JANE STREET GROUP, LLC SGMO — SANGAMO BIOSCIENCES INC

Ownership history in JANE STREET GROUP, LLC  ·  70 quarters on record

AI Ownership Summary

JANE STREET GROUP, LLC reported SANGAMO BIOSCIENCES INC (SGMO) in 70 quarterly 13F filings from 2024 Q1 through 2026 Q2. The latest visible filing shows SGMO 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 SGMO ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was JANE STREET GROUP, LLC's position in SANGAMO 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 Q2

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

High-water mark
Peak Conviction
0.0% in 2025 Q3

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 Q2

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.

SGMO stock page JANE STREET GROUP, LLC fund profile JANE STREET GROUP, LLC full holdings
How JANE STREET GROUP, LLC held SGMO — position size vs. price
% of Fund (quarterly)
📋 Quarterly Holdings History 20 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 244,300 -121,300 -33.2% 0.00% $13K 2026-08-14 $0.13
2026 Q2 ADDED — — — 365,600 +129,400 +54.8% 0.00% $20K 2026-08-14 $0.13
2026 Q1 REDUCED — — — 236,200 -81,600 -25.7% 0.00% $58K 2026-05-12 $0.14
2026 Q1 REDUCED — — — 317,800 -2,600,327 -89.1% 0.00% $78K 2026-05-12 $0.14
2025 Q4 ADDED — — — 2,918,127 +2,876,027 +6831.4% 0.00% $1.2M 2026-02-12 $0.38
2025 Q4 REDUCED — — — 42,100 -43,500 -50.8% 0.00% $18K 2026-02-12 $0.38
2025 Q4 REDUCED — — — 85,600 -2,115,085 -96.1% 0.00% $36K 2026-02-12 $0.38
2025 Q3 ADDED — — — 2,200,685 +2,152,485 +4465.7% 0.00% $1.5M 2025-11-14 $0.44
2025 Q3 REDUCED — — — 48,200 -40,300 -45.5% 0.00% $32K 2025-11-14 $0.44
2025 Q2 ADDED — — — 88,500 +33,100 +59.7% 0.00% $48K 2025-08-14 $0.54
2025 Q1 ADDED — — — 55,400 +1,600 +3.0% 0.00% $36K 2025-05-14 $0.44
2025 Q1 REDUCED — — — 53,800 -99,133 -64.8% 0.00% $35K 2025-05-14 $0.44
2024 Q4 ADDED — — — 152,933 +53,233 +53.4% 0.00% $156K 2025-02-14 $1.17
2024 Q4 ADDED — — — 99,700 +22,100 +28.5% 0.00% $102K 2025-02-14 $1.17
2024 Q4 REDUCED — — — 77,600 -246,260 -76.0% 0.00% $79K 2025-02-14 $1.17
2024 Q3 ADDED — — — 323,860 +302,360 +1406.3% 0.00% $280K 2024-11-15 $2.05
2024 Q3 ADDED — — — 21,500 +6,300 +41.4% 0.00% $19K 2024-11-15 $2.05
2024 Q3 REDUCED — — — 15,200 -585,437 -97.5% 0.00% $13K 2024-11-15 $2.05
2024 Q2 ADDED — — — 600,637 +566,101 +1639.2% 0.00% $215K 2024-08-15 $0.89
2024 Q1 REDUCED — — — 34,536 -103,502 -75.0% 0.00% $23K 2024-05-16 $0.61
50 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding SGMO

As of 2026 Q2 — sorted by position size

Axiom Investment Management LLC 3Y 0.0% Heritage Investment Group, Inc. 3Y 0.0% FLOW TRADERS U.S. LLC 3Y 7Y 0.0% NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.0% SIMPLEX TRADING, LLC 3Y 7Y 0.0%

FAQ About JANE STREET GROUP, LLC and SGMO

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

How long has JANE STREET GROUP, LLC reported owning SGMO?

JANE STREET GROUP, LLC reported SGMO across 20 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported SGMO position in JANE STREET GROUP, LLC's portfolio?

The largest reported portfolio weight for SGMO was 0.00% in 2025 Q3.

What is the latest reported SGMO position on this page?

The most recent filing on this page is 2026 Q2, when JANE STREET GROUP, LLC reported 244,300 shares, equal to 0.00% of portfolio, with an estimated market value of $13K.

What does the chart on this SGMO ownership page compare?

The chart compares JANE STREET GROUP, LLC's quarterly SGMO 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 JANE STREET GROUP, LLC time their SGMO position?

Based on 13F filing dates vs. subsequent SGMO price moves, JANE STREET GROUP, LLC correctly timed 36 out of 68 reported position changes (53%). The annualised alpha on SGMO relative to SPY over the holding period was -41.8%.

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