT position in SPHERA FUNDS MANAGEMENT LTD.'s portfolio?

The largest reported portfolio weight for SRPT was 2.50% in 2024 Q3.

What is the latest reported SRPT position on this page?

The most recent filing on this page is 2025 Q3, when SPHERA FUNDS MANAGEMENT LTD. reported 150,000 shares, equal to 0.61% of portfolio, with an estimated market value of $2.9M.

What does the chart on this SRPT ownership page compare?

The chart compares SPHERA FUNDS MANAGEMENT LTD.'s quarterly SRPT 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 SPHERA FUNDS MANAGEMENT LTD. time their SRPT position?

Based on 13F filing dates vs. subsequent SRPT price moves, SPHERA FUNDS MANAGEMENT LTD. correctly timed 19 out of 42 reported position changes (45%). The annualised alpha on SRPT relative to SPY over the holding period was -20.8%.

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