NORTHWEST BIOTHERAPEUTICS IN

Ticker: NWBO CUSIP: 66737P600 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

Note: Option positions (PUT/CALL) are excluded.

Q1 2016
Shares 109,559 Value ($000) $160 Avg Close $1.97 Range $1.28 - $3.18
Q4 2015
Shares 86,698 Value ($000) $277 Avg Close $4.81 Range $3.08 - $6.90
Q3 2015
Shares 85,191 Value ($000) $532 Avg Close $9.35 Range $5.85 - $12.55
Q2 2015
Shares 85,491 Value ($000) $849 Avg Close $8.76 Range $7.05 - $10.79
Q1 2015
Shares 79,775 Value ($000) $588 Avg Close $6.73 Range $5.25 - $8.76
Q4 2014
Shares 71,175 Value ($000) $381 Avg Close $5.12 Range $3.79 - $6.15
Q3 2014
Shares 65,272 Value ($000) $328 Avg Close $6.14 Range $4.98 - $7.52
Q2 2014
Shares 64,900 Value ($000) $435 Avg Close $6.36 Range $4.87 - $9.35